Patents Examined by Cuong B Nguyen
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Patent number: 12249548Abstract: A semiconductor device includes a dielectric layer, a conductive layer formed over the dielectric layer, and a reduction sacrificial layer formed between the dielectric layer and the conductive layer, wherein the reduction sacrificial layer includes a first reduction sacrificial material having higher electronegativity than the dielectric layer, and a second reduction sacrificial material having higher electronegativity than the first reduction sacrificial material.Type: GrantFiled: November 15, 2022Date of Patent: March 11, 2025Assignee: SK hynix Inc.Inventors: Sang Young Lee, Kyung Woong Park, Han Joon Kim
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Patent number: 12237372Abstract: A device includes a substrate, and a first semiconductor channel over the substrate. The first semiconductor channel includes a first nanosheet of a first semiconductor material, a second nanosheet of a second semiconductor material in physical contact with a topside surface of the first nanosheet, and a third nanosheet of the second semiconductor material in physical contact with an underside surface of the first nanosheet. The first gate structure is over and laterally surrounding the first semiconductor channel, and in physical contact with the second nanosheet and the third nanosheet.Type: GrantFiled: April 3, 2023Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Lung-Kun Chu, Jia-Ni Yu, Chung-Wei Hsu, Chih-Hao Wang, Kuo-Cheng Chiang, Kuan-Lun Cheng, Mao-Lin Huang
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Patent number: 12237373Abstract: A device includes a substrate, and a first semiconductor channel over the substrate. The first semiconductor channel includes a first nanosheet of a first semiconductor material, a second nanosheet of a second semiconductor material in physical contact with a topside surface of the first nanosheet, and a third nanosheet of the second semiconductor material in physical contact with an underside surface of the first nanosheet. The first gate structure is over and laterally surrounding the first semiconductor channel, and in physical contact with the second nanosheet and the third nanosheet.Type: GrantFiled: April 3, 2023Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Lung-Kun Chu, Jia-Ni Yu, Chung-Wei Hsu, Chih-Hao Wang, Kuo-Cheng Chiang, Kuan-Lun Cheng, Mao-Lin Huang
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Patent number: 12238914Abstract: A method of forming a semiconductor device includes forming a contact metal layer, forming a channel structure on the contact metal layer, wherein the channel structure comprises a first source/drain region, a channel region and a second source/drain region stacked in that order, and forming a gate structure around the channel region, such that an upper surface of the gate structure is substantially coplanar with an upper surface of the channel structure.Type: GrantFiled: April 28, 2023Date of Patent: February 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Gerben Doornbos, Blandine Duriez, Marcus Johannes Henricus Van Dal
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Patent number: 12230666Abstract: A display apparatus including a plurality of pixel regions disposed on a support substrate, each of the pixel regions including a plurality of subpixel stacks including a first epitaxial stack, a second epitaxial stack, and a third epitaxial stack, in which light generated from the first epitaxial stack is to be emitted to the outside of the display apparatus through the second and third epitaxial stacks, light generated from the second epitaxial stack is to be emitted to the outside of the display apparatus through the third epitaxial stack, during operation, one of the subpixel stacks within each pixel region is configured to be selected and driven, and at least one subpixel stack further includes an electrode disposed between the first epitaxial stack and the support substrate to be in ohmic contact with the first epitaxial stack.Type: GrantFiled: December 5, 2022Date of Patent: February 18, 2025Assignee: SEOUL VIOSYS CO., LTD.Inventors: Chung Hoon Lee, Jong Hyeon Chae
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Patent number: 12224283Abstract: A semiconductor memory device includes a substrate, an active structure, a shallow trench isolation and a plurality of word lines. The active structure is disposed in the substrate, and includes a plurality of first active fragments and a plurality of second active fragments extended parallel to each other along a first direction and the second active fragments are disposed outside a periphery of all of the first active fragments. The shallow trench isolation is disposed in the substrate to surround the active structure, and which includes a plurality of first portions and a plurality of second portions. The word lines are disposed in the substrate, parallel with each other to extend along a second direction, wherein at least one of the word lines are only intersected with the second active fragments, or at least one of the word lines does not pass through any one of the second portions.Type: GrantFiled: August 29, 2023Date of Patent: February 11, 2025Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Janbo Zhang, Yu-Cheng Tung
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Patent number: 12225754Abstract: A display device includes: a substrate on which a display area and a transmission area are defined; a metal blocking layer disposed in the display area on the substrate; an inorganic insulation layer disposed on the metal blocking layer; an organic insulation layer disposed on the inorganic insulation layer; a pixel defining layer disposed on the organic insulation layer, where an opening is defined through the pixel defining layer; an emission layer disposed on the organic insulation layer, and in the opening; a planarization layer disposed in the transmission area, on the organic insulation layer; and an encapsulation layer disposed in the display area and the transmission area. The inorganic insulation layer is at least partially removed in the transmission area, the organic insulation layer is disposed in the display area and the transmission area, and the planarization layer contacts a side surface of the pixel defining layer.Type: GrantFiled: July 29, 2021Date of Patent: February 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Nak Cho Choi, Dong Hyun Son, Se Wan Son
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Patent number: 12224311Abstract: An apparatus includes a drain and a source on opposing sides of an epitaxial layer, a plurality of gates formed in the epitaxial layer, a source contact connected to the source, a gate contact connected to the plurality of gates, a drain contact on opposing sides of the epitaxial layer of the source contact, a gate-source electrostatic discharge (ESD) diode connected between the gate contact and the source contact, and a breakdown voltage enhancement and leakage prevention structure formed underneath the gate-source ESD diode structure, wherein the breakdown voltage enhancement and leakage prevention structure comprises a body ring structure.Type: GrantFiled: June 18, 2024Date of Patent: February 11, 2025Assignee: Diodes IncorporatedInventors: Wan-Yu Kai, Chia-Wei Hu, Ta-Chuan Kuo
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Patent number: 12224336Abstract: A semiconductor device including: a first structure including: a first semiconductor pattern protruding from a substrate, the first semiconductor pattern being a channel; a first conductive pattern surrounding the first semiconductor pattern, the first conductive pattern being a gate electrode; a first impurity region under the first semiconductor pattern, the first impurity region contacting the first semiconductor pattern, the first impurity region being a source or drain region; and a second impurity region contacting the first semiconductor pattern, the second impurity region being the other of the source or drain region; and a second structure including: second semiconductor patterns spaced apart from each other, each of the second semiconductor patterns protruding from the substrate; second conductive patterns surrounding the second semiconductor patterns, respectively; and first contact plugs connected to the second conductive patterns, wherein the first structure is a vfet, and the second structure inType: GrantFiled: December 24, 2022Date of Patent: February 11, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seungchan Yun, Donghwan Han
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Patent number: 12224306Abstract: A pixel includes a light emitting area including a central portion and an outer portion, a non-light emitting area surrounding the light emitting area, a first electrode and a second electrode that are spaced apart from each other in the light emitting area, and a first light emitting element disposed between the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other at a first interval in the central portion, and are spaced apart from each other at a second interval in the outer portion. The second interval is larger than the first interval. An interval between the first electrode and the second electrode gradually increases from the central portion to the outer portion.Type: GrantFiled: August 6, 2021Date of Patent: February 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun A Cho, Jong Hyuk Kang, Won Ho Lee
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Patent number: 12224313Abstract: 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 provided on the first electrode, and electrically connected to the first electrode. The second semiconductor region is provided on a part of the first semiconductor region. The third semiconductor region is provided on another part of the first semiconductor region. The third semiconductor region includes first and second regions. The fourth semiconductor region is provided on the second semiconductor region. The fifth semiconductor region is provided on a part of the fourth semiconductor region. The gate electrode faces the fourth semiconductor region with a gate insulating layer interposed between the gate electrode and the fourth semiconductor region. The second electrode is provided on the fourth and fifth semiconductor regions. The second electrode is electrically connected to the fourth and fifth semiconductor regions.Type: GrantFiled: May 15, 2023Date of Patent: February 11, 2025Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventor: Yuhki Fujino
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Patent number: 12218187Abstract: An SiC semiconductor device includes an SiC semiconductor layer including an SiC monocrystal that is constituted of a hexagonal crystal and having a first main surface as a device surface facing a c-plane of the SiC monocrystal and has an off angle inclined with respect to the c-plane, a second main surface at a side opposite to the first main surface, and a side surface facing an a-plane of the SiC monocrystal and has an angle less than the off angle with respect to a normal to the first main surface when the normal is 0°.Type: GrantFiled: February 22, 2023Date of Patent: February 4, 2025Assignee: ROHM CO., LTD.Inventors: Yuki Nakano, Masaya Ueno, Sawa Haruyama, Yasuhiro Kawakami, Seiya Nakazawa, Yasunori Kutsuma
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Patent number: 12217967Abstract: Provided is an indium phosphide substrate which has suppressed sharpness of a wafer edge when polishing is carried out from the back surface of the wafer by a method such as back lapping. An indium phosphide substrate, wherein when planes A each parallel to a main surface are taken in a wafer, the phosphide substrate has an angle ? on the main surface side of 0°<??110° for all of the planes A where a distance from the main surface is 100 ?m or more and 200 ?m or less, wherein the angle ? is formed by a plane B, the plane B including an intersection line of an wafer edge with each of the planes A and being tangent to the wafer edge, and an plane of each of the planes A extending in a wafer outside direction, and wherein in a cross section orthogonal to the wafer edge, the indium phosphide substrate has an edge round at least on the main surface side, and the edge round on the main surface side has a radius of curvature Rf of from 200 to 350 ?m.Type: GrantFiled: December 23, 2020Date of Patent: February 4, 2025Assignee: JX ADVANCED METALS CORPORATIONInventors: Shunsuke Oka, Kenji Suzuki, Hideaki Hayashi
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Patent number: 12199092Abstract: A semiconductor apparatus includes a semiconductor substrate and a second electrode. Semiconductor substrate includes a device region and a peripheral region. An n? drift region and second electrode extend from device region to peripheral region. An n buffer layer and a p collector layer are provided also in peripheral region. Peripheral region is provided with an n type region. N type region is in contact with second electrode and n buffer layer. The turn-off loss of the semiconductor apparatus is reduced.Type: GrantFiled: October 20, 2021Date of Patent: January 14, 2025Assignee: Mitsubishi Electric CorporationInventor: Tetsuo Takahashi
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Patent number: 12193225Abstract: A semiconductor device has a first conductivity type semiconductor substrate. A second conductivity type first impurity diffusion layer is disposed in a surface region of the semiconductor substrate. A resistance element is configured with a first conductivity type second impurity diffusion layer disposed in the first impurity diffusion layer in the surface region of the semiconductor substrate. In a transistor, a gate is connected to an input portion of the resistance element, a source is connected to the first impurity diffusion layer, and a drain is connected to a voltage source higher than the voltage of the input portion. A current source is connected to the source.Type: GrantFiled: July 7, 2021Date of Patent: January 7, 2025Assignee: KIOXIA CORPORATIONInventors: Takatoshi Minamoto, Sho Tokairin, Yoshinao Suzuki
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Patent number: 12183819Abstract: A semiconductor device includes a semiconductor substrate of a first conductivity type, a first semiconductor layer of the first conductivity type, a second semiconductor layer of a second conductivity type, first semiconductor regions of the first conductivity type, second semiconductor regions of the second conductivity type, gate insulating films, gate electrodes, an insulating film, first electrodes, a second electrode, and trenches. The first semiconductor regions and the second semiconductor regions are periodically disposed apart from one another in a first direction in which the trenches extend in a stripe pattern.Type: GrantFiled: February 17, 2023Date of Patent: December 31, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventors: Hiroyuki Fujisawa, Akimasa Kinoshita
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Patent number: 12183854Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.Type: GrantFiled: August 25, 2021Date of Patent: December 31, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Buem Joon Kim, Won Ho Lee, Hyun Deok Im, Jong Hyuk Kang, Eun A Cho
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Patent number: 12176396Abstract: A semiconductor device includes a silicon carbide semiconductor body. A first shielding region of a first conductivity type is connected to a first contact at a first surface of the silicon carbide semiconductor body. A current spread region of a second conductivity type is connected to a second contact at a second surface of the silicon carbide semiconductor body. A doping concentration profile of the current spread region includes peaks along a vertical direction perpendicular to the first surface. A doping concentration of one peak or one peak-group of the peaks is at least 50% higher than a doping concentration of any other peak of the current spread region. A vertical distance between the one peak or the one peak-group of the current spread region and the first surface is larger than a second vertical distance between the first surface and a maximum doping peak of the first shielding region.Type: GrantFiled: December 7, 2022Date of Patent: December 24, 2024Assignee: INFINEON TECHNOLOGIES AGInventors: Michael Hell, Rudolf Elpelt, Thomas Ganner, Caspar Leendertz
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Patent number: 12170275Abstract: A semiconductor device assembly that includes first and second semiconductor devices connected directly to a first side of a substrate and a plurality of interconnects connected to a second side of the substrate. The substrate is configured to enable the first and second semiconductor devices to communicate with each other through the substrate. The substrate may be a silicon substrate that includes complementary metal-oxide-semiconductor (CMOS) circuits. The first semiconductor device may be a processing unit and the second semiconductor device may be a memory device, which may be a high bandwidth memory device. A method of making a semiconductor device assembly includes applying CMOS processing to a silicon substrate, forming back end of line (BEOL) layers on a first side of the substrate, attaching a memory device and a processing unit directly to the BEOL layers, and forming a redistribution layer on the second side of the substrate.Type: GrantFiled: August 4, 2022Date of Patent: December 17, 2024Assignee: Micron Technology, Inc.Inventors: Chan H. Yoo, Owen R. Fay
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Patent number: 12166060Abstract: The present disclosure relates to an image pickup device and an electronic apparatus that enable further downsizing of device size. The device includes: a first structural body and a second structural body that are layered, the first structural body including a pixel array unit, the second structural body including an input/output circuit unit, and a signal processing circuit; a first through-via, a signal output external terminal, a second through-via, and a signal input external terminal that are arranged below the pixel array, the first through-via penetrating through a semiconductor substrate constituting a part of the second structural body, the second through-via penetrating through the semiconductor substrate; a substrate connected to the signal output external terminal and the signal input external terminal; and a circuit board connected to a first surface of the substrate. The present disclosure can be applied to, for example, the image pickup device, and the like.Type: GrantFiled: October 28, 2022Date of Patent: December 10, 2024Assignee: Sony Group CorporationInventors: Shinji Miyazawa, Yoshiaki Masuda