Patents Examined by Alexander G. Ghyka
  • Patent number: 11837635
    Abstract: The present invention provides a method for the formation of graphene on a silicon substrate, the method comprising: (i) providing a silicon wafer having a growth surface which is free of native oxides, in a reaction chamber; (ii) nitriding the growth surface with a nitrogen-containing gas with the wafer at a temperature in excess of 800° C., to thereby form a silicon nitride layer; and (iii) forming a graphene mono-layer or multiple layer structure on the silicon nitride layer; wherein the method is performed in-situ and sequentially in the reaction chamber. The present invention also provides a graphene-on-silicon layer structure having an intervening silicon nitride layer and free of any intervening native oxide layer.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: December 5, 2023
    Assignee: Paragraf Limited
    Inventors: Sebastian Dixon, Ivor Guiney, Simon Thomas
  • Patent number: 11837541
    Abstract: A memory device includes a substrate; and a stack structure, including alternately arranged first dielectric layers and electrode layers. In a first lateral direction, the memory device includes an intermediate region and array regions. In a second lateral direction, the stack structure includes a first block and a second block, each including a wall-structure region. In the intermediate region, wall-structure regions of the first block and the second block are separated by a staircase structure. The memory device further includes a beam structure, located in the intermediate region and including at least a plurality of discrete first beam structures, each extending along the second lateral direction and connecting the wall-structure regions of the first block and the second block; and a plurality of second dielectric layers, located in the beam structure. In the first beam structures, the second dielectric layers is alternated with the first dielectric layers.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: December 5, 2023
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Zhong Zhang, Kun Zhang, Wenxi Zhou, Zhiliang Xia
  • Patent number: 11830680
    Abstract: Fabricating an electrode for use in a capacitor includes cutting an electrode precursor from a sheet of material. The electrode precursor is exposed to steam so as to form a steamed electrode precursor. A capacitor is fabricated and includes an electrode generated from the steamed electrode precursor.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: November 28, 2023
    Assignee: Pacesetter, Inc.
    Inventors: David Bowen, Ralph Jason Hemphill, Thomas F. Strange
  • Patent number: 11830727
    Abstract: A method includes placing a wafer into a process chamber, and depositing a silicon nitride layer on a base layer of the wafer. The process of depositing the silicon nitride layer includes introducing a silicon-containing precursor into the process chamber, purging the silicon-containing precursor from the process chamber, introducing hydrogen radicals into the process chamber, purging the hydrogen radicals from the process chamber; introducing a nitrogen-containing precursor into the process chamber, and purging the nitrogen-containing precursor from the process chamber.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: November 28, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Che Hsieh, Ching Yu Huang, Hsin-Hao Yeh, Chunyao Wang, Tze-Liang Lee
  • Patent number: 11823901
    Abstract: The present disclosure provides systems and methods for processing channel structures of substrates that include positioning the substrate in a first processing chamber having a first processing volume. The substrate includes a channel structure with high aspect ratio features having aspect ratios greater than about 20:1. The method includes forming a silicon-containing layer over the channel structure to a hydrogen-or-deuterium plasma in the first processing volume at a flow rate of about 10 sccm to about 5000 sccm. The substrate is maintained at a temperature of about 100° C. to about 1100° C. during the exposing, the exposing forming a nucleated substrate. Subsequent to the exposing a thermal anneal operation is performed on the substrate.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: November 21, 2023
    Assignee: APPLIED MATERIALS INC.
    Inventors: Xinming Zhang, Abhilash J. Mayur, Shashank Sharma, Norman L. Tam, Matthew Spuller
  • Patent number: 11823946
    Abstract: Described herein is a technique capable of forming a film on a substrate with good uniformity. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: processing a substrate by performing a cycle a predetermined number of times, the cycle comprising: (a) supplying a source gas; (b) discharging at least the source gas; (c) supplying a reactive gas; and (d) discharging at least the reactive gas. The substrate is kept stationary while each cycle is performed, and a rotation angle of rotating the substrate is calculated based on the predetermined number of times after each cycle is completed.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: November 21, 2023
    Assignee: Kokusai Electric Corporation
    Inventor: Daigi Kamimura
  • Patent number: 11824041
    Abstract: Hyperchip structures and methods of fabricating hyperchips are described. In an example, an integrated circuit assembly includes a first integrated circuit chip having a device side opposite a backside. The device side includes a plurality of transistor devices and a plurality of device side contact points. The backside includes a plurality of backside contacts. A second integrated circuit chip includes a device side having a plurality of device contact points thereon. The second integrated circuit chip is on the first integrated circuit chip in a device side to device side configuration. Ones of the plurality of device contact points of the second integrated circuit chip are coupled to ones of the plurality of device contact points of the first integrated circuit chip. The second integrated circuit chip is smaller than the first integrated circuit chip from a plan view perspective.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: November 21, 2023
    Assignee: Intel Corporation
    Inventors: Mark T. Bohr, Wilfred Gomes, Rajesh Kumar, Pooya Tadayon, Doug Ingerly
  • Patent number: 11824083
    Abstract: A semiconductor device of embodiments includes: a silicon carbide layer having a first face and a second face opposite to the first face, and including a p-type silicon carbide region in contact with the first face, a percentage of a first silicon atom among a plurality of silicon atoms present in a first layer as an uppermost layer being equal to or more than 90% and a site position of the first silicon atom being different from a site position of a silicon atom in a third layer from the first face and the same as a site position of a silicon atom in a fifth layer from the first face; a gate electrode; a silicon oxide layer between the silicon carbide layer and the gate electrode; and a region between the silicon carbide layer and the silicon oxide layer including nitrogen.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: November 21, 2023
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Tatsuo Shimizu
  • Patent number: 11823902
    Abstract: An apparatus and method which may be used for fabricating nanoscale devices are disclosed. The apparatus comprises measurement means configured to measure swelling of a block copolymer during solvent vapour annealing of the block copolymer. The apparatus also comprises temperature control means configured to receive a control signal indicative of the swelling of the block copolymer. The temperature control means can then control the temperature of the block copolymer as indicated by the control signal.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: November 21, 2023
    Assignee: Nokia Technologies Oy
    Inventors: Ross Lundy, Ryan Enright
  • Patent number: 11817395
    Abstract: Redeposition of substrate material on a fiducial resulting from charged particle beam (CPB) or laser beam milling of a substrate can be reduced with a shield formed on the substrate surface. The shield typically has a suitable height that can be selected based on proximity of an area to be milled to the fiducial. The shield can be formed with the milling beam using beam-assisted chemical vapor deposition (CVD). The same or different beams can be used for milling and beam-assisted CVD.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 14, 2023
    Assignee: FEI Company
    Inventors: Sean Morgan-Jones, Mark Najarian, Michael Schmidt, Victoriea Bird
  • Patent number: 11815471
    Abstract: Systems and methods are provided for monitoring wafer bonding and for detecting or determining defects in a wafer bond formed between two semiconductor wafers. A wafer bonding system includes a camera configured to monitor bonding between two semiconductor wafers. Wafer bonding defect detection circuitry receives video data from the camera, and detects a bonding defect based on the received video data.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: November 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chih-Yu Wang, Hsi-Cheng Hsu
  • Patent number: 11810784
    Abstract: A method for making a semiconductor device may include forming a first single crystal silicon layer having a first percentage of silicon 28, and forming a superlattice above the first single crystal silicon layer. The superlattice may include a plurality of stacked groups of layers, with each group of layers comprising a plurality of stacked base silicon monolayers defining a base silicon portion, and at least one non-semiconductor monolayer constrained within a crystal lattice of adjacent base silicon portions. The method may further include forming a second single crystal silicon layer above the superlattice having a second percentage of silicon 28 higher than the first percentage of silicon 28.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: November 7, 2023
    Assignee: ATOMERA INCORPORATED
    Inventors: Marek Hytha, Keith Doran Weeks, Nyles Wynn Cody, Hideki Takeuchi
  • Patent number: 11810779
    Abstract: A method includes: in a semiconductor wafer having a first semiconductor layer and a second semiconductor layer adjoining the first semiconductor layer, forming a porous region extending from a front surface into the first semiconductor layer; and removing the porous region by an etching process, wherein a doping concentration of the second semiconductor layer is less than 10?2 times a doping concentration of the first semiconductor layer and/or a doping type of the second semiconductor layer is complementary to a doping type of the first semiconductor layer, wherein forming the porous region comprises bringing in contact a porosifying agent with the front surface of the first semiconductor layer and applying a voltage between the first semiconductor layer and a first electrode that is in contact with the porosifying agent, wherein applying the voltage comprises applying the voltage between the first electrode and an edge region of the first semiconductor layer.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: November 7, 2023
    Assignee: Infineon Technologies AG
    Inventors: Sophia Friedler, Bernhard Goller, Iris Moder, Ingo Muri
  • Patent number: 11806710
    Abstract: A semiconductor package structure includes a substrate, a die and a conductive structure. The die is disposed on or within the substrate. The die has a first surface facing away from the substrate and includes a sensing region and a pad at the first surface of the die. The first surface of the die has a first edge and a second edge opposite to the first edge. The sensing region is disposed adjacent to the first edge. The pad is disposed away from the first edge. The conductive structure electrically connects the pad and the substrate. The sensing region has a first end distal to the first edge of the first surface of the die. A distance from the first end of the sensing region to a center of the pad is equal to or greater than a distance from the first end of the sensing region to the first edge of the first surface of the die.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: November 7, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Hsiao-Yen Lee, Ying-Te Ou, Chin-Cheng Kuo, Chung Hao Chen
  • Patent number: 11804495
    Abstract: A substrate including a first signal line and a first electrode disposed on the substrate, an oxide semiconductor layer pattern overlapping the first electrode, an insulating layer disposed between the first electrode and the oxide semiconductor layer pattern, a second signal line intersecting the first signal line, a second electrode electrically connected to the oxide semiconductor layer pattern, a third electrode electrically connected to the oxide semiconductor layer pattern and spaced apart from the second electrode, and an insulator comprising a first portion disposed between the first signal line and the second signal line, and at least partially overlapping with both of the first signal line and the second signal line.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Wook Lee, Woo-Geun Lee, Ki-Won Kim, Hyun-Jung Lee, Ji-Soo Oh
  • Patent number: 11798893
    Abstract: A package includes a die and a redistribution structure. The die has an active surface and is wrapped around by an encapsulant. The redistribution structure disposed on the active surface of the die and located above the encapsulant, wherein the redistribution structure comprises a conductive via connected with the die, a routing pattern located above and connected with the conductive via, and a seal ring structure, the seal ring structure includes a first seal ring element and a second seal ring element located above and connected with the first seal ring element, wherein the second seal ring element includes a seed layer sandwiched between the first seal ring element and the second seal ring element, and a top surface of the first seal ring element is substantially coplanar with a top surface of the conductive via.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: October 24, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Jhih-Yu Wang, Yu-Hsiang Hu
  • Patent number: 11798849
    Abstract: A semiconductor device includes a plurality of fins on a substrate, a fin end spacer plug on an end surface of each of the plurality of fins and a fin liner layer, an insulating layer on the plurality of fins, and a source/drain epitaxial layer in a source/drain recess in each of the plurality of fins.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: October 24, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tzu-Chung Wang, Tung Ying Lee
  • Patent number: 11800701
    Abstract: A method for fabricating a semiconductor device includes providing a substrate including a cell region and a core/peripheral region around the cell region, forming a gate insulating film on the substrate of the core/peripheral region, forming a first conductive film of a first conductive type on the gate insulating film, forming a diffusion blocking film within the first conductive film, the diffusion blocking film being spaced apart from the gate insulating film in a vertical direction, after forming the diffusion blocking film, forming an impurity pattern including impurities within the first conductive film, diffusing the impurities through a heat treatment process to form a second conductive film of a second conductive type and forming a metal gate electrode on the second conductive film, wherein the diffusion blocking film includes helium (He) and/or argon (Ar).
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: October 24, 2023
    Inventors: Ho Kyun An, Bumsoo Kim
  • Patent number: 11798973
    Abstract: A depth sensor includes a first pixel including a plurality of first photo transistors each receiving a first photo gate signal, a second pixel including a plurality of second photo transistors each receiving a second photo gate signal, a third pixel including a plurality of third photo transistors each receiving a third photo gate signal, a fourth pixel including a plurality of fourth photo transistors each receiving a fourth photo gate signal, and a photoelectric conversion element shared by first to fourth photo transistors of the plurality of first to fourth photo transistors.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Younggu Jin, Youngchan Kim, Taesub Jung, Yonghun Kwon, Moosup Lim
  • Patent number: 11798853
    Abstract: The present disclosure provides a manufacturing method of a package device, which includes providing a carrier substrate, a first conductive layer, and a release layer, where the carrier substrate has a device region and a peripheral region, and the first conductive layer and the release layer are disposed on the carrier substrate. The method further includes forming a second conductive layer on the release layer in the device region, where at least one of the first and second conductive layers includes a first pad in the peripheral region. The second conductive layer includes a second pad electrically connected to the first pad through the first conductive layer. The method also includes performing an inspection step to provide an input signal to one of the first and second pads, and to receive an output signal from another of the first and second pads.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: October 24, 2023
    Assignee: InnoLux Corporation
    Inventors: Yeong-E Chen, Kuang-Chiang Huang, Yu-Ting Liu, Yi-Hung Lin, Cheng-En Cheng