Patents Examined by Walter H Swanson
  • Patent number: 12207573
    Abstract: A memory, system, and method to improve integration density while maintaining thermal efficiency through a phase change memory cell with a superlattice based thermal barrier. The phase change memory may include a bottom electrode. The phase change memory may also include an active phase change material. The phase change memory may also include a superlattice thermal barrier proximately connected to the active phase change material. The phase change memory may also include a top electrode proximately connected to the superlattice thermal barrier. The system may include the phase change memory cell. The method for forming a phase change memory may include depositing an active phase change material on a bottom electrode. The method may also include depositing a superlattice thermal barrier proximately connected to the active phase change material. The method may also include depositing a top electrode proximately connected to the superlattice thermal barrier.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: January 21, 2025
    Assignee: International Business Machines Corporation
    Inventors: Praneet Adusumilli, Kevin W. Brew, Takashi Ando, Reinaldo Vega
  • Patent number: 12191299
    Abstract: The present disclosure provides a method of fabricating a semiconductor device, which includes a substrate, an active structure, and a shallow trench isolation. The active structure is disposed in the substrate and includes a first active area, a second active area disposed outside the first active area, and a third active area disposed outside the second active area. The shallow trench isolation is disposed in the substrate to surround the active structure. Through the second active area and the third active of the active structure, the structural stability of the semiconductor device may be enhanced to improve the stress around the semiconductor device, thereby preventing from structural collapse or deformation.
    Type: Grant
    Filed: December 4, 2023
    Date of Patent: January 7, 2025
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventor: Yifei Yan
  • Patent number: 12191377
    Abstract: A method for forming a semiconductor structure includes forming a gate structure on a substrate, performing a deposition process to form a nitride layer to cover the substrate and the gate structure, performing an in-situ annealing process to the nitride layer, and performing an anisotropic etching process to the nitride layer after the in-situ annealing process to form a spacer on a sidewall of the gate structure.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: January 7, 2025
    Assignee: United Semiconductor (Xiamen) Co., Ltd.
    Inventors: Jun Wu, Shih-Hsien Huang, Wen Yi Tan, Feng Gao
  • Patent number: 12188149
    Abstract: A method of manufacturing a semiconductor device, includes attaching a first susceptor to a film forming apparatus, measuring a magnitude of a warp of the first susceptor, setting a first initial film formation condition as a film formation condition of the film forming apparatus in accordance with the measured magnitude of the warp of the first susceptor, and placing a plurality of first wafers on the first susceptor and forming a first film on the plurality of first wafers under the film formation condition. The setting of the first initial film formation condition includes reading the first initial film formation condition from a recording medium storing a database. The database includes a plurality of pieces of data in which magnitudes of warps of susceptors are associated with initial film formation conditions for forming the first film.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: January 7, 2025
    Assignee: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
    Inventor: Kohei Miyashita
  • Patent number: 12185547
    Abstract: A semiconductor wafer according to the present embodiment includes a plurality of semiconductor chip regions and a division region. The plurality of semiconductor chip regions have a semiconductor element. The division region is provided between the semiconductor chip regions adjacent to each other. A first stacked body is provided on the division region. The first stacked body is configured with a plurality of first material films and a plurality of second material films alternately stacked.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: December 31, 2024
    Assignee: KIOXIA CORPORATION
    Inventors: Takanobu Ono, Yusuke Dohmae
  • Patent number: 12183689
    Abstract: Provided are a ceramic substrate and a method of manufacturing the same, which suppress a warpage phenomenon caused by a difference in volumes occupied by upper and lower metal layers of a ceramic base material and controls areas of the upper and lower metal layers especially when thicknesses of the upper and lower metal layers on the ceramic base material are equal to each other, thereby reducing a defect rate of the ceramic substrate.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 31, 2024
    Assignee: AMOSENSE CO., LTD.
    Inventor: Ji-Hyung Lee
  • Patent number: 12185618
    Abstract: A display device includes: an array of pixels disposed on a display area; a connection pad disposed on a pad area; a transmission line electrically coupled with the connection pad; and a conductive dummy pattern disposed under the transmission line. A part of the conductive dummy pattern overlaps the transmission line in a plan view. The transmission line transmits a driving signal or a power signal to the array of pixels. The connection pad includes a pad conductive layer electrically coupled with the transmission line, and a passivation layer disposed on the pad conductive layer. The passivation layer covers at least a side surface of the pad conductive layer and defines an opening overlapping the conductive dummy pattern and the transmission line in the plan view.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: December 31, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyumin Kim, Jeehoon Kim, Hui-Won Yang, Yu-Jin Kim
  • Patent number: 12176252
    Abstract: A method for predicting an inclination angle of an etched hole can include operations as follows. A preset change range of an etching rate of an etching device for an object to be etched on a surface of a monitored sample in different operation stages is determined. An etching rate change curve of the etching device for the object to be etched on the surface of a monitored sample in a current operation stage is acquired. When the etching rate change curve exceeds the preset change range, it is determined that an inclination angle of an etched hole of an etched product currently etched by the etching device exceeds a preset angle.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: December 24, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Bo Shao, Xinran Liu, Chunyang Wang
  • Patent number: 12176267
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a die stack, an intervening bonding layer, and a carrier structure. The intervening bonding layer is positioned on the die stack. The carrier structure is disposed on the intervening bonding layer opposite to the die stack. The carrier structure includes a heat dissipation unit configured to transfer heat generated from the die stack. The heat dissipation unit includes composite vias and conductive plates. Each of the composite vias includes a first through semiconductor via and a second through semiconductor via. The conductive plates are couple to the composite vias.
    Type: Grant
    Filed: October 20, 2023
    Date of Patent: December 24, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Liang-Pin Chou
  • Patent number: 12171091
    Abstract: A transistor includes a gate structure that has a first gate dielectric layer and a second gate dielectric layer. The first gate dielectric layer is disposed over the substrate. The first gate dielectric layer contains a first type of dielectric material that has a first dielectric constant. The second gate dielectric layer is disposed over the first gate dielectric layer. The second gate dielectric layer contains a second type of dielectric material that has a second dielectric constant. The second dielectric constant is greater than the first dielectric constant. The first dielectric constant and the second dielectric constant are each greater than a dielectric constant of silicon oxide.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: December 17, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Yu Hsu, Jian-Hao Chen, Chia-Wei Chen, Shan-Mei Liao, Hui-Chi Chen, Yu-Chia Liang, Shih-Hao Lin, Kuei-Lun Lin, Kuo-Feng Yu, Feng-Cheng Yang, Yen-Ming Chen
  • Patent number: 12170224
    Abstract: A method of processing a wafer includes a groove forming step of forming grooves in the wafer to a depth equal to or larger than a thickness of chips to be produced from the wafer from a face side of the wafer along projected dicing lines, a separation initiating point forming step of positioning a focused spot of a laser at a depth in the wafer corresponding to a thickness of the chips from a reverse side of the wafer, applying the laser beam to the wafer while moving the focused spot and the wafer relatively to each other, thereby forming separation initiating points in the wafer that are parallel to the face side of the wafer and made up of modified layers and cracks, and a chip peeling step of peeling off the chips from the wafer at the separation initiating points.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: December 17, 2024
    Assignee: DISCO CORPORATION
    Inventor: Shunsuke Teranishi
  • Patent number: 12167671
    Abstract: A method for preparing a flexible display substrate is provided. The method includes: forming an isolating protective film layer on a rigid substrate; forming a flexible base on the isolating protective film layer; forming a functional layer on the flexible base; and stripping the rigid substrate to form the flexible display substrate.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: December 10, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jincan Zhao, Sheng Yang, Yiming Wang, Yan Cui, Jie Zhou, Zhijun Huang
  • Patent number: 12165874
    Abstract: A forming method of a semiconductor structure includes the following: providing a semiconductor substrate formed with a first mask layer having a preset pattern; forming a second mask layer having a first mask pattern on a surface of the first mask layer, wherein the first mask pattern includes a plurality of first sub-patterns arranged in sequence; forming a second mask pattern in the second mask layer through the first mask pattern in a self-alignment manner, wherein the second mask pattern includes the first sub-patterns of the first mask pattern and second sub-patterns corresponding to the first sub-patterns; etching the first mask layer based on the first sub-patterns and the second sub-patterns of the second mask pattern to convert the preset pattern into an active area pattern; and defining active areas in the semiconductor substrate based on the active area pattern.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: December 10, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Jingwen Lu, Bingyu Zhu, Zhaopei Cui, Wei Feng
  • Patent number: 12148617
    Abstract: A method of semiconductor manufacture comprising forming a plurality of first mandrels as the top layer of the multi-layered hard mask and forming a first spacer around each of the plurality of first mandrels. Removing the plurality of first mandrels and cutting the first spacer to form a plurality of second mandrels. Forming a second spacer around each of the plurality of second mandrels and forming a first self-aligned pattern that includes a plurality of third mandrels. Removing the plurality of second mandrels and the second spacer and etching the multi-layered hard mask to transfer the first-self aligned pattern to a lower layer of the multi-layered hard mask. Forming a second self-aligned pattern, wherein the second self-aligned pattern is intermixed with the first self-aligned pattern and etching the first self-aligned pattern and the second self-aligned pattern into the conductive metal layer.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: November 19, 2024
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chanro Park, Chi-Chun Liu, Stuart Sieg, Yann Mignot, Koichi Motoyama, Hsueh-Chung Chen
  • Patent number: 12142713
    Abstract: An LED display screen, comprising: an LED array, consisting of multiple LED light-emitting units and used for emitting a light; an optical diffusion film, provided at a light exit side of the LED array; a matrix shading frame, comprising multiple hollow shading gratings, the hollow shading gratings corresponding one-to-one to the LED light-emitting units; and a substrate, used for supporting the LED array and the matrix shading frame, where the light emitted by the LED light-emitting units, after running through the hollow shading gratings, is diffused to a viewer side via the optical diffusion film, and the LED light-emitting units emit the light towards the hollow shading gratings.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 12, 2024
    Assignee: Appotronics Corporation Limited
    Inventors: Lin Wang, Shijie Li, Fei Hu, Wei Sun, Yi Li
  • Patent number: 12142553
    Abstract: Guard ring designs enabling in-line testing of silicon bridges for semiconductor packages, and the resulting silicon bridges and semiconductor packages, are described. In an example, a semiconductor structure includes a substrate having an insulating layer disposed thereon. A metallization structure is disposed on the insulating layer. The metallization structure incudes conductive routing disposed in a dielectric material stack. The semiconductor structure also includes a first metal guard ring disposed in the dielectric material stack and surrounding the conductive routing. The first metal guard ring includes a plurality of individual guard ring segments. The semiconductor structure also includes a second metal guard ring disposed in the dielectric material stack and surrounding the first metal guard ring. Electrical testing features are disposed in the dielectric material stack, between the first metal guard ring and the second metal guard ring.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: November 12, 2024
    Assignee: Intel Corporation
    Inventors: Arnab Sarkar, Sujit Sharan, Dae-Woo Kim
  • Patent number: 12137559
    Abstract: According to one embodiment, a semiconductor memory device includes a first conductive layer, a first semiconductor body, a second semiconductor body, a first memory layer, and a second memory layer. The first conductive layer includes first to fourth extension regions, and a first connection region. The first extension region extends in a first direction. The second extension region extends in the first direction and is arranged with the first extension region in the first direction. The third extension region extends in the first direction and is arranged with the first extension region in a second direction crossing the first direction. The fourth extension region extends in the first direction, is arranged with the third extension region in the first direction, and is arranged with the second extension region in the second direction.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: November 5, 2024
    Assignee: KIOXIA CORPORATION
    Inventors: Takuya Inatsuka, Tadashi Iguchi, Murato Kawai, Hisashi Kato, Megumi Ishiduki
  • Patent number: 12136575
    Abstract: A device (2) is formed on a main surface of a semiconductor substrate (1). A passivation film (5) covers the main surface. A metallized pattern (6) is formed on the passivation film (5) and surrounds the device (2). A sealing metal layer (7) is formed on the metallized pattern (6) and includes a corner portion (10) in a planar view. A lid (8) is bonded to the metallized pattern (6) with the sealing metal layer (7) interposed therebetween and vacuum-seals the device (2). A dummy wiring (11) is softer than the metallized pattern (6), is formed at least between an outer portion of the corner portion of the sealing metal layer (7) and the semiconductor substrate (1), and does not electrically connected to the device (2).
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 5, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventor: Tomohiro Maegawa
  • Patent number: 12132087
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes: forming a bit line over a substrate; forming a first spacer layer over and conformal to the bit line; forming a sacrificial layer over and conformal to the first spacer layer; forming a second spacer layer over and conformal to the sacrificial layer; forming a mask layer covering a lower portion of the second spacer layer; removing an upper portion of the second spacer layer; removing the sacrificial layer; and forming a third spacer layer over the first spacer layer and the second spacer layer, thereby forming a first air gap surrounded by the lower portion of the second spacer layer.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: October 29, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Ching-Kai Chuang
  • Patent number: 12132156
    Abstract: A display device includes a flexible substrate, a bonding pad, a light-emitting diode, an encapsulant, and a support structure. The bonding pad and the light-emitting diode are located on the flexible substrate. The encapsulant covers the light-emitting diode. The support structure is laterally located between the light-emitting diode and the bonding pad. The support structure has an inclined surface, and a thickness of the support structure close to the light-emitting diode is greater than the thickness of the support structure close to the bonding pad.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: October 29, 2024
    Assignee: Au Optronics Corporation
    Inventors: Cheng-He Ruan, Jian-Jhou Tseng, Chih-Yuan Hou