Patents Examined by Shouxiang Hu
  • Patent number: 11832443
    Abstract: Apparatuses and methods for manufacturing semiconductor memory devices are described.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: November 28, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Yutaka Nakae
  • Patent number: 11824027
    Abstract: The present disclosure provides a semiconductor package including a semiconductor chip and a package substrate. The semiconductor chip includes a substrate, a plurality of conductive pads in the substrate, and a plurality of conductive bumps. Each of the conductive bumps is over corresponding conductive pad. At least one of the conductive bumps proximity to an edge of the semiconductor chip is in contact with at least two discrete regions of the corresponding conductive pad. The package substrate has a concave surface facing the semiconductor chip and joining the semiconductor chip through the plurality of conductive bumps.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: November 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventor: Shih-Cheng Chang
  • Patent number: 11823951
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes forming a bit line on a substrate, forming a first dielectric layer over the substrate and surrounding a lower portion of the bit line, forming a second dielectric layer over the bit line and the first dielectric layer, forming a contact over the second dielectric layer, wherein a height of the contact above the substrate is greater than a height of the first dielectric layer above the substrate, removing the first dielectric layer and the second dielectric layer, and forming a third dielectric layer conformally over the bit line, the substrate and the contact, thereby forming an air gap between the contact and the bit line.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: November 21, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Yao-Hsiung Kung
  • Patent number: 11823947
    Abstract: An integrated circuit includes an N-type laterally diffused metal-oxide semiconductor (NLDMOS) transistor including an active semiconductor substrate region having P-type conductivity. The integrated circuit further includes a buried semiconductor region having N+-type conductivity underneath the active substrate region. The buried semiconductor region is more heavily doped than the active semiconductor substrate region.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: November 21, 2023
    Assignee: STMicroelectronics (Crolles 2) SAS
    Inventor: Jean Jimenez Martinez
  • Patent number: 11825644
    Abstract: A semiconductor memory device includes a substrate, at least one word line, a plurality of bit lines and a plurality of insulating structures. The word line is disposed in the substrate, extends along a first direction, and includes a gate cap layer. The bit lines are disposed on the substrate and respectively extend along a second direction. The bit line crosses the word line, and includes a conductive layer. The insulating structures are disposed on the word line and respectively disposed between the bit lines. The bottom surface of the insulating structure is located in the gate cap layer. The area of the top surface of the insulating structure is larger than the area of the bottom surface of the insulating structure.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: November 21, 2023
    Inventors: Janbo Zhang, Yu-Cheng Tung
  • Patent number: 11818914
    Abstract: A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventors: Takayasu Suzuki, Toshihiro Sato
  • Patent number: 11812603
    Abstract: A microelectronic device comprises semiconductive pillar structures each individually comprising a digit line contact region disposed laterally between two storage node contact regions. At least one semiconductive pillar structure of the semiconductive pillar structures comprises a first end portion comprising a first storage node contact region, a second end portion comprising a second storage node contact region, and a middle portion between the first end portion and the second end portion and comprising a digit line contact region, a longitudinal axis of the first end portion oriented at an angle with respect to a longitudinal axis of the middle portion. Related microelectronic devices, electronic systems, and methods are also described.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: November 7, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Si-Woo Lee, Scott L. Light, Song Guo
  • Patent number: 11791334
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to heterojunction bipolar transistors (HBTs) with a buried trap rich isolation region and methods of manufacture. The structure includes: a first heterojunction bipolar transistor; a second heterojunction bipolar transistor; and a trap rich isolation region embedded within a substrate underneath both the first heterojunction bipolar transistor and the second heterojunction bipolar transistor.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 17, 2023
    Assignee: GLOBALFOUNDRIES U.S. INC.
    Inventors: Vibhor Jain, John J. Ellis-Monaghan, Anthony K. Stamper, Steven M. Shank, John J. Pekarik
  • Patent number: 11776996
    Abstract: An ESD protection device includes a semiconductor body having an upper surface, a plurality of p-type wells that each extend from the upper surface into the semiconductor body, a plurality of n-type wells that each extend from the upper surface into the semiconductor body, first isolation regions comprising an electrical insulator that laterally surrounds the p-type wells and extends from the upper surface into the semiconductor body at least as deep as the p-type wells, and second isolation regions comprising an electrical insulator that laterally surrounds the n-type wells and extends from the upper surface into the semiconductor body at least as deep as the n-type wells, wherein the p-type wells and the n-type wells alternate with one another a first direction, and wherein an isolating area of the first isolation regions is greater than an isolating area of the second isolation regions.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: October 3, 2023
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Egle Tylaite, Joost Adriaan Willemen
  • Patent number: 11776953
    Abstract: Provided is an n-channel BiMOS semiconductor device having a trench gate structure, the n-channel BiMOS semiconductor device including: an n+ drain layer; a parallel pn layer including n? drift and p pillar layers joined alternately; a composite layer including a p base layer and an n+ source layer, the n+ drain layer, the parallel pn layer, and the composite layer being provided in order; a high-resistance layer provided between a portion of the p base layer above the p pillar layer and the n+ source layer; and a high-resistance layer provided between the p pillar layer and the p base layer, the p pillar layer having an impurity concentration lower than that of the n? drift layer.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: October 3, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasuhiro Maeda, Yoshinari Tsukada, Shinya Maita, Genki Nakamura, Yuki Negoro
  • Patent number: 11765882
    Abstract: The present application discloses a method for fabricating a semiconductor device. The method for fabricating a semiconductor device includes providing a substrate comprising a center area and a peripheral area surrounding the center area, forming a first gate stack on the peripheral area and having a top surface, and forming an active column in the center area and having a top surface at a same vertical level as the top surface of the first gate stack.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: September 19, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Shing-Yih Shih
  • Patent number: 11756864
    Abstract: A semiconductor device and a method of forming the same are provided. A method includes forming a gate over a semiconductor structure. An epitaxial source/drain region is formed adjacent the gate. A dielectric layer is formed over the epitaxial source/drain region. An opening extending through the dielectric layer and exposing the epitaxial source/drain region is formed. A conductive material is non-conformally deposited in the opening. The conductive material fills the opening in a bottom-up manner.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Mrunal A Khaderbad, Yasutoshi Okuno, Sung-Li Wang, Pang-Yen Tsai, Shen-Nan Lee, Teng-Chun Tsai
  • Patent number: 11749684
    Abstract: A circuit device includes an N-type well on a P-type substrate, a P-type well provided in the N-type well, a circuit element provided in the P-type well, a P-type well provided in an N-type well, and a circuit element provided in the P-type well. A ground power supply voltage is supplied to a P-type well. A power supply voltage different from the ground power supply voltage is supplied to a P-type well. The ground power supply voltage or a first potential that is greater than or equal to the potential of the ground power supply voltage and less than the potential of a high potential-side power supply voltage is supplied to an N-type well.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: September 5, 2023
    Inventors: Kei Ishimaru, Atsushi Yamada
  • Patent number: 11742414
    Abstract: A semiconductor device is provided. The semiconductor device includes a semiconductor substrate; fins on the semiconductor substrate; an isolation layer formed on the semiconductor substrate and between adjacent fins; and gate structures on sides of the isolation layer. The isolation layer has a top surface higher than top surfaces of the fins and passes through the fins along a direction perpendicular to an extending direction of the fins and in parallel with a surface of the semiconductor substrate.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: August 29, 2023
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, SMIC New Technology Research and Development (Shanghai) Corporation
    Inventor: Fei Zhou
  • Patent number: 11728333
    Abstract: A semiconductor device includes a first-conductivity-type semiconductor layer that includes a first main surface on one side and a second main surface on the other side, an IGBT region that includes an FET structure and a second-conductivity-type collector region formed in a surface layer portion of the second main surface, the FET structure including a second-conductivity-type body region formed in a surface layer portion of the first main surface, a first-conductivity-type emitter region formed in a surface layer portion of the body region, and a gate electrode that faces both the body region and the emitter region across a gate insulating layer, a diode region that includes a second-conductivity-type first impurity region formed in the surface layer portion of the first main surface and a first-conductivity-type second impurity region formed in the surface layer portion of the second main surface, a boundary region that includes a second-conductivity-type well region formed in the surface layer portion of
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: August 15, 2023
    Assignee: ROHM CO., LTD.
    Inventor: Shinya Umeki
  • Patent number: 11699617
    Abstract: The present application provides a method for fabricating a semiconductor device including providing a substrate, concurrently forming a first conductive line and a bottom contact on the substrate, concurrently forming a first conductive line spacer on a sidewall of the first conductive line and a bottom contact spacer on a sidewall of the bottom contact, forming a first insulating layer over the substrate and concurrently forming an air gap between the first conductive line spacer and the bottom contact spacer.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: July 11, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Tse-Yao Huang
  • Patent number: 11699616
    Abstract: A method for producing a layer of solid material includes: providing a solid body having opposing first and second surfaces, the second surface being part of the layer of solid material; generating defects by means of multiphoton excitation caused by at least one laser beam penetrating into the solid body via the second surface and acting in an inner structure of the solid body to generate a detachment plane, the detachment plane including regions with different concentrations of defects; providing a polymer layer on the solid body; and generating mechanical stress in the solid body such that a crack propagates in the solid body along the detachment plane and the layer of solid material separates from the solid body along the crack.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: July 11, 2023
    Assignee: Siltectra GmbH
    Inventors: Wolfram Drescher, Jan Richter, Christian Beyer
  • Patent number: 11695004
    Abstract: A semiconductor device or circuit includes a vertical bipolar junction transistor (vBJT) and a vertical filed effect transistor (vFET). The vBJT collector is electrically and/or physically connected to an adjacent vFET source. For example, a vBJT collector and a vFET source may be integrated upon a same semiconductor material substrate or layer. The vFET provides negative feedback for the collector-base voltage and the vBJT emitter and collector allow for low transit times.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: July 4, 2023
    Assignee: International Business Machines Corporation
    Inventors: Alexander Reznicek, Ruilong Xie, Jeng-Bang Yau, Bahman Hekmatshoartabari
  • Patent number: 11683929
    Abstract: Embodiments herein describe techniques for a semiconductor device including a capacitor and a transistor above the capacitor. A contact electrode may be shared between the capacitor and the transistor. The capacitor includes a first plate above a substrate, and the shared contact electrode above the first plate and separated from the first plate by a capacitor dielectric layer, where the shared contact electrode acts as a second plate for the capacitor. The transistor includes a gate electrode above the substrate and above the capacitor; a channel layer separated from the gate electrode by a gate dielectric layer, and in contact with the shared contact electrode; and a source electrode above the channel layer, separated from the gate electrode by the gate dielectric layer, and in contact with the channel layer. The shared contact electrode acts as a drain electrode of the transistor. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: June 20, 2023
    Assignee: Intel Corporation
    Inventors: Travis W. Lajoie, Abhishek Sharma, Van H. Le, Chieh-Jen Ku, Pei-Hua Wang, Jack T. Kavalieros, Bernhard Sell, Tahir Ghani, Juan Alzate Vinasco
  • Patent number: 11683927
    Abstract: A method used in forming integrated circuitry comprises forming conductive line structures having conductive vias laterally between and spaced longitudinally along immediately-adjacent of the conductive line structures. First insulating material is formed laterally between immediately-adjacent of the conductive vias. Second insulating material is formed directly above the first insulating material and directly above the conductive vias. The second insulating material comprises silicon, carbon, nitrogen, and hydrogen. A third material is formed directly above the second insulating material. The third material and the second insulating material comprise different compositions relative one another. The third material is removed from being directly above the second insulating material and the thickness of the second insulating material is reduced thereafter. A fourth insulating material is formed directly above the second insulating material of reduced thickness.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: June 20, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Hitoshi Ishigami, Kentaro Hyodo