Patents Examined by Dao H. Nguyen
  • Patent number: 11876117
    Abstract: A field effect transistor includes a gate structure formed adjacent to a source/drain region, and a spacer structure formed between the gate structure and the source/drain region. The spacer structure includes a top spacer and a bottom spacer, the top spacer includes an airgap having a bottom portion that is wider than a top portion. The wider bottom portion of the airgap is located between the gate structure and the source/drain region.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 16, 2024
    Assignee: International Business Machines Corporation
    Inventor: Kangguo Cheng
  • Patent number: 11876119
    Abstract: Semiconductor structures and the manufacturing method thereof are disclosed. An exemplary manufacturing method includes providing a workpiece that includes a substrate, first channel members and second channel members over the substrate, a first gate structure engaging the first channel members, a second gate structure engaging the second channel members, a dielectric fin disposed between the first and second gate structures, an isolation feature disposed under the dielectric fin. The method also includes forming a metal cap layer at the frontside of the workpiece and depositing a dielectric feature on the dielectric fin. The dielectric feature dividing the metal cap layer into a first segment and a second segment. The method also includes etching the isolation feature to form a trench at the backside of the substrate, depositing a spacer on sidewalls of the trench, etching the dielectric fin from the trench, and depositing a seal layer in the trench.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: January 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chien Cheng, Kuo-Cheng Chiang, Shi Ning Ju, Guan-Lin Chen, Jia-Chuan You, Chia-Hao Chang, Chih-Hao Wang, Kuan-Lun Cheng
  • Patent number: 11875989
    Abstract: A semiconductor device including a first semiconductor section including a first wiring layer at one side thereof, the first semiconductor section further including a photodiode, a second semiconductor section including a second wiring layer at one side thereof, the first and second semiconductor sections being secured together, a third semiconductor section including a third wiring layer at one side thereof, the second and the third semiconductor sections being secured together such the first semiconductor section, second semiconductor section, and the third semiconductor section are stacked together, and a first conductive material electrically connecting at least two of (i) the first wiring layer, (ii) the second wiring layer, and (iii) the third wiring layer such that the electrically connected wiring layers are in electrical communication.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: January 16, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Taku Umebayashi, Keiji Tatani, Hajime Inoue, Ryuichi Kanamura
  • Patent number: 11871580
    Abstract: A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers located over a substrate, an array of memory opening fill structures located within an array of memory openings vertically extending through the alternating stack, and a drain-select-level isolation structure vertically extending through drain-select-level electrically conductive layers between two rows of memory opening fill structures. The drain-select-level isolation structure may comprise a low-k dielectric material or an air gap.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: January 9, 2024
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Peng Zhang, Yanli Zhang, Xiang Yang, Koichi Matsuno, Masaaki Higashitani, Johann Alsmeier
  • Patent number: 11871645
    Abstract: The present disclosure relates to a display substrate, a display device and a manufacturing method of the display substrate. The display substrate includes: a stretchable base including a plurality of opening patterns distributed along a surface of the stretchable base, wherein each of the plurality of opening patterns includes a plurality of opening areas, a plurality of bridge areas configured to enclose a first island area are formed between adjacent opening areas among the plurality of opening areas, and each of the plurality of opening patterns is configured to enclose a plurality of second island areas with at least two adjacent opening patterns; a plurality of display units respectively arranged on the first island area and the plurality of second island areas; and a plurality of signal lines respectively connected between the plurality of display units and respectively arranged in the plurality of bridge areas.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: January 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengguang Ban, Shuilang Dong, Qingzhao Liu
  • Patent number: 11869935
    Abstract: A semiconductor device and a method of fabricating same are disclosed. The semiconductor device includes: an SOI substrate including, stacked from the bottom upward, a lower substrate, a buried insulator layer and a semiconductor layer, wherein active regions surrounded by trench isolation structures are formed in the semiconductor layer; a gate electrode layer formed over the semiconductor layer, the gate electrode layer extending from active regions to trench isolation structures; and a source region and a drain region formed in the active regions that are on opposing sides of the gate electrode layer, wherein at least one end portion of the gate electrode layer laterally spans over interfaces of the active regions and the trench isolation structures toward the source region and/or the drain region. Thereby leakage at the interfaces of the active regions and the trench isolation structures can be reduced, resulting in improved performance of the semiconductor device.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 9, 2024
    Assignee: WUHAN XINXIN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Le Li
  • Patent number: 11862575
    Abstract: A semiconductor device includes a crack detection ring and a crack detection structure. The semiconductor device comprises a first seal-ring surrounding a circuit region; a crack detection ring surrounding the first seal-ring; a second seal-ring surrounding the first seal-ring and the crack detection ring; a connection part connecting the first seal-ring and the crack detection ring; and a crack detection structure disposed in the circuit region and electrically connected to the crack detection ring.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 2, 2024
    Assignee: SK hynix Inc.
    Inventor: Sung Ryong Lee
  • Patent number: 11862680
    Abstract: An electrostatic discharge protection structure for a nitride-based device having an active region, an electrostatic discharge protection region outside the active region for forming the electrostatic discharge protection structure, and a field plate formed in the active region is provided. The electrostatic discharge protection structure includes a channel layer, and a barrier layer, a first p-type nitride layer and a metal layer formed on the channel layer in such order. The metal layer is electrically connected to the field plate in the active region. A nitride-based device having the electrostatic discharge protection structure and a method for manufacturing a nitride-based device is also disclosed.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 2, 2024
    Assignee: HUNAN SAN'AN SEMICONDUCTOR CO., LTD.
    Inventors: Ning Xu, Wenbi Cai, Cheng Liu, Yuci Lin, Nientze Yeh
  • Patent number: 11862560
    Abstract: A package structure includes a semiconductor die and a first redistribution circuit structure. The first redistribution circuit structure is disposed on and electrically connected to the semiconductor die, and includes a first build-up layer. The first build-up layer includes a first metallization layer and a first dielectric layer laterally wrapping the first metallization layer, wherein at least a portion of the first metallization layer is protruded out of the first dielectric layer.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Wei-Chih Chen
  • Patent number: 11862749
    Abstract: An integrated module assembly can include: an optical integrated circuit having first and second optical devices; a PCB having first and second holes therein, where the optical integrated circuit is coupled upside down to a first side of the PCB; and first and second lenses coupled to a second side of the PCB, where the first and second sides of the PCB are opposite thereto; and where the first lens is in alignment with the first hole and the first optical device, and the second lens is in alignment with the second hole and the second optical device.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: January 2, 2024
    Assignee: Adesto Technologies Corporation
    Inventor: Bard M. Pedersen
  • Patent number: 11855177
    Abstract: The structure of a semiconductor device with dual silicide contact structures and a method of fabricating the semiconductor device are disclosed. A method of fabricating the semiconductor device includes forming first and second fin structures on a substrate, forming first and second epitaxial regions on the first and second fin structures, respectively, forming first and second contact openings on the first and second epitaxial regions, respectively, selectively forming an oxide capping layer on exposed surfaces of the second epitaxial region, selectively forming a first metal silicide layer on exposed surfaces of the first epitaxial region, removing the oxide capping layer, and forming first and second conductive regions on the metal silicide layer and on the exposed surfaces of the second epitaxial region, respectively. The first metal silicide layer includes a first metal. The first and second conductive regions includes a second metal different from the first metal.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Peng-Wei Chu, Ding-Kang Shih, Sung-Li Wang, Yasutoshi Okuno
  • Patent number: 11855013
    Abstract: A semiconductor device may include a substrate, a first semiconductor chip buried in the substrate, a first antenna pattern, a second antenna pattern, and outer terminals. A bottom surface of the substrate may include first and second regions spaced apart from each other. The first semiconductor chip may have a first active surface that is directed to the top surface of a core portion of the substrate. The first antenna pattern may be provided on the top surface of the substrate and electrically connected to the first semiconductor chip. The outer terminals may be provided on the first region of the bottom surface of the substrate, and the second antenna pattern may be provided on the second region of the bottom surface of the substrate.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-Ho You, Seongho Shin, Bangweon Lee
  • Patent number: 11856828
    Abstract: A method of manufacturing a display device including the steps of providing a lower substrate having a display area and a pad area, forming a display structure in the display area of the lower substrate, forming pad electrodes in the pad area of the lower substrate to be spaced apart from each other in a first direction parallel to a top surface of the lower substrate, forming an upper substrate on the display structure to face the lower substrate in the display area, forming a conductive film member including a non-cured resin layer and conductive balls arranged in a lattice shape on the pad electrodes, the non-cured resin layer overlapping the pad electrodes, and forming a film package on the non-cured resin layer, the film package including bump electrodes overlapping the pad electrodes.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Joo-Nyung Jang
  • Patent number: 11854910
    Abstract: The present disclosure describes a method to form a stacked semiconductor device with power rails. The method includes forming the stacked semiconductor device on a first surface of a substrate. The stacked semiconductor device includes a first fin structure, an isolation structure on the first fin structure, and a second fin structure above the first fin structure and in contact with the isolation structure. The first fin structure includes a first source/drain (S/D) region, and the second fin structure includes a second S/D region. The method also includes etching a second surface of the substrate and a portion of the first S/D region or the second S/D region to form an opening. The second surface is opposite to the first surface. The method further includes forming a dielectric barrier in the opening and forming an S/D contact in the opening.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chansyun David Yang, Keh-Jeng Chang, Chan-Lon Yang
  • Patent number: 11855079
    Abstract: An integrated circuit includes a first nanosheet transistor and a second nanosheet transistor on a substrate. The first and second nanosheet each include gate electrodes. A gate isolation structure extends from a backside of the substrate between the gate electrodes. The gate isolation structure physically and electrically isolates the first and second gate electrodes from each other.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuo-Cheng Chiang, Jung-Chien Cheng, Shi-Ning Ju, Guan-Lin Chen, Chih-Hao Wang
  • Patent number: 11854816
    Abstract: A method of fabricating a semiconductor device is described. A substrate is provided. A first semiconductor region of a first semiconductor material is formed over the substrate and adjacent a second semiconductor region of a second semiconductor material. The first and second semiconductor regions are crystalline. An etchant is selective to etch the first semiconductor region over the second semiconductor region. The entire first semiconductor region is implanted to form an amorphized semiconductor region. The amorphized semiconductor region is etched with the etchant using the second semiconductor region as a mask to remove the amorphized semiconductor region without removing the second semiconductor region.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Ling Chung, Chun-Chih Cheng, Shun Wu Lin, Ming-Hsi Yeh, Kuo-Bin Huang
  • Patent number: 11855151
    Abstract: A semiconductor device includes a fin extending from a substrate. The fin has a source/drain region and a channel region. The channel region includes a first semiconductor layer and a second semiconductor layer disposed over the first semiconductor layer and vertically separated from the first semiconductor layer by a spacing area. A high-k dielectric layer at least partially wraps around the first semiconductor layer and the second semiconductor layer. A metal layer is formed along opposing sidewalls of the high-k dielectric layer. The metal layer includes a first material. The spacing area is free of the first material.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: I-Sheng Chen, Cheng-Hsien Wu, Chih Chieh Yeh, Yee-Chia Yeo
  • Patent number: 11848328
    Abstract: Disclosed herein is an apparatus that includes: a semiconductor substrate including first and second STI regions arranged in a first direction, a first diffusion region having a first conductivity type surrounded by the first STI region, a second diffusion region having a second conductivity type surrounded by the second STI region, and a third diffusion region extending in a second direction such that the third diffusion region is arranged between the first and second STI regions; a first gate electrode including a first polycrystalline silicon film covering a part of the first diffusion region to form a P-channel MOS transistor; a second gate electrode including a second polycrystalline silicon film covering a part of the second diffusion region to form an N-channel MOS transistor; and a third polycrystalline silicon film extending in the second direction such that the third polycrystalline silicon film covers the third diffusion region.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: December 19, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Ryota Suzuki, Makoto Sato, Hirokazu Matsumoto, Kyoka Egami
  • Patent number: 11848374
    Abstract: Structures for a bipolar junction transistor and methods of forming a structure for a bipolar junction transistor. The structure includes a dielectric layer having a cavity, a first semiconductor layer on the dielectric layer, a collector including a portion on the first semiconductor layer, an emitter including a portion on the first semiconductor layer, and a second semiconductor layer that includes a first section in the cavity and a second section. The second section of the second semiconductor layer is laterally positioned between the portion of the collector and the portion of the emitter.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: December 19, 2023
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Shesh Mani Pandey, Jagar Singh, Judson Holt
  • Patent number: 11843050
    Abstract: A method for forming a semiconductor arrangement comprises forming a fin over a semiconductor layer. A gate structure is formed over a first portion of the fin. A second portion of the fin adjacent to the first portion of the fin and a portion of the semiconductor layer below the second portion of the fin are removed to define a recess. A stress-inducing material is formed in the recess. A first semiconductor material is formed in the recess over the stress-inducing material. The first semiconductor material is different than the stress-inducing material.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: December 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Pei-Yu Wang, Sai-Hooi Yeong