KABUSHIKI KAISHA TOSHIBA patent applications published on September 21st, 2023

STRESS SCORE CALCULATION APPARATUS, METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM (17940028)

Abstract

According to one embodiment, a stress score calculation apparatus includes a memory and a processing circuit. The memory stores reference information which includes a reference value and/or a reference range pertaining to an action taken by a subject and/or a condition of an environment in which the subject is located that causes the subject an appropriate level of stress. The processing circuit acquires subject information which includes at least one of action information pertaining to the action taken by the subject and environment information pertaining to the environment in which the subject is located. The processing circuit calculates a score pertaining to a degree of stress experienced by the subject, based on a comparison between the subject information and the reference information.

Inventor

Mami SAITO

ULTRASONIC WELDING DIAGNOSTIC METHOD, JOINING METHOD OF WELDING MEMBER, AND INSPECTION DEVICE (17897567)

Abstract

An ultrasonic welding diagnostic method includes: applying a pressing force to an object to be joined so as to generate a surface pressure on a joint surface of the object to be joined; inputting ultrasonic waves to the joint surface; detecting an elastic wave propagating through the object to be joined by at least one sensor at a plurality of different positions; analyzing a signal detected by the sensor to generate an envelope of the signal and calculating information about the envelope; and determining a joint state on the joint surface based on the calculation result of the information.

Inventor

Takashi USUI

TUNGSTEN OXIDE POWDER SLURRY, METHOD OF PRODUCING THE SAME, AND METHOD OF PRODUCING AN ELECTROCHROMIC DEVICE USING THE SAME (18322730)

Abstract

According to one embodiment, provided is a tungsten oxide powder slurry in which a tungsten oxide powder and an aqueous solvent are mixed. Dis 20 nm to 10000 nm and Dis 100000 nm or less in a particle size cumulative graph of the tungsten oxide powder in the slurry. According to X-ray diffraction, a half-value width of a most intense peak detected at 29°±1° is 2° or less.

Inventor

Daisuke FUKUSHI

ADHESION/PEELING METHOD, AND ADHESION/PEELING DEVICE (17929431)

Abstract

An adhesion/peeling method according to an embodiment includes adhering a first surface side of an electrically peelable adhesive sheet to a predetermined position of a fixation target object, wherein the electrically peelable adhesive sheet is formed of an electro-peeling adhesive having adhesiveness on the first surface side and a second surface side thereof, and the adhesiveness of the electro-peeling adhesive is lowered due to an input of a voltage; adhering a first electrode of an adherend including the first electrode formed of a conductor to the second surface side of the electrically peelable adhesive sheet; containing a liquid at the predetermined position of the fixation target object to temporarily form a second electrode with conductivity on a surface of the fixation target object; and inputting a predetermined voltage between the first electrode and the second electrode to peel of the electrically peelable adhesive sheet from the fixation target object.

Inventor

Takashi USUI

CARBON DIOXIDE ELECTROLYTIC DEVICE AND METHOD OF CONTROLLING CARBON DIOXIDE ELECTROLYTIC DEVICE (17821828)

Abstract

A carbon dioxide electrolytic device includes: a carbon dioxide electrolysis cell having a cathode and an anode flow path, a cathode, an anode, and a first diaphragm; a first current regulator to supply a first current; a first gas/liquid separator to separate a first fluid from the anode flow path into a first liquid and gas; an electrodialysis cell having, first and second electrodes, first to fourth rooms, and second to fourth diaphragms; a second current regulator to supply a second current; at least one detector out of a first detector to detect a flow rate of the first gas or a concentration of carbon dioxide in the first gas, and a second detector to detect a pH or a concentration of at least one ion in the first fluid; and a first controller to regulate a second current, in accordance with at least one detection signal.

Inventor

Yasuhiro KIYOTA

CONDITION MONITORING APPARATUS, METHOD, AND STORAGE MEDIUM (17942275)

Abstract

According to one embodiment, a condition monitoring apparatus includes a processing circuitry. The processing circuitry is configured to collect a sensor signal output from a sensor that monitors a condition of a mechanical device that is at least partially mobile. The processing circuitry is configured to diagnose a presence or absence of an anomaly in the mechanical device based on the sensor signal. The processing circuitry is configured to cut out the sensor signal in a time width according to any one or more of a speed, an acceleration, and a jerk of the mechanical device. The processing circuitry is configured to determine the presence or absence of an anomaly based on the cut out sensor signal.

Inventor

Takashi SUDO

GAS DETECTION DEVICE AND GAS DETECTION METHOD (18168764)

Abstract

A gas detection device according to an embodiment includes a first irradiation part configured to irradiate a first light having a first wavelength on a gas released into a space, a second irradiation part configured to irradiate, on the gas, a second light having a second wavelength that is less than the first wavelength, an irradiation position adjustment part configured to control an irradiation position of the first light on the gas, a gas analysis part configured to analyze a component of the gas based on the first light having passed through the gas, and a gas visualization part configured to visualize a concentration distribution of the gas based on the second light having passed through the gas. The irradiation position adjustment part controls the irradiation position of the first light on the gas based on the visualized concentration distribution of the gas.

Inventor

Yasutomo SHIOMI

GAS DETECTION DEVICE (18168838)

Abstract

A gas detection device according to an embodiment includes a first light source irradiating infrared, a second light source irradiating visible light, a low-pass filter that transmits the infrared irradiated from the first light source, reflects the visible light irradiated from the second light source, and aligns an optical axis of the visible light with an optical axis of the infrared, a first retroreflector on which the infrared and the visible light having the aligned optical axes are incident, a first detecting part detecting the infrared reflected by the first retroreflector, and a scattering body located at a center of the first retroreflector.

Inventor

Masatoshi HIRONO

METHOD OF ANALYZING ANTIMONY ION, INSPECTION TOOL USED FOR ANALYZING PENTAVALENT ANTIMONY ION, AND INSPECTION TOOL USED FOR ANALYZING ANTIMONY ION ACCORDING TO ITS VALENCE (17887582)

Abstract

A method of analyzing an antimony ion of an embodiment, the method includes using a first analysis solution or a second analysis solution, the first analysis solution containing trivalent antimony ions and pentavalent antimony ions, the second analysis solution being a solution obtained by mixing a first acid and the first analysis solution, and mixing the first analysis solution or the second analysis solution with a second acid to obtain a third analysis solution in which the pentavalent antimony ions are chlorinated and which contains [SbCl] ions, mixing the third analysis solution and a first organic solvent and phase-separating the mixture into a fourth analysis solution as an organic phase and an aqueous phase to obtain the fourth analysis solution, mixing the fourth analysis solution and a coloring liquid containing rhodamine B to obtain a fifth analysis solution, and evaluating a concentration of the pentavalent antimony ions in the first analysis solution from color of the fifth analysis solution. A total concentration of nitric acid, cerium (IV) nitrate, and cerium (IV) sulfate contained in the first analysis solution is 0.00 mol/L or more and 0.1 mol/L or less. The total concentration of nitric acid, cerium (IV) nitrate, and cerium (IV) sulfate contained in the first acid is 0.00 mol/L or more and 0.1 mol/L or less. The total concentration of nitric acid, cerium (IV) nitrate, and cerium (IV) sulfate contained in the second acid is 0.00 mol/L or more and 0.1 mol/L or less.

Inventor

Mitsuhiro OKI

CHEMICAL SENSOR DEVICE AND METHOD FOR DETECTING TARGET SUBSTANCE (17939603)

Abstract

Embodiments provide a chemical sensor device that is a chemical sensor using a nucleic acid compound and a specific blocking agent and can detect a target substance with high sensitivity, and a method for detecting a target substance.

Inventor

Yoshiaki SUGIZAKI

SPARK DISCHARGE DETECTION DEVICE AND SPARK DISCHARGE DETECTION METHOD (17931171)

Abstract

A spark discharge detection device includes a discharge detector, a waveform extension circuit, and determination circuit. The discharge detector includes a metal electrode that detects discharge between an electrode and a sliding body that is in contact with and sliding surface of the electrode. The waveform extension circuit configured to extend a discharge waveform output from the discharge detector in a time direction. The determination circuit configured to determine that discharge has occurred in the sliding body when a signal value exceeds a first threshold and a time during which the signal value exceeds the first threshold is held for a time longer than a first time for the output of the waveform extension circuit.

Inventor

Yasuhiro KANEKIYO

LiDAR DEVICE AND CONTROL METHOD FOR LiDAR DEVICE (18176914)

Abstract

A LiDAR device according to an embodiment includes a rotating mirror having reflective surfaces, first/second light emitters each emitting light toward the rotating mirror, and first/second light receivers each receiving light reflected by the rotating mirror and converting the received light into an electrical signal. The first light emitter emits light in an orientation where an upper section of a distance measurement range is scanned. The second light emitter emits light in an orientation where a lower section of the distance measurement range is scanned. The first light receiver is provided at a position where light emitted by the first light emitter and reflected at the distance measurement range is received via the rotating mirror. The second light receiver is provided at a position where light emitted by the second light emitter and reflected at the distance measurement range is received via the rotating mirror.

Inventor

Masatoshi HIRONO

DISTANCE MEASURING DEVICE AND DISTANCE MEASURING METHOD (17930727)

Abstract

A distance measuring device has a plurality of light receiving elements each of which receives a reflected optical signal reflected by an object, and an image processor that generates a distance image in accordance with distances to the object, based on signal intensities and light reception timings of the reflected optical signal received by the plurality of light receiving elements, wherein the image processor detects a direction of the object, based on at least either the signal intensities of the reflected optical signal received by the light receiving elements or the distances to the object measured based on the reflected optical signal, and divides at least one or some of pixels included in the distance image, based on the direction of the detected object.

Inventor

Satoshi KONDO

LIGHT DETECTION DEVICE, LIGHT DETECTION SYSTEM, LIDAR DEVICE, MOBILE BODY, INSPECTION METHOD, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE (17823596)

Abstract

According to one embodiment, a light detection device includes a first region, a second region, a first electrode, and a second electrode. The first region includes a plurality of first semiconductor light detection elements, and a plurality of first lenses respectively located on the plurality of first semiconductor light detection elements. The second region includes a plurality of second semiconductor light detection elements. No lens is located directly above the plurality of second semiconductor light detection elements. The first electrode is electrically connected with the plurality of first semiconductor light detection elements. The second electrode is electrically connected with the plurality of second semiconductor light detection elements.

Inventor

Kazuaki OKAMOTO

PHOTOMASK, METHOD FOR MANUFACTURING LENS, AND METHOD FOR MANUFACTURING PHOTODETECTOR (17822766)

Abstract

According to one embodiment, a photomask includes a plurality of unit regions arranged in a first direction and a second direction crossing the first direction. Each of the unit regions includes a first region having a first light-shielding rate, and a second region having a second light-shielding rate different from the first light-shielding rate. The second region is provided around the first region. The unit regions include a first unit region and a second unit region having same size each other. A distance between the first unit region and a center of a range in which the unit regions are arranged is different from a distance between the second unit region and the center. A light-shielding rate of the first unit region is different from a light-shielding rate of the second unit region.

Inventor

Honam KWON

ELECTRONIC CIRCUITRY (17903714)

Abstract

In one embodiment, electronic circuitry comprises a first circuit capable of transmitting and receiving signals, a second circuit capable of transmitting and receiving signals, and an insulation element. The first circuit has a first terminal to which a first clock signal is input, increases the frequency of the first clock signal to generate a second clock signal, and transmits the second clock signal. The insulation element transmits the second clock signal obtained from the first circuit to the second circuit as a third clock signal. The second circuit receives the third clock signal from the insulation element, and transmits a first data signal in response to the third clock signal. The insulation element transmits the first data signal obtained from the second circuit as a second data signal. The first circuit receives the second data signal from the insulation element.

Inventor

Kaili WANG

ACOUSTIC CONTROL APPARATUS, STORAGE MEDIUM, AND METHOD (17823333)

Abstract

An acoustic control apparatus includes a processor with hardware. The processor calculates a first relational expression between acoustic filter coefficients of acoustic filters to be applied to voice signals containing information of sounds played back by two or more sound sources, based on an amplification magnification in a sound amplification control point with respect to the sounds played back by the two or more sound sources, and on transfer functions between the sound amplification control point and the two or more sound sources. The processor calculates a second relational expression between the acoustic filter coefficients, based on information of a frequency of the voice signals, and on an interval between the two or more sound sources. The processor calculates the acoustic filter coefficients based on the first relational expression and the second relational expression.

Inventor

Akihiko ENAMITO

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND INFORMATION PROCESSING SYSTEM (17822920)

Abstract

An information processing device is disclosed. In the information processing device, a derivation unit derives, for each of sensors, a constraint expression obtained by substituting an observation value for a term of an observation value variable in an error model. The observation value indicates the number of present objects observed by the sensors. The error model represents correspondence between: the number of present objects in an observation range represented by the observation value variable and an error term related to an assumed detection error range of the sensor, and the number of present objects in an observation range represented by a variable indicating the number of present objects in an observation unit space. A range calculation unit calculates a possible range of the number of present objects. A reliability calculation unit calculates reliability of an estimation value of the number of present objects for each of the areas.

Inventor

Arika FUKUSHIMA

LEARNING APPARATUS, METHOD AND INFERENCE SYSTEM (17823775)

Abstract

According to one embodiment, a learning apparatus includes a processor. The processor divides target data into pieces of partial data. The processor inputs the pieces of partial data into a first network model to output a first prediction result and calculates a first confidence indicating a degree of contribution to the first prediction result. The processor inputs the target data into a second network model to output a second prediction result and calculates a second confidence indicating a degree of contribution to the second prediction result. The processor updates a parameter of the first network model, based on the first prediction result, the second prediction result, the first confidence and the second confidence.

Inventor

Atsushi YAGUCHI

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND INFORMATION PROCESSING SYSTEM (17823281)

Abstract

According to an embodiment, an information processing device includes a reception unit and a determination unit. The reception unit receives a plurality of pieces of rack data including first identification information of one or more kinds of products to be housed in a plurality of racks, and a plurality of pieces of order data including second identification information of one or more kinds of products to be picked from at least part of the plurality of racks. The determination unit, based on the rack data, determines a processing sequence of the plurality of pieces of order data such that a ratio of picking products assigned to pieces of the order data from a single rack is increased. The plurality of racks are able to be moved to a work station where housing containers corresponding to at least part of the plurality of pieces of order data are disposed.

Inventor

Hideyuki AISU

APPEARANCE INSPECTION SYSTEM AND APPEARANCE INSPECTION METHOD (17902758)

Abstract

According to one embodiment, an inspection system includes an infrared imaging device and a controller. The infrared imaging device is for acquiring an image of a thermocompression-bonded tape package with infrared light. The tape package comprises a first tape covering a second tape. The second tape can have a pocket for an electronic component. The controller is configured to receive the image of the thermocompression-bonded tape package and detect a state of thermocompression bonding in a predetermined region of the tape package based on the received image. For example, the inspection system may detect when the bonding of the first tape to the second tape is unsatisfactory or abnormal.

Inventor

Ikuo MOTONAGA

INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD (18183450)

Abstract

In an embodiment, an information processing apparatus relating to soldering of a component onto a substrate is provided. The information processing apparatus includes a determination unit determining, using a machine learning model that outputs an inspection result of a post-reflow inspection from an input of image data based on one or more pre-reflow images, whether or not defectiveness will occur in the post-reflow inspection from the image data based on the pre-reflow images acquired in real time.

Inventor

Hideo Nishiuchi

ANALYSIS APPARATUS, METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM (17930781)

Abstract

According to one embodiment, an analysis apparatus includes processing circuitry. The processing circuitry acquires sensor data from a measurement target, calculates a state value based on the sensor data, sets, based on time-series data of the state value and predetermined criteria, a plurality of noticed sections in the time-series data, performs clustering using the state value regarding each of the noticed sections and generates a clustering result, and generates, based on the clustering result, stress information including characteristic information of each of a plurality of clusters.

Inventor

Tsukasa IKE

VOICE ACTIVITY DETECTION APPARATUS, LEARNING APPARATUS, AND STORAGE MEDIUM (17820878)

Abstract

According to one embodiment, a voice activity detection apparatus includes a processing circuit. The processing circuit acquires an acoustic signal and a non-acoustic signal, calculates an acoustic feature based on the acoustic signal, calculates a non-acoustic feature based on the non-acoustic signal, calculates a voice emphasized feature based on the acoustic signal and the non-acoustic signal, calculates a voice existence/non-existence feature on the basis of the acoustic feature and the non-acoustic feature, calculates a voice existence score based on the voice emphasized feature and the voice existence/non-existence feature, detects a voice section and/or a non-voice section based on comparison of the voice existence score with a threshold.

Inventor

Uihyun KIM

INFORMATION PROCESSING DEVICE, MAGNETIC RECORDING AND REPRODUCING DEVICE, AND MAGNETIC RECORDING AND REPRODUCING SYSTEM (17822753)

Abstract

According to one embodiment, an information processing device includes an acquisition part, and a processor. The acquisition part is configured to acquire a reproduction signal obtained from a recording part. The recording part includes a recording medium. The reproduction signal includes a first signal corresponding to information recorded in the recording medium. The processor is configured to derive a first output and a second output. The first output is obtained by first information being processed by a first processing model. The first information includes the first signal. The second output is obtained by the first information being processed by a second processing model. The processor is configured to output a result of processing the first information based on a third output. The third output is obtained based on the first output, the second output, and the first information.

Inventor

Susumu TAKEDA

MAGNETIC DISK DEVICE, RW PARAMETER ADJUSTMENT METHOD OF THE MAGNETIC DISK DEVICE AND RW PARAMETER ADJUSTMENT DEVICE (17903911)

Abstract

According to one embodiment, a read and write (RW) parameter adjustment method includes changing conditions of RW parameters to determine a capacity and characteristics for each of various heads of a test device to measure the characteristics and creating, for each of the heads, a database in which the measured characteristics are registered, and changing the conditions of the RW parameters for each of heads of a device to be adjusted to measure characteristics, searching the database created for each of the heads for a database having similar characteristics, and setting the capacity and characteristics in an appropriate balance based on the similar characteristics of the database obtained by the searching.

Inventor

Daisuke WATANABE

DISK DEVICE (17942954)

Abstract

According to one embodiment, a disk device includes a magnetic disk, a magnetic head, a flexure, a piezoelectric element, a first bonding material, a second bonding material, and a protrusion. The flexure includes a first outer surface, a first pad, and a second pad. The first pad and the second pad are on the first outer surface. The piezoelectric element includes a second outer surface, a first electrode, and a second outer surface. The first electrode and the second electrode are on the second outer surface. The first bonding material, which is conductive, bonds the first pad and the first electrode. The second bonding material, which is conductive, bonds the second pad and the second electrode. The protrusion is provided on the flexure, is located at least partially between the first bonding material and the second bonding material, and protrudes from the first outer surface.

Inventor

Shunya SETOMA

DISK DEVICE (17939724)

Abstract

According to one embodiment, a disk device includes magnetic disks, a spindle motor, and a housing. The magnetic disks are arranged in an axial direction. The spindle motor rotates the magnetic disks about a first rotation axis extending in the axial direction. The housing includes a first wall, an inner surface of the first wall, an outer surface of the first wall, and a second wall. The spindle motor is attached to the first wall. The first wall is apart from the magnetic disks in the axial direction. The second wall protrudes from the first wall and surrounds the plurality of magnetic disks in a direction orthogonal to the axial direction. In the axial direction a maximum distance between the inner surface and the outer surface is 1.5% or more and 8% or less of a maximum dimension of the housing.

Inventor

Makoto OKAMOTO

PERMANENT MAGNET, ROTARY ELECTRIC MACHINE, VEHICLE, AND AIRCRAFT (17896158)

Abstract

A permanent magnet to be provided to a rotary electric machine. The magnet is expressed by a composition formula: RFeMCuCo. R is selected from rare earth elements, M is selected from Ti, Zr, and Hf, p is a number satisfying 10.5≤p≤12.5 at %, r is a number satisfying 18≤r≤32 at %, s is a number satisfying 0.88≤s≤4.5 at %, and t is a number satisfying 0.88≤t≤13.5 at %. When a proportion rof Fe to a total sum of Fe and Co is expressed by r=r/(100−p−s−t), a value rof the proportion rat a center in a q-axis direction of the magnet and a value rof the proportion rat a center in d-axis direction of the magnet satisfy 1.01≤r/r≤2.

Inventor

Masaya HAGIWARA

SUPERCONDUCTING COIL, SUPERCONDUCTING DEVICE, AND LIQUID EPOXY RESIN COMPOSITION (17929049)

Abstract

A superconducting coil according to an embodiment includes: a winding frame; a superconducting wire wound around the winding frame and having a first region and a second region facing the first region in a coil radial direction; and a resin layer located between the first region and the second region and including particles, an epoxy resin surrounding the particles, and a region existing between the particle and the epoxy resin, the region including silane containing a phenylamino group. The average particle diameter of the particles is equal to or more than 1 μm and equal to or less than 5 μm, and the volume ratio of the particles in the resin layer is equal to or more than 50% and equal to or less than 66%.

Inventor

Mariko HAYASHI

ISOLATOR (17902516)

Abstract

An isolator includes first and second coils, a first insulating film and a primary side conductor. The first coil at a primary side and the second coil at a secondary side are magnetically coupled via the first insulating film. The second coil and the primary side conductor are provided at a front surface side of the first insulating film. The first insulating film includes a plurality of island-shaped convex portions at the front surface side. The island-shaped convex portions are provided between the second coil and the primary side conductor. The island-shaped convex portions provide a creepage distance from the second coil to the primary side conductor along the front surface of the first insulating film. The creepage distance is longer in any direction along the front surface of the first insulating film than a direct distance from the second coil to the primary side conductor.

Inventor

Akira ISHIGURO

MULTILAYER JUNCTION PHOTOELECTRIC CONVERTER AND METHOD FOR MANUFACTURING MULTILAYER JUNCTION PHOTOELECTRIC CONVERTER (18185345)

Abstract

A multilayer junction photoelectric converter and a multilayer junction photoelectric converter manufacturing method capable of preventing water from contacting a perovskite layer are provided.

Inventor

Takeshi GOTANDA

CHARGED PARTICLE BEAM PATTERN FORMING DEVICE AND CHARGED PARTICLE BEAM APPARATUS (17929826)

Abstract

A charged particle beam pattern forming device is described, a charged particle beam passing through a third aperture for forming a charged particle beam pattern, the charged particle beam pattern forming device including: a first element including a first aperture, a second element including a second aperture, the second aperture overlapping the first aperture, wherein the third aperture is defined by an overlap of the first aperture and the second aperture, and a shape of the third aperture is capable of being changed by a driver such that the first element is moved in a first direction and the second element is moved in a second direction opposite to the first direction.

Inventor

Hiroko NAKAMURA

METHOD OF MANUFACTURING STRUCTURE AND METHOD OF MANUFACTURING CAPACITOR (18183534)

Abstract

In general, according to one embodiment, there is provided a method of manufacturing a structure. The method includes forming a recess in a semiconductor substrate; oxidizing at least a bottom inner surface of the recess; and providing at least the bottom inner surface of the recess with a liquid capable of dissolving an oxide of a semiconductor substrate material.

Inventor

Mitsuo Sano

SEMICONDUCTOR MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE (17903915)

Abstract

The semiconductor manufacturing apparatus of the embodiment includes a first roller performing a first release of a release tape, the release tape having a strip-like configuration and having a first end and a second end, the release tape pasted on a protective tape pasted on a second substrate surface of a substrate, the substrate having a first substrate surface and the second substrate surface facing the first substrate surface, the second substrate surface being provided above the first substrate surface, and the first roller performing a first movement in a direction parallel to the second substrate surface from on the first end toward above a center or its vicinity of the second substrate surface; and a second roller performing a second release of the release tape, the second roller performing a second movement in a direction parallel to the second substrate surface from on the second end toward above the center or its vicinity of the second substrate surface.

Inventor

Shinsuke KOZUMI

SEMICONDUCTOR DEVICE (17902053)

Abstract

A semiconductor device of an embodiment includes a lead frame; a first bonding material; a semiconductor chip including a lower surface, an upper surface, a first electrode connected to the first bonding material, a second electrode provided on the upper surface, and electrode pads connected to the second electrode; second bonding materials provided on each of the electrode pads; and a first connector connected to at least one of the second bonding materials, wherein the second bonding material which is not connected to the first connector is not connected to a connector or a wire.

Inventor

Satoru Ikeda

SEMICONDUCTOR DEVICE (17940519)

Abstract

A semiconductor of an embodiment includes a lead frame including a first bed; a first post; a second post; a semiconductor chip provided on the first upper surface; a first bonding material provided between the first upper surface and the semiconductor chip, the first bonding material joining the first upper surface and the semiconductor chip, a first film thickness of the first bonding material portion being thinner than a second film thickness of the second bonding material portion; a first connector; a second bonding material; and a third bonding material.

Inventor

Fumiyoshi KAWASHIRO

SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE (17890554)

Abstract

A semiconductor device according to the embodiment includes: a frame body having a wall surface; an insulating substrate surrounded by the frame body, the insulating substrate having a first metal layer and a second metal layer on a surface, the second metal layer being located between the first metal layer and the wall surface; a semiconductor chip including an electrode and provided on the first metal layer; and a bonding wire having a first bond portion connected to the electrode, a second bond portion connected to the second metal layer, and an intermediate portion between the first bond portion and the second bond portion; wherein a second angle formed between a second direction in which the second bond portion extends and the wall surface is smaller than a first angle formed between a first direction in which the intermediate portion extends and the wall surface.

Inventor

Tomohiro IGUCHI

SEMICONDUCTOR DEVICE (17902778)

Abstract

According to one embodiment, a semiconductor device includes a semiconductor circuit having an electrode on a first surface. A case part surrounds the semiconductor circuit. A matching part is provided including a signal terminal on an outside of the matching part and a lead on the inside of the matching part that is electrically connected to the signal terminal. The case part and matching part are configured to engage one another and be attached to one another when pressed together. The lead includes a contact portion that is in contact with the electrode when the matching part is attached to the case part, a first portion connecting between the signal terminal and the contact portion, and a spring portion between the first portion and the contact portion.

Inventor

Shun TAKEDA

SEMICONDUCTOR DEVICE (17901668)

Abstract

A semiconductor device includes a semiconductor part, first and second electrodes and first-third and second-third electrodes. The semiconductor part is provided between the first and second electrodes. The semiconductor part includes a first semiconductor layer of a first conductivity type, second and third semiconductor layers of a second conductivity type. The second and third semiconductor layers are arranged between the first layer and the second electrode. The first-third and second-third electrodes are provided in the semiconductor part. The second semiconductor layer is provided between the first-third electrode and the second-third electrode. The second electrode includes a contact portion extending into the second semiconductor layer. The third semiconductor layer is provided on the second semiconductor layer between the contact portion and the second-third electrode. The second semiconductor layer includes a first portion facing the third semiconductor layer via the contact portion.

Inventor

Hiroko ITOKAZU

LIGHT DETECTOR, LIGHT DETECTION SYSTEM, LIDAR DEVICE, AND MOBILE BODY (17822417)

Abstract

A light detector according to one embodiment, includes an element region, a light concentrator, a structure part and a light-shielding part. The element region includes a first semiconductor region of a first conductivity type, and a second semiconductor region of a second conductivity type. The light concentrator is separated from the element region in a first direction. The light concentrator is configured to concentrate light incident on the light concentrator. The structure part is arranged with the element region in a direction crossing the first direction. The structure part has a different refractive index from the element region. The light-shielding part is located between the element region and the light concentrator. The light-shielding part includes an opening. At least a portion of the light incident on the light concentrator is able to be incident on the element region by passing through the opening.

Inventor

Ryomo KANEKO

SEMICONDUCTOR DEVICE (17939998)

Abstract

A semiconductor device includes a semiconductor substrate of a first conductivity type; a semiconductor layer located on the semiconductor substrate, the semiconductor layer being of the first conductivity type and including a first device part; a buried layer located between the semiconductor substrate and the first device part, the buried layer being of a second conductivity type; a guard region located at a first-direction side of the first device part, the guard region being of the second conductivity type, a lower end of the guard region contacting the buried layer, an upper end of the guard region reaching an upper surface of the semiconductor layer, the guard region not being located at a second-direction side of the first device part, the second direction being opposite to the first direction; and a first semiconductor region located inside the first device part and being of the second conductivity type.

Inventor

Kanako KOMATSU

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME (17890041)

Abstract

A semiconductor device includes a semiconductor part including a first semiconductor layer of a first conductivity type and a second semiconductor layer of a second conductivity type. The second semiconductor layer is provided in the first semiconductor layer. The semiconductor part includes first and second interfaces of the first semiconductor layer and the second semiconductor layer. The first interface intersects the second interface. The second semiconductor layer includes a plurality of sub-layers stacked in a direction orthogonal to the first interface. The second interface includes interfaces of the sub-layers of the second semiconductor layer and the first semiconductor layer. The second interface extending in a second direction inclined with respect to a first direction orthogonal to the first interface.

Inventor

Shunsuke ASABA

SEMICONDUCTOR DEVICE (17864163)

Abstract

According to one embodiment, a semiconductor device includes first and second electrodes, first to fifth semiconductor regions, and a gate electrode. The first semiconductor region is located on the first electrode. The first semiconductor region includes a first region. The gate electrode is located on the first semiconductor region with a gate insulating layer interposed. The second semiconductor region faces the gate electrode via the gate insulating layer in a second direction perpendicular to a first direction. The third semiconductor region is located between the first and second semiconductor regions. A length in the second direction of a lower portion of the third semiconductor region is greater than a length in the second direction of an upper portion of the third semiconductor region. The fourth semiconductor region is located between the third semiconductor region and the gate electrode. The fifth semiconductor region is located on the second semiconductor region.

Inventor

Katsuhisa TANAKA

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME (17901714)

Abstract

A semiconductor device includes a first electrode, a first semiconductor layer of a first conductivity type on the first electrode, a first pillar of a second conductivity type on the first semiconductor layer, the first pillar having a first average concentration of impurities, a second pillar of the first conductivity type on the first semiconductor layer, and including a first layer having a second average concentration of impurities lower than the first average concentration, and a second layer having a third average concentration of impurities higher than the first average concentration, a second semiconductor layer of the second conductivity type on the second pillar, a third semiconductor layer of the first conductivity type on the second semiconductor layer, a second electrode connected to the first pillar and the third semiconductor layer, a third electrode, and an insulating film disposed between the second semiconductor layer and the third electrode.

Inventor

Makoto MIZUKAMI

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE, INVERTER CIRCUIT, DRIVING DEVICE, VEHICLE, AND ELEVATOR (17822970)

Abstract

Provided is a method for manufacturing a semiconductor device, the method including: performing first ion implantation ion-implanting a p-type impurity into a silicon carbide layer; performing second ion implantation ion-implanting carbon (C) into the silicon carbide layer; performing a first heat treatment activating the p-type impurity; performing a first oxidation treatment oxidizing the silicon carbide layer; performing an etching treatment etching the silicon carbide layer in an atmosphere containing hydrogen gas; forming a first metal film containing at least one metal element selected from the group consisting of nickel, palladium, platinum, and chromium; performing a second heat treatment causing the silicon carbide layer to react with the first metal film to form a metal silicide layer containing the at least one metal element; and forming a second metal film having a chemical composition different from a chemical composition of the first metal film.

Inventor

Tatsuo SHIMIZU

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING (17900433)

Abstract

A semiconductor device includes a first electrode, a plurality of unit element regions, and a partitioning region. Each of the unit element regions includes a first semiconductor part, a second electrode, and a first conductive part. The first semiconductor part includes first to third semiconductor regions. The first semiconductor region is located above the first electrode. The second semiconductor region is located on the first semiconductor region. The third semiconductor region is located on the second semiconductor region. The second electrode is located on the second and third semiconductor regions. The first conductive part faces the second semiconductor region via a first insulating film. At least a portion of the plurality of unit element regions includes a common pattern. The partitioning region includes a second semiconductor part and partitions the plurality of unit element regions. The second semiconductor part is continuous with the first semiconductor part.

Inventor

Tatsuya NISHIWAKI

SEMICONDUCTOR CHIP AND SEMICONDUCTOR DEVICE (17902246)

Abstract

A semiconductor chip includes a semiconductor substrate, a plurality of first wirings extending in a first direction parallel to the upper surface of the semiconductor substrate and disposed entirely above the upper surface of the semiconductor substrate, a second wiring disposed between two of the first wirings that are adjacent to each other and entirely below the upper surface of the semiconductor substrate such that an upper surface of the second wiring is below a lower surface of the two first wirings, and a first insulating film provided on the second wiring and spaced apart from the two first wirings in a second direction that is perpendicular to the first direction, the first insulating film having an upper surface that is above the lower surface of the two first wirings.

Inventor

Kazuki MINAMIKAWA

SEMICONDUCTOR DEVICE (17940476)

Abstract

A semiconductor device includes first to second electrodes, and first to fifth semiconductor regions. The second semiconductor region is located on the first semiconductor region and is of the first conductivity type. The third semiconductor region is located on a portion of the second semiconductor region and is of the first conductivity type. The third semiconductor region has a higher first-conductivity-type impurity concentration than the second semiconductor region. The fourth semiconductor region is located on the second and third semiconductor regions and is of a second conductivity type. The fifth semiconductor region is located on a portion of the fourth semiconductor region and is of the second conductivity type. The fifth semiconductor region has a higher second-conductivity-type impurity concentration than the fourth semiconductor region. At least a portion of the fifth semiconductor region is positioned above at least a portion of the third semiconductor region.

Inventor

Shoko HANAGATA

SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, INVERTER CIRCUIT, DRIVE DEVICE, VEHICLE, AND ELEVATOR (17823995)

Abstract

A semiconductor device of embodiments includes: a silicon carbide layer having a first face and a second face; a trench in the silicon carbide layer extending in a first direction; a gate electrode disposed in the trench; a first silicon carbide region of n-type; a second silicon carbide region of p-type between the first silicon carbide region and the first face being shallower than the trench; a third silicon carbide region of n-type disposed between the second silicon carbide region and the first face; a fourth silicon carbide region of n-type disposed between the third silicon carbide region and the first face, a width of the fourth silicon carbide region in a second direction perpendicular to the first direction being smaller than a width of the third silicon carbide region in the second direction; and a first electrode in contact with the fourth silicon carbide region.

Inventor

Shinichi KIMOTO

SEMICONDUCTOR DEVICE, INVERTER CIRCUIT, DRIVE DEVICE, VEHICLE, AND ELEVATOR (17900993)

Abstract

A semiconductor device of embodiments includes: a silicon carbide layer having a first face parallel to a first direction and a second direction crossing the first direction and a second face facing the first face; a first trench on a side of the first face extending in the first direction; a second trench extending in the first direction; a third trench extending in the second direction and continuous with the first trench and the second trench; a fourth trench extending in the first direction, disposed between the first trench and the second trench, and spaced from the third trench in the first direction; a gate electrode in the first to fourth trench; a gate insulating layer; a first conductive layer crossing the third trench and connected to the gate electrode; a first electrode disposed on the first face; and a second electrode disposed on the second face.

Inventor

Shinichi KIMOTO

SEMICONDUCTOR DEVICE (17881089)

Abstract

A semiconductor device includes a first electrode, a first semiconductor layer, a second semiconductor layer, a third semiconductor layer, a fourth semiconductor layer, a fifth semiconductor layer, and a second electrode. The fourth semiconductor layer is located in a second region on the first semiconductor layer. The fourth semiconductor layer is separated from the second semiconductor layer with a portion of the first semiconductor layer interposed. An impurity concentration of the fourth semiconductor layer is greater than an impurity concentration of the first semiconductor layer and less than an impurity concentration of the second semiconductor layer.

Inventor

Kei TANIHIRA

SEMICONDUCTOR DEVICE (17890489)

Abstract

A semiconductor device includes first, second and control electrodes, and a semiconductor part between the first and second electrode. The semiconductor part includes first and third layers of a first conductive type, and second, fourth and fifth layers of a second conductive type. The first layer extends between the first and second electrodes. The second layer is provided between the first layer and the second electrode. The third layer is partially provided on the second layer between the second layer and the second electrode. A first fourth layer and a second fourth layer are provided in the first layer. The fifth layer is provided between the first layer and the second layer. The fifth layer is partially provided on the first layer between the first fourth layer and the second fourth layer. The control electrode is provided between the second electrode and each of the fourth layers.

Inventor

Shunsuke ASABA

ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE (17823699)

Abstract

In general, according to one embodiment, an active material including particles containing a niobium-containing oxide is provided. The particles containing the niobium-containing oxide contain single particles having protruded parts and recessed parts. Three or more of the recessed parts satisfy 0.1≤a/L≤0.5 (1). Where L is a length of a tangent line in contact with a first protruded part and a second protruded part, and a is a maximum length of a perpendicular line from the tangent line to a recessed part defined by the first protruded part and the second protruded part.

Inventor

Yasuhiro HARADA

ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE (17823818)

Abstract

According to one embodiment, provided is an electrode including an active material-containing layer that includes an active material, inorganic solid particles having lithium ion conductivity, and a carbon material. The active material-containing layer has a first peak corresponding to a maximum log differential intrusion in a log differential intrusion distribution curve according to mercury porosimetry. A pore size diameter Dat the first peak is 0.05 μm to 10 μm. A first pore volume corresponding to the first peak is 20% to 50% with respect to a total pore volume within the active material-containing layer. A ratio of a second pore volume in a range of 0.005 μm to 0.02 μm relative to the first pore volume is 0.1% to 5%.

Inventor

Hirofumi Yasumiishi

SECONDARY BATTERY, BATTERY PACK, AND VEHICLE (17822193)

Abstract

In general, according to one embodiment, a secondary battery includes a positive electrode and a nonaqueous electrolyte. The positive electrode includes a sulfur-containing layer provided on at least a part of a positive electrode active material-containing layer. The nonaqueous electrolyte includes a sulfur-containing compound consisting of at least one of a sulfur-containing imide compound or a sultone compound, or consisting of at least one of a sulfur-containing imide compound, a sultone compound or a propanesulfonic acid ester. The secondary battery satisfies 1×10≤E/A≤9×10. A denotes a mass of sulfur atoms per unit volume (g/m) of the sulfur-containing layer. E denotes a concentration (mol/L) of the sulfur-containing compound in the nonaqueous electrolyte.

Inventor

Yuiko KOITABASHI

CHARGE CONTROL METHOD, CHARGE CONTROL APPARATUS, AND BATTERY-MOUNTED EQUIPMENT (17822752)

Abstract

In general, according to one embodiment, a charge control method includes acquiring a measured temperature of a lithium ion battery, acquiring a threshold value for stopping charging of the lithium ion battery according to the measured temperature of the lithium ion battery based on a relationship between a cycle life and a charging capacity of the lithium ion battery for each temperature of the lithium ion battery, and, charging the lithium ion battery based on the threshold value.

Inventor

Yasuhiro HARADA

AIR BATTERY (17823651)

Abstract

According to one embodiment, provided is an air battery including a negative electrode, an air electrode to which oxygen is supplied, a solid electrolyte layer positioned between the negative electrode and the air electrode, an aqueous electrolyte layer positioned between the solid electrolyte layer and the air electrode, and a proton conduction layer positioned between the aqueous electrolyte layer and the air electrode. The aqueous electrolyte layer includes an aqueous electrolyte including a polyprotic acid having two or more carboxyl groups, an electrolyte salt, and water.

Inventor

Kakuya UEDA

POWER CONDITIONING SYSTEM AND POWER GRID OPERATIONAL SYSTEM (17823743)

Abstract

A power conditioning system includes a control circuit. The control circuit is configured to switch a output control mode to any one of a first mode in which an operation not based on inertia is executed and a second mode in which an operation based on inertia is executed, performs output control according to a first rating in the first mode, and performs output control according to a second rating different from the first rating in the second mode.

Inventor

Tetsu SHIJO

ELECTRONIC CIRCUITRY AND ELECTRONIC SYSTEM (17942535)

Abstract

In one embodiment, electronic circuitry includes a driving circuit that is configured to: supply a driving current to a control terminal of a first switching element; and increase the driving current in accordance with a first time at which a current flowing through a second switching element connected to a first terminal or a second terminal of the first switching element becomes 0.

Inventor

Shusuke KAWAI

ELECTRONIC CIRCUITRY (17903908)

Abstract

According to one embodiment, electronic circuitry includes a transmission circuit to output a waveform including a plurality of pulse waveforms in response to an input signal. The pulse waveforms include a first transmit pulse waveform, and a second transmit pulse waveform following the first transmit pulse waveform, and the first transmit pulse waveform is larger in amplitude than the second transmit pulse waveform.

Inventor

Hiroaki ISHIHARA

ANALOG SWITCH CIRCUIT (17897845)

Abstract

An analog switch circuit of an embodiment includes a CMOS analog switch, a first gate drive circuit, and a second gate drive circuit, a gate operating withstand voltage of the CMOS analog switch being VGT, an enable signal and a control signal being inputted to the first gate drive circuit and the second gate drive circuit. Assuming that VGT<VSH≤(2×VGT), in a case where the enable signal is 0, the second gate drive circuit outputs a signal of voltage (VSH/2) to a gate terminal of a PMOS when the control signal is 0, and the first gate drive circuit outputs a signal of voltage (VSH/2) to a gate terminal of an NMOS when the control signal is 1.

Inventor

Shigeo IMAI

SEMICONDUCTOR DEVICE AND METHOD FOR CONTROLLING SEMICONDUCTOR DEVICE (18168156)

Abstract

According to one embodiment, a semiconductor device includes an n-layer and a p-layer arranged in a vertical trench structure in a drift layer. A depletion layer is formed to a depth of a trench of the vertical trench structure after a depletion layer spreads in a lateral direction between the n-layer and the p-layer when a voltage is applied between a drain and a source. A method for controlling the semiconductor device comprises detecting a voltage value between the drain and the source of the semiconductor device at turn-off and reducing a current value of a gate discharge current discharged from a gate in a first period. The first period starting before the detected voltage value greatly changes.

Inventor

Takenori YASUZUMI

INTEGRATED CIRCUIT (17892980)

Abstract

An integrated circuit of an embodiment includes a plurality of AD conversion circuits including a first AD conversion circuit and a second AD conversion circuit, and a control circuit configured to delay a start time of sampling processing of the second AD conversion circuit as compared with a usual start time such that the first AD conversion circuit is not influenced by noise generated by the sampling processing of the second AD conversion circuit, and to shorten a sampling time period to control a termination time of the sampling processing of the second AD conversion circuit to be concurrent with a termination time in a case of performing usual sampling processing.

Inventor

Yoshimitsu SHIMOJO

KEY MANAGEMENT DEVICE, QUANTUM CRYPTOGRAPHY COMMUNICATION SYSTEM, AND PROGRAM (17821545)

Abstract

A key management device according to an embodiment is for managing an application key used for encrypting communication of a user network including cryptographic applications. The key management device includes a plan acquisition unit, a plan execution unit, a communication unit, and a provision unit. The plan acquisition unit acquires a key distribution plan formulated based on state information indicating a state of the user network. The plan execution unit determines a distribution amount of the application key for each key sharing destination corresponding to a destination cryptographic application based on the key distribution plan. The communication unit encrypts the application key using a link key generated by QKD, and transmits the encrypted application key to the key sharing destination. The provision unit provides the application key in response to a request from the cryptographic application.

Inventor

Yu YU

KEY MANAGEMENT DEVICE, QUANTUM CRYPTOGRAPHY COMMUNICATION SYSTEM, AND COMPUTER PROGRAM PRODUCT (17898902)

Abstract

A key management device according to an embodiment is a key management device managing an application key for encrypting a communication in an application network including a plurality of applications. The key management device includes a hardware processor configured to function as a collection unit, a calculation unit, a determination unit, and a communication unit. The collection unit collects, using quantum key distribution (QKD), resource information indicating a resource of a link for which a link key is generated. The calculation unit calculates metric for a key relay route including the link on the basis of the resource information. The determination unit determines a key relay route from among a plurality of key relay routes on the basis of the metric. The communication unit uses the key relay route determined by the determination unit to send, to a destination, an application key encrypted with the link key.

Inventor

Yu YU

QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM, KEY MANAGEMENT DEVICE, AND KEY MANAGEMENT METHOD (17899233)

Abstract

According to an embodiment, a quantum cryptographic communication system includes a first quantum key distribution (QKD) device, and a first key management device. The first QKD device that shares a quantum encryption key with a second QKD device through QKD. The first key management device includes a reception unit and a first hardware security module (HSM). The reception unit receives the quantum encryption key from the first QKD device. The first HSM includes a storage unit, a generation unit, and a first encryption unit. The storage unit stores a first encryption key therein. The generation unit generates an application key used in an encryption process by a cryptographic application. The first encryption unit that encrypts, with the first encryption key, the application key transmitted to a second key management device connected to the second QKD device.

Inventor

Kazuaki DOI

DATA PROTECTION APPARATUS, ELECTRONIC APPARATUS, METHOD, AND STORAGE MEDIUM (17903291)

Abstract

According to one embodiment, a data protection apparatus includes a processor configured to execute an encryption process on log data including a data frame including a plurality of pieces of data generated along a time sequence. The processor is configured to encrypt each of the pieces of data with a corresponding encryption key among a first initial key and a first encryption keys generated in a forward direction to a time sequence of the pieces of data. The processor is configured to encrypt each of a plurality of pieces of data encrypted with the corresponding encryption key with a corresponding encryption key among a second initial key and a second encryption keys generated in a backward direction to a time sequence of the pieces of data.

Inventor

Mikio HASHIMOTO

ELECTRONIC CIRCUITRY AND METHOD (17903665)

Abstract

According to one embodiment, electronic circuitry includes: transmitting circuitry to output a first waveform including N pulse waveforms (N is a natural number larger than 1) in response to an input signal; transfer circuitry to transfer the first waveform as a second waveform that includes at least N+1 pulse waveforms, via electromagnetic coupling; and receiving circuitry configured to receive the second waveform and determine the input signal based on the at least N+1 pulse waveforms.

Inventor

Hiroaki ISHIHARA

SOUND EMITTING APPARATUS (17822197)

Abstract

According to an embodiment, a sound emitting apparatus includes a vibrator, a holding part, and a fixing part. The holding part is configured to hold the vibrator. The fixing part is configured to fix the holding part. A stiffness of the fixing part is lower than a stiffness of the holding part.

Inventor

Toshiki TAKAYASU

COMMUNICATION SYSTEM, TRANSMITTER DEVICE, AND RECEIVER DEVICE (17939499)

Abstract

According to one embodiment, a communication system comprises a transmitter device and receiver devices. The transmitter device transmits data and identification information. The identification information comprises first information indicative of a communication mode and second information indicative of a receiver device of a transmission destination data. Each of the receiver devices determines whether the receiver device receives the data based on at least a part of the second information.

Inventor

Taewon KIM