Patents Examined by Dao H. Nguyen
  • Patent number: 11735692
    Abstract: Methods, systems, and apparatuses are described for a CMOS compatible substrate having multiple stacks of semiconductor layers. The multiple stacks, at least, each include i) a layer of a tellurium based semiconductor layer on top of ii) a porous silicon layer. The porous silicon layer is a compliant layer to accept structural defects from the tellurium based semiconductor layer into the porous silicon layer. The multiple stacks are grown on the CMOS compatible substrate.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: August 22, 2023
    Assignee: SRI International
    Inventor: Winston K. Chan
  • Patent number: 11728338
    Abstract: Integrated circuit (IC) chips and seal ring structures are provided. An IC chip according to the present disclosure includes a device region, an inner ring surrounding the device region, an outer ring surrounding the inner ring, a first corner area between an outer corner of the inner ring and an inner corner of the outer ring, and a second corner area disposed at an outer corner of the outer ring. The first corner area includes a first active region including a channel region and a source/drain region, a first gate structure over the channel region of the first active region, and a first source/drain contact over the source/drain region of the first active region. The first source/drain contact continuously extends from a first edge of the first corner area to a second edge of the first corner area.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: August 15, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun Yu Chen, Yen Lian Lai
  • Patent number: 11721597
    Abstract: A semiconductor device and a method for detecting a defect in a semiconductor device are provided. The semiconductor device includes a packaging structure. The packaging structure includes a redistribution layer and a detecting component disposed in the redistribution layer. The semiconductor device further includes a cooling plate over the packaging structure and a fixing component penetrating through the packaging structure and the cooling plate. The packaging structure and the cooling plate are fixed by the fixing component. The detecting component is in a chain configuration having a ring shaped structure circling around the fixing component.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: August 8, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yang-Che Chen, Chen-Hua Lin, Victor Chiang Liang, Huang-Wen Tseng, Chwen-Ming Liu
  • Patent number: 11721626
    Abstract: Semiconductor device and the manufacturing method thereof are disclosed. An exemplary semiconductor device comprises a dielectric layer formed over a power rail; a bottom semiconductor layer formed over the dielectric layer; a backside spacer formed along a sidewall of the bottom semiconductor layer; a conductive feature contacting a sidewall of the dielectric layer and a sidewall of the backside spacer; channel semiconductor layers over the bottom semiconductor layer, wherein the channel semiconductor layers are stacked up and separated from each other; a metal gate structure wrapping each of the channel semiconductor layers; and an epitaxial source/drain (S/D) feature contacting a sidewall of each of the channel semiconductor layers, wherein the epitaxial S/D feature contacts the conductive feature, and the conductive feature contacts the power rail.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: August 8, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Yu Huang, Chia-Hsien Yao, Fu-Kai Yang, Mei-Yun Wang
  • Patent number: 11723200
    Abstract: A semiconductor device includes a first substrate including a cell region and surrounded by an extension region, a common source plate on the first substrate, a supporter on the common source plate, a first stack structure on the supporter and including an alternately stacked first insulating film and first gate electrode, a channel hole penetrating the first stack structure, the supporter, and the common source plate on the cell region, and an electrode isolation trench spaced apart from the channel hole in a first direction on the cell region, extending in a second direction, and penetrating the first stack structure, the supporter, and the common source plate, wherein a first thickness of the supporter in a first region adjacent to the electrode isolation trench is greater than a second thickness of the supporter in a second region formed between the electrode isolation trench and the channel hole.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Min Kim, Jin Hyuk Kim, Jung Tae Sung, Joong Shik Shin, Sung Hyung Lee
  • Patent number: 11710698
    Abstract: A layout for a 6T SRAM cell array is disclosed. The layout doubles the number of bits per bit cell in the array by implementing dual pairs of bitlines spanning bit cell columns in the array. Alternating connections (e.g., alternating vias) may be provided for wordline access to the bitlines in the layout. Alternating the connections may reduce RC delay in the layout.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 25, 2023
    Assignee: Advanced Micro Devices, Inc.
    Inventors: John J. Wuu, Richard T. Schultz
  • Patent number: 11705414
    Abstract: A semiconductor packaging structure includes a die including a bond pad and a first metal layer structure disposed on the die, the first metal layer structure having a first width, the first metal layer structure including a first metal layer, the first metal layer electrically coupled to the bond pad. The semiconductor packaging structure also includes a first photosensitive material around sides of the first metal layer structure and a second metal layer structure disposed over the first metal layer structure and over a portion of the first photosensitive material, the second metal layer structure electrically coupled to the first metal layer structure, the second metal layer structure having a second width, where the second width is greater than the first width. Additionally, the semiconductor packaging structure includes a second photosensitive material around sides of the second metal layer structure.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: July 18, 2023
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Sreenivasan K. Koduri
  • Patent number: 11699700
    Abstract: An integrated circuit device including an active region; an active cutting region at a side of the active region in a first direction; a fin active pattern extending on the active region in the first direction, the fin active pattern including a source region and a drain region; a gate pattern extending across the active region and the fin active pattern in a second direction perpendicular to the first direction, the gate pattern not being in the active cutting region; and an isolated gate contact region in contact with the gate pattern outside of the active region.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jinhyeok Song, Mingeun Song
  • Patent number: 11695041
    Abstract: A semiconductor device including an active pattern on a substrate and extending lengthwise in a first direction parallel to an upper surface of the substrate; a gate structure on the active pattern, the gate structure extending in a second direction parallel to the upper surface of the substrate and crossing the first direction; channels spaced apart from each other along a third direction perpendicular to the upper surface of the substrate, each of the channels extending through the gate structure along the first direction; a source/drain layer on a portion of the active pattern adjacent to the gate structure in the first direction, the source/drain layer contacting the channels; inner spacers between the gate structure and the source/drain layer, the inner spacers contacting the source/drain layer; and channel connection portions between each of the inner spacers and the gate structure, the channel connection portions connecting the channels with each other.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangsu Kim, Junbeom Park, Junggil Yang
  • Patent number: 11688646
    Abstract: A method is presented for reducing capacitance coupling. The method includes forming a nanosheet stack including alternating layers of a first material and a second material over a substrate, forming a source/drain epi for a first device, depositing a sacrificial material over the source/drain epi, forming a source/drain epi for a second device over the sacrificial material, and removing the sacrificial material to define an airgap directly between the source/drain epi for the first device and the source/drain epi for the second device.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: June 27, 2023
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ruilong Xie, Alexander Reznicek, Chanro Park, Chun-Chen Yeh
  • Patent number: 11688630
    Abstract: Disclosed herein are apparatuses and methods that include a shallow trench isolation filling structure. An example method includes: etching a semiconductor substrate to form a plurality of pillars and a trench therebetween; providing rinse solution in the trench; adding a plurality of insulating particles into the rinse solution; and removing the rinse solution such that the insulating particles and an air gap remains in the trench.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: June 27, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Nobuyoshi Sato
  • Patent number: 11688820
    Abstract: The subject matter of this specification can be embodied in, among other things, a photodetector that includes a semiconductor substrate, a semiconductor annulus on a planar face of the semiconductor substrate, and a metal layer on the semiconductor substrate, wherein the metal layer comprises a first region surrounding the semiconductor annulus and comprises a second region filling an interior region to the semiconductor annulus, and the metal layer in the first region forms a Schottky junction with the semiconductor ring.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: June 27, 2023
    Assignee: Regents of the University of Minnesota
    Inventors: Sang-Hyun Oh, Daehan Yoo
  • Patent number: 11688741
    Abstract: A semiconductor device is provided. The semiconductor device includes a semiconductor substrate; a transistor stack structure formed on the semiconductor substrate, the transistor stack structure including a first FET and a second FET, where the first FET is a different polarity than the second FET; a first source-drain epitaxial layer of the first FET formed directly on the substrate adjacent to the first FET; and a second source-drain epitaxial layer of the second FET formed on the substrate adjacent to the second FET, wherein a bottom dielectric isolation layer is formed between the substrate and the second epitaxial layer.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: June 27, 2023
    Assignee: International Business Machines Corporation
    Inventors: Andrew M. Greene, Julien Frougier, Jingyun Zhang, Sung Dae Suk, Veeraraghavan S. Basker, Ruilong Xie
  • Patent number: 11682666
    Abstract: An integrated circuit device includes a substrate having a first intellectual property (IP) core including a cell region and a first edge dummy region, fin-type active regions protruding from the cell region, dummy fin-type active regions protruding from the first edge dummy region, gate lines extending, over the cell region of the substrate, the gate lines including two adjacent gate lines spaced apart from each other with a first pitch and two adjacent gate lines spaced apart with a second pitch greater than the first pitch, dummy gate lines over the first edge dummy region of the substrate and equally spaced apart from each other with the first pitch.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jina Lee, Hyungjoo Youn
  • Patent number: 11682733
    Abstract: The transistor includes a first gate electrode, a first insulating film over the first gate electrode, an oxide semiconductor film over the first insulating film, a source electrode over the oxide semiconductor film, a drain electrode over the oxide semiconductor film, a second insulating film over the oxide semiconductor film, the source electrode, and the drain electrode, and a second gate electrode over the second insulating film. The first insulating film includes a first opening. A connection electrode electrically connected to the first gate electrode through the first opening is formed over the first insulating film. The second insulating film includes a second opening that reaches the connection electrode. The second gate electrode includes an oxide conductive film and a metal film over the oxide conductive film. The connection electrode and the second gate electrode are electrically connected to each other through the metal film.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: June 20, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshiaki Oikawa, Nobuharu Ohsawa, Masami Jintyou, Yasutaka Nakazawa
  • Patent number: 11676901
    Abstract: A semiconductor device includes a lower wafer including a first substrate, a first dielectric layer that is defined on the first substrate, and a first wiring line that is defined in the first dielectric layer; an upper wafer including a second substrate, an isolation layer that is defined in an upper surface of the second substrate, a second dielectric layer, bonded to an upper surface of the first dielectric layer, that covers a lower surface of the second substrate and that includes at least one portion defined in the lower surface of the second substrate below and in contact with the isolation layer, and a third dielectric layer that is defined on the upper surface of the second substrate, and a second wiring line that is defined on the third dielectric layer; and a through via passing through, under the second wiring line, the third dielectric layer, the isolation layer, the second dielectric layer under the isolation layer and the first dielectric layer, and coupling the second wiring line and the first
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: June 13, 2023
    Assignee: SK hynix Inc.
    Inventor: Sung Lae Oh
  • Patent number: 11677014
    Abstract: A semiconductor structure includes a semiconductor fin protruding from a substrate and oriented lengthwise along a first direction, a dielectric fin disposed over the substrate and oriented lengthwise along a second direction perpendicular to the first direction, where the dielectric fin defines a sidewall of the semiconductor fin along the second direction and where the dielectric fin includes a first dielectric layer disposed over a second dielectric layer that differs from the first dielectric layer in composition, and a metal gate stack disposed over the semiconductor fin and oriented lengthwise along the second direction.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 13, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chun-Hao Hsu, Yu-Chun Ko, Yu-Chang Liang, Kao-Ting Lai
  • Patent number: 11670676
    Abstract: An integrated circuit device includes: a fin-type active region on a substrate and including a fin top surface at a first level; a gate line on the fin-type active region; and an insulating structure on a sidewall of the fin-type active region. The insulating structure includes: a first insulating liner in contact with a sidewall of the fin-type active region; a second insulating liner on the first insulating liner and including an uppermost portion at a second level c than the first level; a lower buried insulating layer facing the sidewall of the fin-type active region and including a first top surface facing the gate line at a third level lower than the second level; and an upper buried insulating layer between the lower buried insulating layer and the gate line and including a second top surface at a fourth level equal to or higher than the second level.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: June 6, 2023
    Inventors: Sunki Min, Donghyun Roh, Chaeho Na
  • Patent number: 11664310
    Abstract: A semiconductor device including transistors on a substrate, a first interlayer insulating layer on the transistors, a first lower interconnection line and a second lower interconnection line in an upper portion of the first interlayer insulating layer, a dielectric layer being selectively on a top surface of the first interlayer insulating layer except top surfaces of the first and second lower interconnection lines, an etch stop layer on the first and second lower interconnection lines and the dielectric layer, a second interlayer insulating layer on the etch stop layer, and an upper interconnection line in the second interlayer insulating layer may be provided.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: May 30, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui Bok Lee, Donggon Yoo, Wandon Kim
  • Patent number: 11664307
    Abstract: A multi-voltage domain device includes a semiconductor layer including a first main surface, a second main surface arranged opposite to the first main surface, a first region including first circuity that operates in a first voltage domain, a second region including second circuity that operates in a second voltage domain different than the first voltage domain, and an isolation region that electrically isolates the first region from the second region in a lateral direction that extends parallel to the first and the second main surfaces. The isolation region includes at least one deep trench isolation barrier, each of which extends vertically from the first main surface to the second main surface. The multi-voltage domain device further includes at least one first capacitor configured to generate an electric field laterally across the isolation region between the first region and the second region.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: May 30, 2023
    Assignee: Infineon Technologies Austria AG
    Inventors: Lars Mueller-Meskamp, Berthold Astegher, Hermann Gruber, Thomas Christian Neidhart