Murata Manufacturing Co., Ltd. patent applications on September 12th, 2024
Patent Applications by Murata Manufacturing Co., Ltd. on September 12th, 2024
Murata Manufacturing Co., Ltd.: 27 patent applications
Murata Manufacturing Co., Ltd. has applied for patents in the areas of H01G4/30 (5), H01F27/32 (5), H01G4/232 (3), H01G4/012 (3), H01F27/29 (3) H01F27/2828 (3), H01G4/012 (2), A61B5/4205 (1), H01M50/461 (1), H03H9/25 (1)
With keywords such as: portion, layer, surface, body, electrode, main, direction, wiring, element, and metal in patent application abstracts.
Patent Applications by Murata Manufacturing Co., Ltd.
Inventor(s): Kenta SUZUKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takayoshi OBATA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Tomoki OUCHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Koji TANAKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): A61B5/00, A61B5/11
CPC Code(s): A61B5/4205
Abstract: a laryngeal elevation measurement device is provided that includes first and second displacement sensors and a control unit. the first displacement sensor is attachable to a neck of a test subject. the second displacement sensor attachable to a site that is part of the neck of the test subject and that is located at a predetermined distance from the first displacement sensor. the control unit acquires the displacement amounts of the first and second displacement sensors. the control unit estimates positional changes of the laryngeal prominence of the test subject based on changes over time in the displacement amount of the first displacement sensor and changes over time in the displacement amount of the second displacement sensor, and the predetermined distance. the control unit outputs a result of estimation.
Inventor(s): Kenji KORESAWA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yusuke SUZUKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Junichi NOMURA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Tomoaki MATSUSHITA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Akio FUJITA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kazuhiko FUJII of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): B06B1/06, H10N30/06, H10N30/853, H10N30/87, H10N30/88
CPC Code(s): B06B1/0644
Abstract: a case, a piezoelectric vibrator, and a wire are provided. the case has a bottomed cylindrical shape, the case including a bottom portion and a side wall portion. the piezoelectric vibrator includes piezoelectric ceramic containing ti and zr, and is attached to the bottom portion inside the case. the wire is connected to the piezoelectric vibrator and extends to an outside of the case. a resonance frequency in a spreading vibration mode of the piezoelectric ceramic not attached to the bottom portion becomes minimum at a temperature in a range of about −30� c. or higher and about 10� c. or lower. a cross-sectional porosity in any longitudinal cross section of the piezoelectric ceramic is about 1% or less.
Inventor(s): Ville-Pekka RYTKÖNEN of Klaukkala (FI) for murata manufacturing co., ltd., Matti LIUKKU of Helsinki (FI) for murata manufacturing co., ltd., Anssi BLOMQVIST of Helsinki (FI) for murata manufacturing co., ltd.
IPC Code(s): B81B3/00, G01P15/08, G01P15/125
CPC Code(s): B81B3/0062
Abstract: a microelectromechanical accelerometer is provided that includes one or more proof masses. the accelerometer also includes four sets of stator combs that form a set of four measurement capacitors together with rotor combs. some rotor combs have a positive offset in a direction in the device plane in relation to stator, while others have a negative offset. some rotor combs have a negative offset in a direction perpendicular to the device plane in relation to stator combs. moreover, some stator combs have a negative offset in the direction perpendicular to the device plane in relation to rotor combs.
Inventor(s): Jun URAKAWA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yasutaka SUGIMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Taichi WATANABE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): C03C10/00
CPC Code(s): C03C10/0027
Abstract: a glass-ceramic containing: glass containing si, b, al, and zn; crystal phases of sio, znalo, and alo; and an aggregate, wherein, with respect to a weight of the glass-ceramic, a content of the glass is 45% by weight to 80% by weight and, as the aggregate, a content of siois 20% by weight to 50% by weight, a content of alois 20% by weight or less, and a content of zno is 10% by weight or less.
20240302105. THERMAL DIFFUSION DEVICE_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Tatsuhiro NUMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Tsuyoshi MUKAI of Nagaokako-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): F28D15/02, H05K7/20
CPC Code(s): F28D15/0266
Abstract: a thermal diffusion device that includes: a housing including a first inner wall surface and a second inner wall surface facing each other in a thickness direction; a working medium sealed in an inner space of the housing; and a wick structure in the inner space of the housing, the wick structure including a supporting portion in contact with the first inner wall surface and a portion having holes composed of a same material as the supporting portion and integral with the supporting portion.
20240304363. ELECTRONIC COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Tomoya OOSHIMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yuuta HOSHINO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Koichi YAMADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kojiro TOKIEDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Miki SASAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01C7/04, H01C1/148, H01G4/008, H01G4/012, H01G4/30
CPC Code(s): H01C7/044
Abstract: an electronic component that includes: a base body; a glass film covering an outer surface of the base body; and an external electrode on an outer surface of the glass film and having at least an underlayer electrode, wherein the glass film includes: a base portion containing silicon oxide and an oxide of one or more metal elements of an alkali metal and an alkaline earth metal; and a specific portion containing silicon oxide and an oxide of a same metal element as that of the base portion, and wherein a content ratio of the same metal element in the specific portion is smaller than a content ratio of the one or more metal elements in the base portion.
20240304367. MULTILAYER COIL COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Makoto YAMAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Masayuki OISHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F1/36, H01F5/04
CPC Code(s): H01F1/36
Abstract: a multilayer coil component includes a multilayer body composed of a plurality of laminated insulating layers; a coil composed of a plurality of coil conductors laminated together with the insulating layers, embedded in the multilayer body, and electrically connected; and outer electrodes provided on an outer surface of the multilayer body and electrically connected to the coil. an inorganic material layer is provided in at least part of the interfaces between the insulating layers and the coil conductors. the inorganic material layer includes an inorganic material and a metal material different from the inorganic material. in the inorganic material layer, the metal material is present between particles of the inorganic material or in/between porous bodies made of the inorganic material.
20240304373. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshimasa YOSHIOKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenji TOYOSHIMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Katsufumi SASAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/28, H01F27/02, H01F27/29, H01F27/32
CPC Code(s): H01F27/2828
Abstract: an inductor component includes an element body, an inductor wiring, and a plurality of columnar wirings. the element body has a planar main surface. the inductor wiring extends parallel to the main surface in the element body. the plurality of columnar wirings extend in a direction intersecting with the main surface. the inductor wiring includes a pair of pad portions which are positioned at both end portions of the inductor wiring, and to which the columnar wiring is connected, and a wiring main body which connects the pair of pad portions to each other. when viewed through in a direction orthogonal to the main surface, one or more selected from the plurality of columnar wirings are connected to the inductor wiring at a location that does not overlap a center line of the inductor wiring.
20240304374. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshimasa YOSHIOKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenji TOYOSHIMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Katsufumi SASAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/28, H01F27/00, H01F27/02, H01F27/29, H01F27/32
CPC Code(s): H01F27/2828
Abstract: an inductor component includes an element body, an inductor wiring, and columnar wirings. the inductor wiring extends parallel to a planar main surface in the element body. the columnar wirings extend in a direction intersecting with the main surface. the inductor wiring includes a pair of pad portions at both end portions of the inductor wiring, and to which the columnar wiring is connected, and a wiring main body which connects the pair of pad portions to each other. the wiring main body includes a maximum point where a cross-sectional area of a cross section orthogonal to a center line of the wiring main body is the maximum and a minimum point where the cross-sectional area of the cross section orthogonal to the center line is the minimum. the cross-sectional area at the maximum point is two or more times greater than the cross-sectional area at the minimum point.
20240304375. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshimasa YOSHIOKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenji TOYOSHIMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Katsufumi SASAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/28, H01F1/08, H01F27/02, H01F27/32
CPC Code(s): H01F27/2828
Abstract: an inductor component includes a rectangular parallelepiped element body having a main surface, an inductor wiring, and columnar wirings. the inductor wiring includes a pair of pad portions and a wiring main body that connects the pair of pad portions to each other. when the element body is viewed through in a direction orthogonal to the main surface, a specific pad portion, which is one of the pair of pad portions, is adjacent to an outer edge of the main surface without other parts of the inductor wiring therebetween. in addition, when the element body is viewed through in the direction orthogonal to the main surface, among four corner portions of the main surface, the corner portion closest to the specific pad portion is defined as a specific corner portion.
20240304377. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshimasa YOSHIOKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenji TOYOSHIMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Katsufumi SASAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/29, H01F17/00, H01F27/32
CPC Code(s): H01F27/292
Abstract: an inductor component includes a rectangular parallelepiped element body containing a magnetic material and having a planar main surface, an inductor wiring, and a plurality of columnar wirings. the main surface has a straight side. the inductor wiring includes a pair of pad portions and a wiring main body. the wiring main body has a parallel part extending parallel to the straight side and adjacent to the side without interposing other parts of the inductor wiring therebetween. a dimension in a direction orthogonal to a center line of the wiring main body and parallel to the main surface in the wiring main body is a width dimension, and a shortest distance from the side to the parallel part when viewed through in a direction orthogonal to the main surface is defined as a specific distance. the specific distance is less than the width dimension of the parallel part.
20240304379. MULTILAYER COIL COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Masayuki OISHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Makoto YAMAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/32, H01F17/00
CPC Code(s): H01F27/323
Abstract: a multilayer coil component includes a multilayer body composed of a plurality of laminated insulating layers; a coil composed of a plurality of coil conductors laminated together with the insulating layers, embedded in the multilayer body, and electrically connected; and outer electrodes provided on an outer surface of the multilayer body and electrically connected to the coil. an inorganic material layer is provided in at least part of the interfaces between the insulating layers and the coil conductors. the inorganic material layer includes a porous body made of an inorganic material.
20240304387. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kotaro KISHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/012, H01G4/232, H01G4/30
CPC Code(s): H01G4/012
Abstract: in a multilayer ceramic capacitor, when defining a length in the length direction between a first and a second end surface of a multilayer body as l, defining a length in the width direction between a first and a second lateral surface of the multilayer body as w, and defining a length in the height direction between a first and a second main surface of the multilayer body as t, a dimensional relationship of w>l>t is satisfied, the fourth surface portion, the fifth surface portion, the ninth surface portion, and the tenth surface portion of a first external electrode include an opening portion at which a surface of the multilayer body is exposed, and the fourth surface portion, the ninth surface portion, the fifth surface portion, and the tenth surface portion include a protrusion that protrudes toward a center in the length direction.
20240304388. ELECTRONIC COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Shinichi YAMAGUCHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shoichiro SUZUKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/012, H01G4/008, H01G4/30
CPC Code(s): H01G4/012
Abstract: an electronic component includes a multilayer body in which a dielectric layer having a thickness of about 0.8 �m or more and about 4.1 �m or less and an inner electrode layer having a thickness of about 0.5 �m or more and about 1.2 �m or less are alternately stacked, the number of each of the dielectric layer and the inner electrode layer being 200 or more and 650 or less. a solid solution layer in which a first metal component defines a solid solution with a second metal component is at an interface between the inner electrode layer and the dielectric layer, and including a central solid solution layer located about 10 �m or more from an end portion in a facing portion in a length direction and a width direction, where the adjacent inner electrode layers oppose each other.
20240304389. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kotaro KISHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/232, H01G4/30
CPC Code(s): H01G4/232
Abstract: in a multilayer ceramic capacitor, when a dimension in a length direction between first and second end surfaces of a multilayer body is l, a dimension in a width direction between first and second lateral surfaces of the multilayer body is w, and a dimension in a height direction between first and second main surfaces of the multilayer body is t, w>l>t, and a dimension in the length direction of each of fourth and fifth surface portions of a first external electrode is larger than a dimension in the length direction of each of second and third surface portions of the first external electrode, and a dimension in the length direction of each of ninth and tenth surface portions of a second external electrode is larger than a dimension in the length direction of each of seventh and eighth surface portions of the second external electrode.
20240304393. ELECTRONIC COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Shinichi YAMAGUCHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shoichiro SUZUKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/30, H01G4/008, H01G4/12, H01G4/232
CPC Code(s): H01G4/30
Abstract: an electronic component includes first and second inner electrode layers respectively including first and second facing portions and first and second extended portions coupling the first and second facing portions to an outer electrode, the first and second extended portions include a curved portion curving toward a center in a stacking direction with increasing proximity to an end surface from a first or second facing portion side, a solid solution layer includes a first metal component of the inner electrode layers and defines a solid solution with a second metal component at an interface between the curved portion and a dielectric layer, and a mole ratio of the second metal component in the solid solution is about 0.001 or more and about 0.1 or less relative to a total amount of moles of the first and second metal components.
Inventor(s): Korekiyo ITO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H03H11/04, H03H11/28
CPC Code(s): H01L28/60
Abstract: a semiconductor device that includes a substrate; a first electrode layer on the substrate; a dielectric film on the first electrode layer, the dielectric film containing silicon oxide, and a ratio of three-membered ring structures to four-membered ring structures in the silicon oxide is 0.46 or less; a second electrode layer on the dielectric film; a protective layer covering the first electrode layer and the second electrode layer, and outer electrodes piercing the protective layer.
Inventor(s): Yuuki KOBAYASHI of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/46, H01M10/04
CPC Code(s): H01M50/461
Abstract: a secondary battery is provided and includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. a space between the positive electrode and the separator and a space between the negative electrode and the separator are bonded with an adhesive, and the adhesive has a substantially annular shape when viewed in the stacking direction of the positive electrode, the separator, and the negative electrode.
Inventor(s): Kengo ONAKA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Ryo KOMURA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Hirotsugu MORI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01Q9/04, H01Q1/22, H01Q5/307, H01Q21/08
CPC Code(s): H01Q9/0407
Abstract: an antenna module includes a first substrate, a first component and a second component, a first radiating element and a second radiating element, and a second substrate that is arranged between the first substrate and the first component. the first component is thinner than the second component. the second substrate is arranged to overlap the first radiating element. the second component is arranged to overlap the second radiating element.
Inventor(s): Natsumi MINAMITANI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01Q9/04, H01Q1/22, H01Q1/48
CPC Code(s): H01Q9/0414
Abstract: an antenna module includes a ground electrode, a dielectric substrate, and a first radiating element and a second radiating element arranged in the dielectric substrate. the second radiating element is arranged at a position upward from the first radiating element. the first radiating element has a non-superposing portion where the second radiating element is not superposed when viewed in plan view from a height direction. the dielectric substrate has an upper surface and a step surface positioned upward from the non-superposing portion of the first radiating element and downward from the second radiating element. the dielectric substrate is covered with a high dielectric layer.
Inventor(s): Mikio YAMAMOTO of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H02J50/12, H02J7/00
CPC Code(s): H02J50/12
Abstract: a power receiving circuit according to an embodiment of the present disclosure includes: a power receiving antenna capable of receiving ac power supplied from a power feeding antenna by a magnetic field resonance method; a capacitor portion that is connected to the power receiving antenna, includes a first capacitor whose capacitance is changeable with temperature, and constitutes a resonance circuit together with the power receiving antenna; a conversion circuit capable of converting the ac power into dc power; and a heat conducting member capable of conducting heat from the conversion circuit to the first capacitor.
Inventor(s): Gregory Szczeszynski of Nashua NH (US) for murata manufacturing co., ltd.
IPC Code(s): H02M3/07, H02M1/00, H02M3/158, H02M7/483
CPC Code(s): H02M3/07
Abstract: circuits and methods that more effectively and efficiently solving the charge-balance problem for multi-level converter circuits by establishing a control method that selects an essentially optimal pattern or set of switch states that moves the fly capacitors towards a charge-balance state or maintains the current charge state every time a voltage level at an output node is selected regardless of what switch state or states were used in the past. accordingly, multi-level converter circuit embodiments of the invention are free to select a different switch state or output voltage level every switching cycle without needing to keep track of any prior switch state or sequence of switch states. additional benefits include improved transient performance made possible by the novel charge-balance method.
20240305247. POWER AMPLIFIER CIRCUIT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kenji TAHARA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takeshi KOGURE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kae YAMAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H03F1/02, H03F3/24
CPC Code(s): H03F1/0288
Abstract: a power amplifier circuit includes a carrier amplifier, a peak amplifier, an external output terminal, a combiner that includes an input terminal connected to an output terminal of the power amplifier, an input terminal connected to an output terminal of the power amplifier, and an output terminal connected to the external output terminal, a bias circuit that supplies a dc bias current to the carrier amplifier, a bias circuit that supplies a dc bias current to the peak amplifier, and a current limit circuit that is connected between the power amplifier and the bias circuit and that is configured to change a magnitude of the dc bias current according to a magnitude of a power supply voltage applied to the power amplifier circuit.
Inventor(s): Patrick TURNER of Portola Valley CA (US) for murata manufacturing co., ltd., Ryo Wakabayashi of Santa Clara CA (US) for murata manufacturing co., ltd.
IPC Code(s): H03H3/02, H03H9/02, H03H9/205
CPC Code(s): H03H3/02
Abstract: a bulk acoustic resonator is provided that includes a substrate having a plurality of layers and having a cavity disposed in at least one of the plurality of layers of the substrate; a piezoelectric layer attached to the substrate and including a portion that is over the cavity in the substrate; and an interdigital transducer (idt) on a surface of the piezoelectric layer and including interleaved fingers on the portion of the piezoelectric layer that is over the cavity. moreover, at least one opening extends through the portion of the piezoelectric layer that is over the cavity. the at least one opening is an elongated slot.
20240305266. RESONATOR AND RESONANCE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshiyuki HIGUCHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Masakazu FUKUMITSU of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H03H9/17, H03H9/15
CPC Code(s): H03H9/171
Abstract: a resonator that includes: a vibrating portion including a substrate, and a piezoelectric layer on the substrate; a holding portion around at least a part of the vibrating portion in a plan view of the substrate; and a support portion between the holding portion and the vibrating portion and that supports the vibrating portion. the vibrating portion includes a first portion and a second portion, a thickness of the second portion in a thickness direction of the substrate is larger than a thickness of the first portion in the thickness direction, and the vibrating portion has a recessed shape or a protruding shape defined by the first portion and the second portion on a side of the substrate opposite to the piezoelectric layer.
20240305271. ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Sunao YAMAZAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H03H9/25, H03H9/02, H03H9/145
CPC Code(s): H03H9/25
Abstract: an acoustic wave device according to the present invention includes a piezoelectric substrate including a piezoelectric layer, a functional electrode provided on the piezoelectric layer, a first support layer provided on the piezoelectric substrate so as to surround the functional electrode, a covering portion provided on or above the first support layer and including a first main surface positioned on the functional electrode side and a second main surface opposite to the first main surface, a silicon oxide layer provided on the first main surface side of the covering portion, and an inductor provided on the silicon oxide layer and made of a wire. the covering portion is made of silicon. the acoustic wave device further includes one of an amorphous silicon layer and a polysilicon layer provided between the covering portion and the silicon oxide layer.
20240305931. PRESSURE WAVE GENERATING ELEMENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kohei FUKAMACHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H04R23/00
CPC Code(s): H04R23/002
Abstract: a pressure wave generating element that includes: a first solid insulating layer having a first principal surface; a first metal layer on the first principal surface of the first solid insulating layer; a second metal layer disposed at a distance from the first metal layer in a thickness direction of the first solid insulating layer such that the first solid insulating layer is located between the first metal layer and the second metal layer; a first electrode electrically connected to a first end side of the first metal layer and a second end side of the second metal layer; and a second electrode electrically connected to a third end side of the first metal layer and a fourth end side of the second metal layer.
Murata Manufacturing Co., Ltd. patent applications on September 12th, 2024
- Murata Manufacturing Co., Ltd.
- A61B5/00
- A61B5/11
- CPC A61B5/4205
- Murata manufacturing co., ltd.
- B06B1/06
- H10N30/06
- H10N30/853
- H10N30/87
- H10N30/88
- CPC B06B1/0644
- B81B3/00
- G01P15/08
- G01P15/125
- CPC B81B3/0062
- C03C10/00
- CPC C03C10/0027
- F28D15/02
- H05K7/20
- CPC F28D15/0266
- H01C7/04
- H01C1/148
- H01G4/008
- H01G4/012
- H01G4/30
- CPC H01C7/044
- H01F1/36
- H01F5/04
- CPC H01F1/36
- H01F27/28
- H01F27/02
- H01F27/29
- H01F27/32
- CPC H01F27/2828
- H01F27/00
- H01F1/08
- H01F17/00
- CPC H01F27/292
- CPC H01F27/323
- H01G4/232
- CPC H01G4/012
- CPC H01G4/232
- H01G4/12
- CPC H01G4/30
- H03H11/04
- H03H11/28
- CPC H01L28/60
- H01M50/46
- H01M10/04
- CPC H01M50/461
- H01Q9/04
- H01Q1/22
- H01Q5/307
- H01Q21/08
- CPC H01Q9/0407
- H01Q1/48
- CPC H01Q9/0414
- H02J50/12
- H02J7/00
- CPC H02J50/12
- H02M3/07
- H02M1/00
- H02M3/158
- H02M7/483
- CPC H02M3/07
- H03F1/02
- H03F3/24
- CPC H03F1/0288
- H03H3/02
- H03H9/02
- H03H9/205
- CPC H03H3/02
- H03H9/17
- H03H9/15
- CPC H03H9/171
- H03H9/25
- H03H9/145
- CPC H03H9/25
- H04R23/00
- CPC H04R23/002
