Patents Examined by David Paul Sedorook
  • Patent number: 11955520
    Abstract: According to one embodiment, a nitride semiconductor includes a nitride member. The nitride member includes a first nitride region including Alx1Ga1-x1N (0<x1?1), a second nitride region including Alx2Ga1-x2N (0<x2<1, x2<x1), and a third nitride region. The second nitride region is between the first nitride region and the third nitride region. The third nitride region includes Al, Ga, and N. The third nitride region does not include carbon, alternatively a third carbon concentration in the third nitride region is lower than a second carbon concentration in the second nitride region.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 9, 2024
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Toshiki Hikosaka, Hajime Nago, Jumpei Tajima, Shinya Nunoue
  • Patent number: 11948965
    Abstract: An uneven-trench pixel cell includes a semiconductor substrate that includes a floating diffusion region, a photodiode region, and, between a front surface and a back surface: a first sidewall surface, a shallow bottom surface, a second sidewall surface, and a deep bottom surface. The first sidewall surface and a shallow bottom surface define a shallow trench, located between the floating diffusion region and the photodiode region, that extends into the semiconductor substrate from the front surface. A shallow depth of the shallow trench exceeds a junction depth of the floating diffusion region. The second sidewall surface and a deep bottom surface define a deep trench, located between the floating diffusion region and the photodiode region, that extends into the semiconductor substrate from the front surface. A distance between the deep bottom surface and the front surface defines a deep depth, of the deep trench, that exceeds the shallow depth.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 2, 2024
    Assignee: OmniVision Technologies, Inc.
    Inventors: Hui Zang, Gang Chen
  • Patent number: 11942330
    Abstract: Exemplary methods of etching gallium oxide from a semiconductor substrate may include flowing a first reagent in a substrate processing region housing the semiconductor substrate. The first reagent may include HX. X may be at least one of fluorine, chlorine, and bromine. The semiconductor substrate may include an exposed region of gallium oxide. Fluorinating the exposed region of gallium oxide may form a gallium halide and H2O. The methods may include flowing a second reagent in the substrate processing region. The second reagent may be at least one of trimethylgallium, tin acetylacetonate, tetramethylsilane, and trimethyltin chloride. The second reagent may promote a ligand exchange where a methyl group may be transferred to the gallium halide to form a volatile Me2GaY or Me3Ga. Y may be at least one of fluorine, chlorine, and bromine from the second reagent. The methods may include recessing a surface of the gallium oxide.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: March 26, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Feng Q. Liu, Lisa J. Enman, Lakmal C. Kalutarage, Mark J. Saly
  • Patent number: 11923417
    Abstract: Structures for a bipolar junction transistor and methods of forming a structure for a bipolar junction transistor. The structure includes a substrate having a well, a first terminal including a first raised semiconductor layer, a second terminal including a second raised semiconductor layer, and a base layer positioned in a lateral direction between the first raised semiconductor layer of the first terminal and the second raised semiconductor layer of the second terminal. The base layer has an overlapping arrangement with the well. The structure further includes a dielectric layer positioned in a vertical direction between the first terminal and the substrate, the second terminal and the substrate, and the base layer and the substrate.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: March 5, 2024
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Hong Yu, Shesh Mani Pandey
  • Patent number: 11917824
    Abstract: A semiconductor storage device of an embodiment includes: a plurality of columnar bodies that penetrate a predetermined film; and a beam that reaches a predetermined depth of the predetermined film shallower than depths of the plurality of columnar bodies and couples the plurality of columnar bodies together with a width smaller than widths of the plurality of columnar bodies.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: February 27, 2024
    Assignee: Kioxia Corporation
    Inventor: Takahiro Adachi
  • Patent number: 11910596
    Abstract: Some embodiments include an integrated assembly having a memory region and another region adjacent the memory region. Channel-material-pillars are arranged within the memory region, and conductive posts are arranged within said other region. A source structure is coupled to lower regions of the channel-material-pillars. A panel extends across the memory region and said other region, and separates a first memory-block-region from a second memory-block-region. Doped-semiconductor-material is directly adjacent to the panel within the memory region and the other region. Rings laterally surround lower regions of the conductive posts. The rings are between the conductive posts and the doped-semiconductor-material. The rings include laminates of two or more materials, with at least one of said two or more materials being insulative. Some embodiments include methods for forming integrated assemblies.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 20, 2024
    Assignee: Micron Technology, Inc.
    Inventors: Jordan D. Greenlee, Alyssa N. Scarbrough, John D. Hopkins
  • Patent number: 11889700
    Abstract: A semiconductor device includes a peripheral circuit region including a first substrate and circuit devices on the first substrate, a memory cell region including a second substrate on the first substrate, a horizontal conductive layer on the second substrate, gate electrodes stacked on the horizontal conductive layer in a first direction perpendicular to an upper surface of the second substrate and spaced apart from each other, and channel structures extending in gate electrodes in the first direction, each of the channel structures including a channel layer in physical contact with the horizontal conductive layer, and a through wiring region including a through contact plug extending in the first direction and electrically connecting the memory cell region to the peripheral circuit region, an insulating region bordering the through contact plug, and dummy channel structures partially extending into the insulating region in the first direction.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sooyong Lee, Seorim Moon, Bongsoo Kang, Kyungjae Park, Cheol Ryou
  • Patent number: 11882703
    Abstract: Provided herein may be a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device may include a stacked body including a plurality of interlayer insulating layers and a plurality of gate electrodes that are alternately stacked on a substrate, and a plurality of channel structures configured to vertically pass through the stacked body. Each of the plurality of channel structures may include a core insulating layer, a first channel layer, a second channel layer, a tunnel insulating layer, and a charge storage layer that extend vertically towards the substrate. Electron mobility of the first channel layer may be higher than electron mobility of the second channel layer.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: January 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Sungmook Lim, Dae Hwan Yun, Gil Bok Choi, Jae Hyeon Shin, In Gon Yang, Hyung Jin Choi
  • Patent number: 11877451
    Abstract: A vertical memory device includes a gate electrode structure, a channel, an insulation pattern structure, an etch stop structure, and a through via. The gate electrode structure includes gate electrodes spaced apart from each other on a substrate in a first direction perpendicular to an upper surface of the substrate, and each of the gate electrodes extends in a second direction parallel to the upper surface of the substrate. The channel extends in the first direction through the gate electrode structure. The insulation pattern structure extends through the gate electrode structure. The etch stop structure extends through the gate electrode structure and surround at least a portion of a sidewall of the insulation pattern structure, and the etch stop structure includes a filling pattern and an etch stop pattern on a sidewall of the filling pattern. The through via extends in the first direction through the insulation pattern structure.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaehoon Shin, Kangmin Kim, Kyeongjin Park, Seungmin Song, Joongshik Shin, Geunwon Lim
  • Patent number: 11862461
    Abstract: A semiconductor structure and a method for forming a semiconductor structure are provided. The method includes: a base is provided, in which the base includes a first doped area and a second doped area, and an isolation structure is provided between the first doped area and the second doped area; nitridation treatment is performed on the first doped area and the second doped area; and oxidation treatment is performed on the first doped area and the second doped area subjected to the nitridation treatment, to form a first gate oxide layer and a second gate oxide layer respectively.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: January 2, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Tzung-Han Lee
  • Patent number: 11842994
    Abstract: A method generating the layout diagram includes: selecting gate patterns for which a first distance from a corresponding VG pattern to a corresponding cut-gate section is equal to or greater than a first reference value; and for each of the selected gate patterns, increasing a size of the corresponding cut-gate section from a first value to a second value; the second value resulting in a first type of overhang of a corresponding remnant portion of the corresponding gate pattern; and the first type of overhang being a minimal permissible amount of overhang of the corresponding remnant portion beyond the corresponding first or second nearest active area pattern. A result is that gaps between corresponding ends of remnant portion of gate patterns are expanded.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: December 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD
    Inventors: Te-Hsin Chiu, Shih-Wei Peng, Jiann-Tyng Tzeng
  • Patent number: 11839081
    Abstract: A semiconductor memory device may include a plurality of memory blocks and at least one insulation bridge. The plurality of the memory blocks may be defined by a plurality of slits parallel to each other. The at least one insulation bridge may be formed in at least one slit located on at least one side of a memory block of the plurality of memory blocks to support the adjacent memory blocks.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: December 5, 2023
    Assignee: SK hynix Inc.
    Inventor: Jung Shik Jang
  • Patent number: 11817449
    Abstract: Methods, systems and apparatus for memory devices with discharging circuits are provided. In one aspect, a semiconductor device includes a semiconductor substrate, one or more discharging circuits arranged on the semiconductor substrate, one or more common source line (CSL) layers conductively coupled to the one or more discharging circuits, and a memory array having a three-dimensional (3D) array of memory cells arranged in a plurality of vertical channels on the one or more CSL layers. Each of the plurality of vertical channels includes a respective string of memory cells, and each of the one or more CSL layers is conductively coupled to corresponding strings of memory cells. Each of the one or more discharging circuits includes one or more transistors that are disabled by one or more corresponding conductive lines through the memory array.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: November 14, 2023
    Assignee: Macronix International Co., Ltd.
    Inventors: Jung Chuan Ting, Shih-Yu Wang, Shao-Chi Chen
  • Patent number: 11810965
    Abstract: A manufacturing method of a fin semiconductor device comprises: providing a substrate, wherein a fin channel base is patterned on and in contact with the substrate; epitaxially growing a top part of the fin channel base and extending the top part of the fin channel base sideways and upward to form a fin channel core; oxidizing the fin channel base to form a fin channel structure, wherein the fin channel structure comprises the fin channel core surrounded with an oxide layer at the top part of the fin channel base and an intermediate part of the fin channel base under the top part; and removing the oxide layer to expose the fin channel core, wherein the fin channel core suspends over the substrate.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: November 7, 2023
    Assignee: SHANGHAI HUALI INTEGRATED CIRCUIT CORPORATION
    Inventors: Qiuming Huang, Jun Tan, Qiang Yan
  • Patent number: 11810927
    Abstract: A semiconductor element includes a plurality of microlenses provided on a main surface to collect light, a plurality of conductive electrodes provided on a back surface of the main surface, a photoelectric converter to which the light collected by the plurality of microlenses is guided, and a strain sensor provided on the same layer as the photoelectric converter to detect a strain. A solid-state imaging apparatus includes the semiconductor element, a transparent member, an adhesive layer that covers the plurality of microlenses and adheres to the transparent member, and a plurality of external connection electrodes electrically connected to the plurality of conductive electrodes, respectively.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: November 7, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kiyokazu Itoi, Daisuke Sakurai
  • Patent number: 11810787
    Abstract: A semiconductor structure formation method and a mask are provided.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: November 7, 2023
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Jisong Jin
  • Patent number: 11798841
    Abstract: A planarization method including the following steps is provided. A substrate is provided. The substrate includes a first region and a second region. A material layer is formed on the substrate. The top surface of the material layer in the first region is lower than the top surface of the material layer in the second region. A patterned photoresist layer is formed on the material layer in the first region. A first etching process is performed on the patterned photoresist layer, so that the top surface of the patterned photoresist layer and the top surface of the material layer in the second region have substantially the same height. A second etching process is performed on the patterned photoresist layer and the material layer. In the second etching process, the etching rate of the patterned photoresist layer is substantially the same as the etching rate of the material layer.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: October 24, 2023
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Yen-Jhih Huang
  • Patent number: 11757080
    Abstract: The present invention relates to a multi-sided light-emitting circuit board, which includes: a transparent substrate layer and a first conductive circuit layer on at least one surface of the transparent substrate layer. The first conductive circuit layer includes conductive portions arranged at intervals. A metal piece is formed on a surface of each conductive portion away from the transparent substrate layer. An accommodation space is formed between adjacent metal pieces. The accommodation space is provided with a light-emitting chip. Each light-emitting chip includes two electrodes. The two electrodes are respectively located at opposite ends of the light-emitting chip. The electrodes are respectively electrically connected to adjacent metal pieces. An encapsulant layer is formed on a surface of the first conductive circuit layer. The encapsulant layer covers and encapsulates the metal pieces and the light-emitting chips.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: September 12, 2023
    Assignees: Avary Holding (Shenzhen) Co., Limited., QING DING PRECISION ELECTRONICS (HUAIAN) CO., LTD
    Inventors: Zu-Ai Li, Mei-Hua Huang, Jin-Cheng Wu, Si-Hong He, Ning Hou
  • Patent number: 11651962
    Abstract: In a method of forming patterns, first and second upper reverse patterns are formed on a lower reverse layer. A buffer layer is formed to fill first opening portions provided by the first upper reverse pattern. A shield pattern is formed to cover a second region of the buffer layer. An etching process is performed using the shield pattern and the first upper reverse pattern as an etching mask to form first lower reverse patterns providing second openings overlapping first openings, a buffer layer pattern and a second lower reverse pattern overlapping the shield pattern. A hard mask layer is formed and etched to separate hard mask layer first patterns filling the first and second openings. An etching process is performed using the hard mask layer first patterns and the second upper reverse patterns as etching masks to form third lower reverse patterns overlapping the second upper reverse pattern.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: May 16, 2023
    Assignee: SK hynix Inc.
    Inventors: Jung Hyung Lee, Sarohan Park, Ju Ry Song, Ji Young Im, Sang Hee Jung