Patents Examined by Carnell Hunter, III
  • Patent number: 12002862
    Abstract: A semiconductor device includes a first device plane over a substrate. The first device plane includes a first transistor device having a first source/drain (S/D) region formed in an S/D channel. A second device plane is formed over the first device plane. The second device plane includes a second transistor device having a second gate formed in a gate channel which is adjacent to the S/D channel. A first inter-level connection is formed from the first S/D region of the first transistor device to the second gate of the second transistor device. The first inter-level connection includes a lateral offset from the S/D channel to the gate channel.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: June 4, 2024
    Assignee: Tokyo Electron Limited
    Inventors: Lars Liebmann, Jeffrey Smith, Daniel Chanemougame, Paul Gutwin
  • Patent number: 11973141
    Abstract: A nanosheet semiconductor device includes a first ferroelectric region between a channel nanosheet stack and a gate contact. The channel nanosheet stack includes a plurality of channel nanosheets each connected to a source and connected to a drain and a gate surrounding the plurality of channel nanosheets and connected to the source and connected to the drain. The nanosheet semiconductor device may further include a second ferroelectric region upon a sidewall of the channel nanosheet stack. Sidewalls of the first ferroelectric region may be substantially coplanar with or inset from underlying sidewalls of the channel nanosheet stack.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: April 30, 2024
    Assignee: International Business Machines Corporation
    Inventors: Jingyun Zhang, Reinaldo Vega, Miaomiao Wang, Takashi Ando
  • Patent number: 11955373
    Abstract: The present invention provides a method for preparing a gallium oxide semiconductor structure and a gallium oxide semiconductor structure obtained thereby.
    Type: Grant
    Filed: September 29, 2019
    Date of Patent: April 9, 2024
    Assignee: Shanghai Institute of Microsystem And Information Technology, Chinese Academy of Sciences
    Inventors: Xin Ou, Tiangui You, Wenhui Xu, Pengcheng Zheng, Kai Huang, Xi Wang
  • Patent number: 11929255
    Abstract: Provided is a method of high-density pattern forming, which includes: providing a substrate; forming a hard mask layer on the substrate; forming a sacrificial layer on the hard mask layer; forming photoresists arranged at intervals on the sacrificial layer; etching the sacrificial layer to enable the sacrificial layer to form a mandrel corresponding to the photoresist one by one, wherein a cross-sectional size of the mandrel gradually decreases from an end of the mandrel away from the hard mask layer to an end close to the hard mask layer; forming an isolation layer on the mandrel; removing the isolation layer on the top of the mandrel, the isolation layer covering the hard mask layer, and the mandrel to form an isolation sidewall pattern; and transferring the isolation sidewall pattern to the hard mask layer.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 12, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Chen En Wu
  • Patent number: 11923352
    Abstract: A semiconductor device is provided. The semiconductor device comprises a first semiconductor die comprising a first capacitor, and a second semiconductor die in contact with the first semiconductor die and comprises a diode. The first semiconductor die and the second semiconductor die are arranged along a first direction, and a diode is configured to direct electrons accumulated at the first capacitor to a ground.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsin-Li Cheng, Shu-Hui Su, Yu-Chi Chang, Yingkit Felix Tsui, Shih-Fen Huang
  • Patent number: 11908848
    Abstract: A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Chan Lee, Sang Jun Park, Jeong Hyun Lee, Woong Hee Jeong, Kwang Taek Hong
  • Patent number: 11854802
    Abstract: The present invention discloses a super-flexible transparent semiconductor film and a preparation method thereof, the method includes: providing an epitaxial substrate; growing a sacrificial layer on the epitaxial substrate; stacking and growing at least one layer of Al1-nGanN epitaxial layer on the sacrificial layer, wherein 0<n?1; growing a nanopillar array containing GaN materials on the Al1-nGanN epitaxial layer; etching the sacrificial layer so as to peel off an epitaxial structure on the sacrificial layer as a whole; and transferring the epitaxial structure after peeling onto a surface of the flexible transparent substrate. Compared to traditional planar films, the present invention can not only improve the crystal quality by releasing stress, but also improve flexibility and transparency through characteristics of the nanopillar materials.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: December 26, 2023
    Assignee: Suzhou Institute of Nano-Tech and Nano-Bionics (Sinano), Chinese Academy of Sciences
    Inventors: Yukun Zhao, Shulong Lu, Zhiwei Xing, Jianya Zhang
  • Patent number: 11854831
    Abstract: The present disclosure describes a method of forming an epitaxial layer on a substrate in a chamber. The method includes cleaning the chamber with a first etching gas and depositing the epitaxial layer on the substrate. Deposition of the epitaxial layer includes epitaxially growing a first portion of the epitaxial layer with a precursor, cleaning the substrate and the chamber with a flush of a second etching gas different from the first etching gas, and epitaxially growing a second portion of the epitaxial layer with the precursor. The first portion and the second portion have the same composition. The method furthers includes etching a portion of the epitaxial layer with a third etching gas having a flow rate higher than that of the second etching gas.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Shahaji B. More
  • Patent number: 11856827
    Abstract: A display device includes: a semiconductor layer; a gate insulating film; a first display wire; a first interlayer insulating film; a second display wire; a second interlayer insulating film; and a third display wire stacked on a substrate in this order, pixel circuits being provided corresponding to intersections of data signal lines and scanning signal lines included in the third display wire, each of the pixel circuits including a first transistor and a second transistor in which any one of the scanning signal lines overlaps the semiconductor layer through the gate insulating film, one terminal of the first transistor and one terminal of the second transistor are connected together through a connector included in a conductor region of the semiconductor layer, and the connector includes an overlap connector overlapped in a plan view with the data signal lines through a constant potential wires included in the first display wire.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: December 26, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tamotsu Sakai, Tetsuya Ueno
  • Patent number: 11830738
    Abstract: In a method for forming a barrier layer, the barrier layer is formed on a base layer having a three-dimensional structure before a dopant-containing layer is formed on the base layer. At this time, at least one of a film thickness, a film quality, and a film type of the barrier layer is controlled in a height direction of the three-dimensional structure by using an atomic layer deposition (ALD) process.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: November 28, 2023
    Assignee: ASM IP Holding B.V.
    Inventor: Ryu Nakano
  • Patent number: 11812598
    Abstract: A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers, memory stack structures vertically extending through the alternating stack, a retro-stepped dielectric material portion overlying stepped surfaces of the alternating stack, a laterally perforated support pillar structure vertically extending through the alternating stack and the retro-stepped dielectric material portion, and a layer contact via structure laterally surrounded by the laterally perforated support pillar structure and contacting a top surface of a topmost electrically conductive layer within an area of the laterally perforated support pillar structure. Each electrically conductive layer within the area of the laterally perforated support pillar structure extends through the lateral openings.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: November 7, 2023
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventor: Kazuto Watanabe
  • Patent number: 11744077
    Abstract: A mold including insulation layers and sacrificial layers is formed on a substrate. A channel hole is formed through the mold. A first deposition process is performed using a first precursor including silane and a second precursor including silane and a halogen element to form a first preliminary blocking layer on a sidewall of the channel hole. A second deposition process is performed using the first precursor to form a second preliminary blocking layer on the sidewall of the channel hole. The first and second preliminary blocking layers form a third preliminary blocking layer. An oxidation process is performed on the third preliminary blocking layer to transform the third preliminary blocking into a first blocking layer. A charge storage layer, a tunnel insulation layer, and a channel layer are formed on the first blocking layer. The sacrificial layer is replaced with a gate electrode.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangmin Kang, Hanvit Yang, Jihoon Choi