Robert Bosch GmbH patent applications on February 6th, 2025
Patent Applications by Robert Bosch GmbH on February 6th, 2025
Robert Bosch GmbH: 30 patent applications
Robert Bosch GmbH has applied for patents in the areas of G06V10/764 (3), H01L29/66 (2), G06V20/70 (2), H01L29/78 (2), G06T11/60 (2) G06V10/764 (2), B60R25/24 (1), G06T7/10 (1), H01L29/785 (1), H05K7/20927 (1)
With keywords such as: image, unit, data, arranged, control, training, pressure, spring, brake, and trenches in patent application abstracts.
Patent Applications by Robert Bosch GmbH
Inventor(s): Wei Yan of Suzhou (CN) for robert bosch gmbh
IPC Code(s): B60R25/24, B60R25/06, B60R25/08
CPC Code(s): B60R25/24
Abstract: an vehicle anti-theft method and a vehicle anti-theft system is disclosed. the vehicle anti-theft method is implemented by at least a vehicle electronic anti-theft system, a chassis electronic control unit and an electronic parking brake. the method includes (i) generating, by the chassis electronic control unit, a random number, and sending the random number to the vehicle electronic anti-theft system, (ii) between the chassis electronic control unit and the vehicle electronic anti-theft system, based on the random number and pin and secret key parameters initially configured in the chassis electronic control unit and the vehicle electronic anti-theft system, performing an anti-theft authentication, and obtaining an anti-theft authentication result, and (iii) based on the anti-theft authentication result, controlling, by the electronic parking brake, whether to unlock wheel calipers.
20250042379. METHOD FOR OPERATING A BRAKE SYSTEM_simplified_abstract_(robert bosch gmbh)
Inventor(s): Florian Haag of Ellhofen (DE) for robert bosch gmbh, Markus Schuster of Helmstadt (DE) for robert bosch gmbh, Martin Marquart of Reichenbach (DE) for robert bosch gmbh, Nikolas Loeffelmann of Dielheim (DE) for robert bosch gmbh
IPC Code(s): B60T13/66, B60T8/72, B60T17/22
CPC Code(s): B60T13/662
Abstract: a method for operating a brake system and a brake system. the brake system includes a primary brake actuator and a secondary brake actuator. in the method, a brake pressure is adjusted using the primary brake actuator based on a first braking specification, and a brake pressure adjusted by the primary brake actuator is read in using a control unit of the secondary brake actuator or using an additional control unit. then, using the control unit of the secondary brake actuator or using an additional control unit, a first plausibility check of the ascertained brake pressure is carried out with a second braking specification, which was supplied to the control unit of the secondary brake actuator or to the additional control unit.
Inventor(s): Andreas Weh of Sulzberg (DE) for robert bosch gmbh, Martin Hagspiel of Rettenberg (DE) for robert bosch gmbh, Stefan Kaserer of Ofterschwang (DE) for robert bosch gmbh
IPC Code(s): B60T17/08, F15B3/00, F15B15/14
CPC Code(s): B60T17/08
Abstract: a hydraulic module for generating pressure and/or controlling pressure in a slip-controllable brake system of a motor vehicle. a hydraulic module includes a piston pressure generator including a piston which is displaceably accommodated in a cylinder bore of a housing block and can be driven to perform an axial movement. the piston delimits a working chamber, which changes its volume depending on the movement direction of the piston. a guide gap between a circumference of the piston and the cylinder bore is sealed toward the working chamber using a seal assembly. a guide element is included, on which the piston can be radially supported with its circumference, on a side of the seal assembly that faces away from the working chamber. this guide element is accommodated in a receiving groove of the housing block in such a way that it extends radially in part into the guide gap.
Inventor(s): Frederik Morlok of Wildberg Gueltlingen (DE) for robert bosch gmbh, Julian Ophey of Renningen (DE) for robert bosch gmbh, Sebastian Baumgaertner of Nuertingen-Raidwangen (DE) for robert bosch gmbh, Ulrich Vollmer of Weilheim (DE) for robert bosch gmbh
IPC Code(s): B62M6/45, B62M6/90
CPC Code(s): B62M6/45
Abstract: a method for operating a drive system that includes a plurality of components of an at least temporarily electrically driven bicycle is disclosed. the method includes (i) providing at least one requirement of a first component and a requirement of a second component from the plurality of components of the drive system, (ii) comparing the requirement of the first component with the requirement of the second component with regard to a thermal load situation of the first component and the second component, and (iii) adjusting an operating behavior of the first component and/or the second component based on the comparison.
Inventor(s): Juergen Stegmaier of Wannweil (DE) for robert bosch gmbh, Marten Swetik of Kusterdingen (DE) for robert bosch gmbh
IPC Code(s): B62M25/08, B62M6/50
CPC Code(s): B62M25/08
Abstract: a method for controlling a shift system of a bicycle includes, in particular during pedaling, (i) acquiring sensor data representing a posture of a rider of the bicycle relative to the bicycle, (ii) recognizing a transition of the rider from a seated position to a standing position based on the sensor data acquired, and (iii) decreasing a gear ratio of the shift system in a controlled manner in response to recognizing the transition of the rider from the seated position to the standing position.
Inventor(s): Stefan Pinter of Reutlingen (DE) for robert bosch gmbh
IPC Code(s): B81B3/00, B81C1/00, F16F3/087
CPC Code(s): B81B3/007
Abstract: a mems component. the memos component includes a micromechanical membrane spring including first and second membrane spring elements with an at least regional two-dimensional curvature. the first membrane spring element is mechanically coupled to the second membrane spring element such that a resulting spring force of the membrane spring is imparted by the first and second membrane spring elements. the membrane spring is integrated into a layer structure of the mems component such that the resulting spring force of the membrane spring acts substantially in the layer sequence direction of the layer structure. a device for preloading the membrane spring is configured to set an operating point of the membrane spring with respect to the spring characteristic curve using permanent elastic deflection of the membrane spring, such that the operating point is in an approximately linear spring characteristic curve range of the membrane spring with a slight gradient.
Inventor(s): Michael Stumber of Korntal-Muenchingen (DE) for robert bosch gmbh, Carina Schuessler of Renningen (DE) for robert bosch gmbh
IPC Code(s): C12M3/06, C12M1/00, C12M1/34
CPC Code(s): C12M23/16
Abstract: disclosed is a microfluidic device for mechanically splitting, in particular for aiding the enzymatic cleaving, of three-dimensional agglomerates into individual structures and/or agglomerate fragments, having a first fluidic connection and a second fluidic connection and at least one first microfluidic channel arranged between the first and the second fluidic connection, wherein the first microfluidic channel has at least one first retaining structure at which three-dimensional agglomerates can be mechanically split by means of friction, and wherein the at least one first retaining structure is positioned in the at least one first microfluidic channel such that unsplit three-dimensional agglomerates cannot pass any further through the microfluidic channel toward the second fluidic connection.
Inventor(s): Martin Zug of Hirrlingen (DE) for robert bosch gmbh, Stefan Merz of Hechingen (DE) for robert bosch gmbh, Felix Hoffmann of Baden-Baden Steinbach (DE) for robert bosch gmbh, Manuel Sell of Horb (DE) for robert bosch gmbh
IPC Code(s): F01B3/00
CPC Code(s): F01B3/0091
Abstract: a hydrostatic axial piston machine is disclosed, in the housing of which a drive shaft is rotatably mounted about an axis of rotation. the housing comprises a pot-like housing part having a first abutment and a cover-like housing part having a second abutment. the two abutments are clamped against one another in a sealing manner. a first fitting pin is inserted precisely into a first fitting recess of the first abutment on the one hand and into a second fitting recess of the second abutment on the other hand. a second fitting pin is provided on a side opposite the axis of rotation, which is inserted precisely into a third fitting recess of the first abutment on the one hand and into a fourth fitting recess of the second abutment on the other hand. the second fitting recess has a radial widening relative to the axis of rotation, whereby the second fitting recess is a slotted hole and/or a fitting groove.
Inventor(s): Jan Rohde of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G01C21/00
CPC Code(s): G01C21/3811
Abstract: a method for predicting changes in a static environment of an automated vehicle with respect to a digital map. the digital map includes at least information about a road layout and static objects in the environment of the automated vehicle, comprises the following method steps. deviations in the environment of the automated vehicle with respect to the digital map are identified on the basis of sensor data from at least one sensor and/or at least one database, and the identified deviations are quantified by ascertaining at least one change indicator. at least one probability of future changes in the environment of the automated vehicle with respect to the digital map is ascertained on the basis of the identified and quantified deviations.
Inventor(s): Christian Dullinger of Wien (AT) for robert bosch gmbh
IPC Code(s): G01F1/88
CPC Code(s): G01F1/88
Abstract: the invention relates to a method for determining a simulated current mass flow (m_iv), in particular as a substitute for a current mass flow (m_im) that cannot be measured in a field/production vehicle, in a coolant circuit () for heating/cooling a component () to be heated/cooled, the method comprising the steps of: receiving pressure data (d_p), wherein the pressure data (d_p) comprise a first pressure (p) in the coolant circuit () and a second pressure (p) in the coolant circuit (), wherein the first pressure (p) is provided from a first pressure-measuring point and the second pressure (p) is provided from a second pressure-measuring point, or the pressure data (d_p) comprise a pressure differential (�p) in the coolant circuit (), wherein the pressure differential (�p) between the first pressure-measuring point and the second pressure-measuring point is provided; wherein the first pressure-measuring point is upstream of the second pressure-measuring point and wherein the first pressure-measuring point and the second pressure-measuring point are in the same coolant path of the coolant circuit (); determining the simulated current mass flow (m_iv) of the coolant with the aid of a mathematical model (m) which is suitable for determining the current mass flow based on the pressure data (d_p).
Inventor(s): Armin Himmelstoss of Weissach Im Tal (DE) for robert bosch gmbh, Andreas Kugler of Alfdorf (DE) for robert bosch gmbh, Corinne Grevent of Ostfildern (DE) for robert bosch gmbh
IPC Code(s): G01S7/03, G01S13/931
CPC Code(s): G01S7/032
Abstract: a radar apparatus. the radar apparatus includes a printed circuit board and a signal generating circuit which is disposed at least indirectly on the printed circuit board, is electrically coupled to the printed circuit board, and is configured to generate a radar signal. the radar apparatus additionally includes a waveguide antenna device which is disposed at least indirectly on the printed circuit board and is at least partly formed on the basis of injection-molded plastic. the radar apparatus additionally includes a waveguide coupling device, wherein the signal generating circuit is disposed on or in the waveguide coupling device, and the waveguide coupling device is configured to couple the radar signal generated by the signal generating circuit into the waveguide antenna device.
Inventor(s): Jan Hendrik Metzen of Boeblingen (DE) for robert bosch gmbh
IPC Code(s): G05B13/02
CPC Code(s): G05B13/0265
Abstract: a method for processing measurement data in a neural network including a plurality of layers of neurons. in the method: inputs supplied to each neuron are processed according to parameters associated with the neuron to produce a work result; a group of neurons is selected; a target distribution for the work results of the neurons of the group is defined; an inverse cumulative density function of the target distribution is provided; the work results are mapped with a predetermined unit function onto unit values in an interval, so that the unit value associated with each work result occupies the same rank on the list of all unit values as the corresponding work result occupies on the list of all work results; normalized work results are calculated from the unit values using the inverse cumulative density function; the normalized work results are further processed to produce outputs of the neural network.
Inventor(s): JORGE GUAJARDO MERCHAN of Pittsburgh PA (US) for robert bosch gmbh, AMARNATH RAKSHITH of Hemmingen (DE) for robert bosch gmbh, RING MARTIN of Wildberg (DE) for robert bosch gmbh, FINN GUNTER of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G06F21/57
CPC Code(s): G06F21/577
Abstract: a method of operating an ids for a device includes performing a fuzzing operation on a software program being executed on a system under test, the software program corresponding to a deployed software program on the device monitored by the ids and the system under test being configured to emulate at least one system of the device, the fuzzing operation including supplying fuzzing inputs to the software program, monitoring outputs of the software program, and detecting, based on the outputs, a vulnerability to intrusion in the software program caused by supplying the fuzzing inputs to software program. the method further includes generating and storing a vulnerability entry corresponding to the detected vulnerability, the vulnerability entry including information identifying the detected vulnerability, and updating, based on the vulnerability entry, at least one of a component of the ids and a code portion of the deployed software program.
Inventor(s): Christoph Zimmer of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G06F30/27
CPC Code(s): G06F30/27
Abstract: a method for automated generation of a system for ascertaining a state variable characterizing a state of a technical system. in the method: a first model is provided, which is configured to ascertain an estimated value of the state variable from the measured variable. measured pairs of measured variables and in each case assigned state variables are provided. parameters characterizing the behavior of the first model are adjusted depending on the measured pairs. a machine learning system is provided, which, linked with the first model, produces an overall model configured to ascertain an overall estimated value of the state variable from the measured variable. the machine learning system is trained. an approximation of the machine learning system is ascertained from the machine learning system by means of symbolic regression. the link from the first model and symbolic regression is provided as a generated system.
20250045578. METHOD FOR TRAINING A MACHINE LEARNING MODEL_simplified_abstract_(robert bosch gmbh)
Inventor(s): Lukas Schott of Stuttgart (DE) for robert bosch gmbh, Jan Mathias Koehler of Leonberg (DE) for robert bosch gmbh, Claudia Blaiotta of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G06N3/08
CPC Code(s): G06N3/08
Abstract: the invention relates to a method () for training a machine learning model for application for a machine, comprising the following training steps:
Inventor(s): Dan Zhang of Leonberg (DE) for robert bosch gmbh, Kaspar Sakmann of Stuttgart (DE) for robert bosch gmbh, Robin Hutmacher of Renningen (DE) for robert bosch gmbh, William Harris Beluch of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G06T7/10, G06T11/60, G06V10/764, G06V20/70
CPC Code(s): G06T7/10
Abstract: a computer-implemented method for training an image segmentation system. the method includes: obtaining a training image and a training label map, wherein the training label map indicates pixels of the training image as belonging to an anomaly class; providing the training image as input to the image segmentation system, wherein the image segmentation system determines values characterizing logits for different classes for pixels of the training image; determining a loss value based on a loss function, wherein the loss function comprises a first term that characterizes a logarithm of a sigmoid of logits determined for pixels in the training image, wherein the logarithm of the sigmoid is determined for pixels, which are labeled as belonging to the anomaly class in the training label map; training the image segmentation system () by minimizing the loss value.
Inventor(s): Simon Boeder of Hannover (DE) for robert bosch gmbh, Fabian Gigengack of Hemmingen (DE) for robert bosch gmbh, Oliver Lange of Hemmingen (DE) for robert bosch gmbh
IPC Code(s): G06T17/00, G06V10/44, G06V10/56, G06V20/56
CPC Code(s): G06T17/00
Abstract: a method for training an ml model to generate a voxel-based 3d representation of an environment of a vehicle. the method includes: generating first image data, which represent the environment of the vehicle, based on at least one data source; extracting at least one image feature from the first image data using the trainable ml model; generating a voxel-based 3d representation for the environment using the trainable ml model by transforming the at least one image feature into a corresponding voxel feature, wherein each voxel feature contains occupancy information and color information of a 3d position of the voxel feature; rendering the generated 3d representation for the at least one voxel feature based on the color information and the occupancy information to generate second image data; comparing the first input image data with the generated second out image data, and adjusting at least one parameter of the ml model.
Inventor(s): Dan Zhang of Leonberg (DE) for robert bosch gmbh, Kaspar Sakmann of Stuttgart (DE) for robert bosch gmbh, Robin Hutmacher of Renningen (DE) for robert bosch gmbh, William Harris Beluch of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): G06V10/764, G06T11/60, G06V20/70
CPC Code(s): G06V10/764
Abstract: a computer-implemented method for generating a training image and a training label map. the method includes: obtaining a first image and a corresponding first label map and obtaining a second image and a corresponding second label map; determining a third image by providing the second image as input to a machine learning system which is configured for determining images in the style of the first image based on provided images; determining the training image by replacing pixels from the first image with pixels from the third image, wherein the pixels from the third image are determined based on a class from the second label map; determining the training label map by replacing class labels from the first label map with class labels indicating an anomaly class, wherein the class labels in the first label map are replaced for which corresponding pixels in the first image are replaced.
Inventor(s): Kaspar Sakmann of Stuttgart (DE) for robert bosch gmbh, Dan Zhang of Leonberg (DE) for robert bosch gmbh
IPC Code(s): G06V10/764, G05B23/02, G06V10/774, G06V20/58
CPC Code(s): G06V10/764
Abstract: device and computer implemented method for processing a digital image for anomaly detection. the method includes providing a model that is trained with a data set that includes digital images to output probabilities that are assigned to classes in a set of classes for classifying or semantically segmenting the digital image depending on the digital image; determining the probabilities for the digital image with the model; determining a size of a sub-set of the set of classes depending on a sum of the probabilities that are assigned to the classes in the sub set and depending on a first threshold; and detecting an anomaly depending on the size; wherein the sum of the probabilities is smaller than the first threshold, determining the size of the sub-set comprises determining the first threshold depending on a weighted sum of scores, a score is weighted in the weighted sum.
20250046830. FUEL CELL STACK_simplified_abstract_(robert bosch gmbh)
Inventor(s): Wasif Islam Chowdhury of Tokyo (JP) for robert bosch gmbh, Moe Sakamoto of Tokyo (JP) for robert bosch gmbh, Shigetaka Uehara of Tokyo (JP) for robert bosch gmbh
IPC Code(s): H01M8/0273, H01M8/0284, H01M8/248
CPC Code(s): H01M8/0273
Abstract: to improve sealing performance of a fuel cell stack. a fuel cell stack includes: a laminated body in which a plurality of fuel cells are laminated, each fuel cell including a membrane electrode assembly , and separators that are disposed at both sides of the membrane electrode assembly ; and a pair of clamping members that clamp the laminated body in a laminated direction d of the laminated body , in which the fuel cell includes a frame portion that outwardly projects from an outer peripheral portion of the membrane electrode assembly , an elastic seal member that is elastically deformable in the laminated direction d is provided to the clamping member , the relevant elastic seal member is interposed between the separator that is adjacent to the clamping member , and the clamping member , the elastic seal member is also provided to the frame portion of at least one of the fuel cells or the separator that is adjacent to the relevant frame portion , and the relevant elastic seal member is interposed between the separator that is adjacent to the relevant frame portion , and the relevant frame portion
Inventor(s): Klaus Baur of Mietingen (DE) for robert bosch gmbh, Minh Nhat Pham of Leinfelden-Echterdingen (DE) for robert bosch gmbh
IPC Code(s): H01P5/08, H01P3/08, H01P3/12, H01Q1/32, H01Q9/04
CPC Code(s): H01P5/08
Abstract: a transition between a strip conductor connection and a waveguide for a high-frequency connection. a strip conductor connection is arranged on a carrier substrate and is adjoined by a transition to a waveguide structure integrated into the carrier substrate. this waveguide structure integrated into the carrier substrate is adjoined by a waveguide on an outer side of the carrier substrate.
20250047036. COUPLING FOR TWO PLUG-IN CONNECTORS_simplified_abstract_(robert bosch gmbh)
Inventor(s): Rolf Wittmann of Ubstadt-Weiher (DE) for robert bosch gmbh
IPC Code(s): H01R13/631, H01R13/50
CPC Code(s): H01R13/631
Abstract: a coupling for receiving two plug-in connectors which face one another. the coupling has a sleeve-like housing which extends along an axial direction and has a first end, a second end averted from the first end, and an interior space. a first opening for inserting a first plug-in connector having a first faster is at the first end. a second opening for inserting a second plug-in connector having a second fastener is at the second end. a first coupling fastener is arranged at the first end and interacts with the first fastener of the first plug-in connector in such a way that the first plug-in connector is captively coupled to the coupling. a second coupling fastener is arranged at the second end, and interacts with the second fastener of the second plug-in connector in such a way that the second plug-in connector is captively coupled to the coupling.
Inventor(s): Sergej Subkow of Kornwestheim (DE) for robert bosch gmbh, Ulrich Stockmeier of Bad Wildbad (DE) for robert bosch gmbh
IPC Code(s): H01T13/32, H01T13/16
CPC Code(s): H01T13/32
Abstract: a spark plug with a longitudinal axis. the spark plug includes a housing with a hole along the spark plug longitudinal axis and a combustion-chamber-side end side, wherein the housing has a recess on the end side thereof; an insulator arranged inside the housing; a central electrode arranged inside the insulator; and a ground electrode arranged in one of the recesses on the housing end side; wherein the ground electrode and the central electrode are arranged such that an ignition gap is formed within the housing.
Inventor(s): Stefan Teusch of Reutlingen (DE) for robert bosch gmbh, Daniel Groezinger of Stuttgart (DE) for robert bosch gmbh, Joachim Joos of Gerlingen (DE) for robert bosch gmbh
IPC Code(s): H02J7/00
CPC Code(s): H02J7/0025
Abstract: the invention relates to a method for charging a battery () having a plurality of battery cells (), the plurality of battery cells () being electrically interconnected in series. the respective charging process of at least two battery cells () is started at different times.
Inventor(s): Martin Koehne of Asperg (DE) for robert bosch gmbh
IPC Code(s): H02K15/03, H02K1/276
CPC Code(s): H02K15/03
Abstract: a method for producing a laminated core () of an electrical machine, comprising the steps of a) providing foil laminations () each comprising a carrier foil () made of aluminum and a natural or produced aluminum oxide layer () and each being coated with a first foil coating () made of a first powder mixture on at least one side () at flux barrier surfaces (), wherein the first powder mixture comprises an austenite stabilizer, aluminum oxide, and an adhesive agent, b) providing sheet metal laminations () of the laminated core (), c) alternately stacking sheet metal laminations () and foil laminations (), wherein the foil laminations () are oriented relative to the sheet metal laminations () such that the flux barrier surfaces () of the respective foil lamination () come into direct contact with the respective sheet metal lamination () at specified flux barrier locations () of the respective sheet metal lamination (); d) heating the stack of sheet metal laminations () and foil laminations () such that
Inventor(s): Sergei Chubanov of Stuttgart (DE) for robert bosch gmbh
IPC Code(s): H04L47/50
CPC Code(s): H04L47/50
Abstract: a system and method for scheduling data transmissions in a data transmission cycle by devices in a communications network. a schedule may be determined by determining an initial transmission order of the devices in the data transmission cycle, providing a procedure which uses a transmission order as input and which outputs a feasible schedule and a total duration of the data transmission cycle for the feasible schedule, wherein the procedure generates the feasible schedule to satisfy one or more data transmission constraints imposed by the communications network and/or the devices, performing the procedure using the initial transmission order as input, and iteratively adjusting the initial transmission order and performing the procedure to obtain an adjusted schedule with an adjusted transmission order which minimizes the total duration of the data transmission cycle.
Inventor(s): Sascha Guebner of Bodenburg (DE) for robert bosch gmbh, Johannes Morgenroth of Hildesheim (DE) for robert bosch gmbh
IPC Code(s): H04L69/28, H04L43/0852
CPC Code(s): H04L69/28
Abstract: a method for operating a first communication unit of a communication system to determine, using a second communication unit, a maximum value for a latency time of a data packet transmitted from a first communication unit to a second communication unit of the communication system. the method includes: receiving, using the first communication unit, at least one token message sent from the second communication unit to the first communication unit and including time information representing a reference time of the token message; and sending, by the first communication unit, the data packet with the time information included in the at least one received token message to the second communication unit to determine the maximum value for the latency time of the data packet transmitted from the first communication unit to the second communication unit on the basis of the time information comprised by the data packet.
Inventor(s): Tim Liewer of Gaeufelden (DE) for robert bosch gmbh, Thomas Maerz of Metzingen (DE) for robert bosch gmbh, Tobias Hoppe of Kuppenheim (DE) for robert bosch gmbh
IPC Code(s): H05K7/20
CPC Code(s): H05K7/20927
Abstract: for a heat sink () for cooling an electrical and/or electronic assembly (), in particular for electric vehicles or hybrid vehicles,
Inventor(s): Daniel Krebs of Aufhausen (DE) for robert bosch gmbh, Alberto Martinez-Limia of Pliezhausen (DE) for robert bosch gmbh, Jens Baringhaus of Sindelfingen (DE) for robert bosch gmbh
IPC Code(s): H01L29/78, H01L21/311, H01L21/3115, H01L29/06, H01L29/16, H01L29/20, H01L29/66
CPC Code(s): H01L29/785
Abstract: a power finfet. the power finfet has two-part control electrodes and a semiconductor body which has a drift layer, and a second connection region arranged above the drift layer. the first trenches and second trenches extend from the second connection region into the drift layer, and being arranged in an alternating manner, the second trenches having a smaller width than the first trenches. shielding zones are arranged below the first trenches, the shielding zones directly adjoining the first trenches, and the shielding zones being connected to source regions in an electrically conductive manner. a two-part control electrode is arranged within the first trenches in each case, the two-part control electrode being electrically insulated from the shielding zone below the first trenches in each case. fins are arranged between the first trenches and the second trenches, the fins having a width of at most 500 nm.
Inventor(s): Daniel Krebs of Aufhausen (DE) for robert bosch gmbh, Jens Baringhaus of Sindelfingen (DE) for robert bosch gmbh
IPC Code(s): H01L29/78, H01L21/3115, H01L29/06, H01L29/16, H01L29/20, H01L29/66
CPC Code(s): H01L29/7813
Abstract: a method for producing a power finfet with two-part control electrodes. the power finfet includes a semiconductor body, which includes a first connection region, a drift layer, a channel region and a second connection region. the method includes producing trenches, which extend from the second connection region into the drift layer, the trenches being arranged substantially in parallel with one another; producing shielding regions below the trenches using an implantation process, so that a shielding region is arranged below each trench; widening the trenches using at least one etching process, so that fins are formed between the trenches, the fins having a width of less than 500 nm; and producing the two-part control electrodes, which are arranged within the trenches, so that one two-part control electrode is in each case arranged in each trench. each two-part control electrode is electrically insulated from the shielding region below the trench.
- Robert Bosch GmbH
- B60R25/24
- B60R25/06
- B60R25/08
- CPC B60R25/24
- Robert bosch gmbh
- B60T13/66
- B60T8/72
- B60T17/22
- CPC B60T13/662
- B60T17/08
- F15B3/00
- F15B15/14
- CPC B60T17/08
- B62M6/45
- B62M6/90
- CPC B62M6/45
- B62M25/08
- B62M6/50
- CPC B62M25/08
- B81B3/00
- B81C1/00
- F16F3/087
- CPC B81B3/007
- C12M3/06
- C12M1/00
- C12M1/34
- CPC C12M23/16
- F01B3/00
- CPC F01B3/0091
- G01C21/00
- CPC G01C21/3811
- G01F1/88
- CPC G01F1/88
- G01S7/03
- G01S13/931
- CPC G01S7/032
- G05B13/02
- CPC G05B13/0265
- G06F21/57
- CPC G06F21/577
- G06F30/27
- CPC G06F30/27
- G06N3/08
- CPC G06N3/08
- G06T7/10
- G06T11/60
- G06V10/764
- G06V20/70
- CPC G06T7/10
- G06T17/00
- G06V10/44
- G06V10/56
- G06V20/56
- CPC G06T17/00
- CPC G06V10/764
- G05B23/02
- G06V10/774
- G06V20/58
- H01M8/0273
- H01M8/0284
- H01M8/248
- CPC H01M8/0273
- H01P5/08
- H01P3/08
- H01P3/12
- H01Q1/32
- H01Q9/04
- CPC H01P5/08
- H01R13/631
- H01R13/50
- CPC H01R13/631
- H01T13/32
- H01T13/16
- CPC H01T13/32
- H02J7/00
- CPC H02J7/0025
- H02K15/03
- H02K1/276
- CPC H02K15/03
- H04L47/50
- CPC H04L47/50
- H04L69/28
- H04L43/0852
- CPC H04L69/28
- H05K7/20
- CPC H05K7/20927
- H01L29/78
- H01L21/311
- H01L21/3115
- H01L29/06
- H01L29/16
- H01L29/20
- H01L29/66
- CPC H01L29/785
- CPC H01L29/7813