Patents Examined by Natalia A Gondarenko
  • Patent number: 11373996
    Abstract: A silicon-controlled-rectifier electrostatic protection structure and a fabrication method are provided. The structure includes: a substrate of P-type; a first N-type well, a second N-type well, and a third N-type well in the substrate; a first P-type doped region in the first N-type well; first N-type doped regions at sides of the first N-type well along a first direction; first gate structures on a portion of the first N-type doped regions and on a portion of the first P-type doped region; second gate structure groups at sides of the first N-type well along a second direction; second N-type doped regions in the substrate at sides of each second gate structure along the first direction; second P-type doped regions in the second N-type doped regions between adjacent second gate structure groups; and a third P-type doped region and a cathode N-type doped region in the substrate.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: June 28, 2022
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventors: Guang Chen, Jie Chen
  • Patent number: 11373873
    Abstract: A method of forming one or more contact regions in a high-voltage field effect transistor (HFET) includes providing a semiconductor material, including a first active layer and a second active layer, with a gate dielectric disposed on a surface of the semiconductor material. A first contact to the semiconductor material is formed that extends through the second active layer into the first active layer, and a passivation layer is deposited, where the gate dielectric is disposed between the passivation layer and the second active layer. An interconnect is formed extending through the first passivation layer and coupled to the first contact. An interlayer dielectric is deposited proximate to the interconnect, and a plug is formed extending into the interlayer dielectric and coupled to the first portion of the interconnect.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: June 28, 2022
    Assignee: Power Integrations, Inc.
    Inventors: Alexey Kudymov, LinLin Liu, Jamal Ramdani
  • Patent number: 11367849
    Abstract: A pixel array package structure includes: a substrate; a pixel array disposed on the substrate, in which the pixel array includes a plurality of light emitting diode chips, and the light emitting diode chips include at least one red diode chip, at least one green diode chip, at least one blue diode chip, and a combination thereof; a reflective layer disposed on the substrate and between any two adjacent of the light emitting diode chips; a light-absorbing layer disposed on the reflective layer and surrounding the pixel array; and a light-transmitting layer disposed on the pixel array, the reflective layer, and the light-absorbing layer, in which the light-transmitting layer has an upper surface and a lower surface opposite thereto, and the lower surface is in contact with the pixel array, and the upper surface has a roughness of 0.005 mm to 0.1 mm.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: June 21, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Hui-Ru Wu, Jian-Chin Liang, Jo-Hsiang Chen, Lung-Kuan Lai, Cheng-Yu Tsai, Hsin-Lun Su, Ting-Kai Chen
  • Patent number: 11362197
    Abstract: A semiconductor device is disclosed. A semiconductor device according to an example of the present disclosure includes a gate electrode of a ring shape having an opening area on a substrate; a P-type deep well region formed in the opening area; a drain region formed on the P-type deep well region; an N-type well region overlapping with the gate electrode; a source region formed in the N-type well region; a bulk tab region formed by being isolated from the source region by a first isolation region; a P-type drift region formed in contact with the N-type well region; and a second isolation region formed near the bulk tab region.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: June 14, 2022
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Hyun Kwang Shin, Jung Hwan Lee
  • Patent number: 11342357
    Abstract: A semiconductor device structure and method of manufacturing a semiconductor device is provided. The method includes providing a first semiconductor substrate having a first major surface and an opposing second major surface, the first major surface having a first metal layer formed thereon; providing a second semiconductor substrate having a first major surface and an opposing second major surface, with the second semiconductor substrate including a plurality of active device regions formed therein and a second metal layer formed on the first major surface connecting each of the plurality of active device regions; bonding the first metal layer of the first semiconductor substrate to the second metal layer of the second semiconductor substrate; and forming device contacts on the second major surface of the second semiconductor substrate for electrical connection to each of the plurality of active device regions.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: May 24, 2022
    Assignee: Nexperia B.V.
    Inventors: Hans-Martin Ritter, Frank Burmeister
  • Patent number: 11342443
    Abstract: An electronic device including a transistor structure, and a process of forming the electronic device can include providing a workpiece including a substrate, a first layer, and a channel layer including a compound semiconductor material; and implanting a species into the workpiece such that the projected range extends at least into the channel and first layers, and the implant is performed into an area corresponding to at least a source region of the transistor structure. In an embodiment, the area corresponds to substantially all area occupied by the transistor structure. In another embodiment, the implant can form crystal defects within layers between the substrate and source, gate, and drain electrodes. The crystal defects may allow resistive coupling between the substrate and the channel structure within the transistor structure. The resistive coupling allows for better dynamic on-state resistance and potentially other electrical properties.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: May 24, 2022
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Peter Moens, Abhishek Banerjee
  • Patent number: 11335810
    Abstract: A transistor includes a substrate having a first surface and a second surface opposite the first surface, a drift region having a doped region on the first surface of the substrate and a graded doping region on the doped region, a semiconductor fin protruding from the graded doping region and comprising a metal compound layer at an upper portion of the semiconductor fin, a source metal contact on the metal compound layer, a gate layer having a bottom portion directly contacting the graded doping region; and a drain metal contact on the second surface of the substrate.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 17, 2022
    Assignee: NEXGEN POWER SYSTEMS, INC.
    Inventors: Clifford Drowley, Ray Milano, Subhash Srinivas Pidaparthi, Andrew P. Edwards, Hao Cui, Shahin Sharifzadeh
  • Patent number: 11322492
    Abstract: A semiconductor device includes a ring-shaped gate electrode having an opening area disposed on a substrate, a source region and a bulk tap region disposed in the opening area, a well region disposed to overlap the ring-shaped gate electrode, a drift region disposed to be in contact with the well region, a first insulating isolation region disposed, on the drift region, to partially overlap the gate electrode, a second insulating isolation region enclosing the bulk tap region, a drain region disposed to be spaced apart from the ring-shaped gate electrode, and a deep trench isolation region disposed adjacent to the drain region.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: May 3, 2022
    Assignee: KEY FOUNDRY CO., LTD.
    Inventor: Hyun Kwang Shin
  • Patent number: 11322584
    Abstract: A semiconductor device includes a semiconductor substrate, an upper diffusion region and a lower diffusion region. The semiconductor substrate has a main surface. The upper diffusion region of a first conductivity type is disposed close to the main surface of the semiconductor device. The lower diffusion region of a second conductivity type is disposed up to a position deeper than the upper diffusion region in a depth direction of the semiconductor substrate from the main surface as a reference, and has a higher impurity concentration than the semiconductor substrate. A diode device is provided by having a PN junction surface at an interface between the upper diffusion region and the lower diffusion region, and the PN junction surface has a curved surface disposed at a portion opposite to the main surface.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 3, 2022
    Assignee: DENSO CORPORATION
    Inventors: Shin Takizawa, Yusuke Nonaka, Shinichirou Yanagi, Atsushi Kasahara, Shogo Ikeura
  • Patent number: 11322624
    Abstract: The present disclosure is related to a detection apparatus. The detection apparatus may include a gate insulating layer. The gate insulating layer may include at least a first layer and a second layer opposite the first layer. A plurality of protruding structures may be provided on a surface of the first layer facing the second layer and/or a surface of the second layer facing the first layer. The first layer and the second layer of the gate insulating layer may be connected through the protruding structures.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: May 3, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Peng, Wenbin Jia, Zhijie Ye, Yue Hu, Xiang Wan, Xinxin Wang, Yulin Wang
  • Patent number: 11309503
    Abstract: A transistor manufacturing method includes forming a source electrode and a drain electrode on a substrate, forming a layer including an insulator layer to cover the source electrode and the drain electrode, and forming a gate electrode on the layer including the insulator layer, wherein the forming the gate electrode includes forming a plating base film, forming a protection layer of the plating base film, forming a photoresist layer on the protection layer to expose the photoresist layer with desired patterning light, causing the exposed photoresist layer to come into contact with a developer to remove the photoresist layer and the protection layer until the plating base film is uncovered corresponding to the patterning light, and after depositing a metal on the uncovered plating base film, causing an electroless plating solution to come into contact with the plating base film to perform electroless plating.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: April 19, 2022
    Assignee: NIKON CORPORATION
    Inventors: Shohei Koizumi, Takashi Sugizaki, Yusuke Kawakami
  • Patent number: 11309436
    Abstract: A semiconductor memory device includes, a stack structure, and a channel structure passing through the stack structure, wherein the channel structure includes a channel layer passing through the stack structure and a memory layer surrounding the channel layer, the stack structure includes a gate contacting the channel layer, and the channel layer and the gate form a Schottky junction.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: April 19, 2022
    Assignee: SK hynix Inc.
    Inventors: Dong Uk Lee, Hae Chang Yang
  • Patent number: 11309456
    Abstract: This invention provides a nitride semiconductor light emitting device in which current concentration is suppressed without excessively increasing resistance at a low cost without increasing a manufacturing process. The planar shape of a mesa portion configuring a nitride semiconductor light emitting device is a shape containing a convex-shaped tip portion 352b formed by a curved line or a plurality of straight lines and abase portion 352a continuous to the convex-shaped tip portion 352b, in which an obtuse angle is formed by adjacent two straight lines in the convex-shaped tip portion formed by the plurality of straight lines. The first electrode layer 4 has visible outlines 411 and 412 along a visible outline 302 of the mesa portion through a gap 9 in planar view. The relationship between a gap W1 in the convex-shaped tip portion 352b and a gap W2 in the base portion 352a is W1>W2.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: April 19, 2022
    Assignee: Asahi Kasel Kabushiki Kaisha
    Inventor: Kosuke Sato
  • Patent number: 11309327
    Abstract: Embodiments of a channel hole plug structure of 3D memory devices and fabricating methods thereof are disclosed. The memory device includes an alternating layer stack disposed on a substrate, an insulating layer disposed on the alternating dielectric stack, a channel hole extending vertically through the alternating dielectric stack and the insulating layer, a channel structure including a channel layer in the channel hole, and a channel hole plug in the insulating layer and above the channel structure. The channel hole plug is electrically connected with the channel layer. A projection of the channel hole plug in a lateral plane covers a projection of the channel hole in the lateral plane.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: April 19, 2022
    Assignee: Yangtze Memory Technologies Co., Ltd.
    Inventors: Li Hong Xiao, Zhenyu Lu, Qian Tao, Yushi Hu, Jun Chen, LongDong Liu, Meng Wang
  • Patent number: 11309262
    Abstract: The present application relates to a technical field of semiconductors, and discloses a device having a physically unclonable function, a method for manufacturing same, and a chip using same.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: April 19, 2022
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventors: Dong Wang, Xiao Yan Bao, Tian Hua Dong, Guang Ning Li
  • Patent number: 11271116
    Abstract: A semiconductor device includes a stack of layers stacked vertically and including a source layer, a drain layer and a channel layer between the source layer and the drain layer. A gate electrode is formed in a common plane with the channel layer and a gate dielectric is formed vertically between the gate electrode and the channel layer. A first contact contacts the stack of layers on a first side of the stack of layers, and a second contact formed on an opposite side vertically from the first contact.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 8, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Effendi Leobandung
  • Patent number: 11244725
    Abstract: Various embodiments include methods and apparatuses, such as memory cells formed on two or more stacked decks. A method includes forming a first deck with first levels of conductor material and first levels of dielectric material over a substrate. Each level of the conductor material is separated from an adjacent level of conductor material by at least one of the first levels of dielectric material. A first opening is formed through the first levels of conductor material and dielectric material. A sacrificial material is formed at least partially filling the first opening. A second deck is formed over the first deck. The second deck has second levels of conductor material and second levels of dielectric material with each level of the conductor material being separated from an adjacent level of conductor material by at least one of the second levels of dielectric material. Additional apparatuses and methods are disclosed.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: February 8, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Akira Goda, Roger W. Lindsay
  • Patent number: 11239369
    Abstract: A semiconductor device includes a stack of layers stacked vertically and including a source layer, a drain layer and a channel layer between the source layer and the drain layer. A gate electrode is formed in a common plane with the channel layer and a gate dielectric is formed vertically between the gate electrode and the channel layer. A first contact contacts the stack of layers on a first side of the stack of layers, and a second contact formed on an opposite side vertically from the first contact.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 1, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Effendi Leobandung
  • Patent number: 11239347
    Abstract: Method for making a transistor, comprising: making, on a substrate, a gate surrounded by a dielectric material; depositing a stop layer on the gate and the dielectric material; etching the stop layer in accordance with an active region pattern, forming a channel location located on the gate; etching the dielectric material located in the active region pattern, forming source and drain locations; depositing a semimetal material in the channel, source and drain locations; planarizing the semimetal material; crystallizing the semimetal material, forming the channel and the source and drain; and wherein the semimetal material of the channel is semiconductive and the semimetal material of the source and drain is electrically conductive.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: February 1, 2022
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Jean-Pierre Colinge, Yves Morand
  • Patent number: 11233180
    Abstract: A light emitting diode (LED) device may include an LED die having a first surface on a substrate. A first phosphor layer may be formed on a second surface and sides of the LED die. The second surface may be opposite the first surface. A second phosphor layer may be formed on the first phosphor layer. The second phosphor layer may have a peak emission wavelength (Lpk2) located between a peak emission wavelength of the LED die (LpkD) and a peak emission wavelength of the first phosphor layer (Lpk2).
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 25, 2022
    Assignee: LUMILEDS LLC
    Inventors: Hans-Helmut Bechtel, Gregoire Denis, Erik Maria Roeling, Danielle Russell Chamberlin, Sumit Gangwal