Patents Examined by Maliheh Malek
  • Patent number: 11978783
    Abstract: A method of forming a fin field effect device is provided. The method includes forming one or more vertical fins on a substrate and a fin template on each of the vertical fins. The method further includes forming a gate structure on at least one of the vertical fins, and a top spacer layer on the at least one gate structure, wherein at least an upper portion of the at least one of the one or more vertical fins is exposed above the top spacer layer. The method further includes forming a top source/drain layer on the top spacer layer and the exposed upper portion of the at least one vertical fin. The method further includes forming a sacrificial spacer on opposite sides of the fin templates and the top spacer layer, and removing a portion of the top source/drain layer not covered by the sacrificial spacer to form a top source/drain electrically connected to the vertical fins.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 7, 2024
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kangguo Cheng, Shogo Mochizuki, Choonghyun Lee, Juntao Li
  • Patent number: 11978775
    Abstract: A semiconductor device comprising a gate electrode on a substrate, a source/drain pattern on the substrate on a side of the gate electrode, and a gate contact plug on the gate electrode are disclosed. The gate contact plug may include a first gate contact segment, and a second gate contact segment that extends in a vertical direction from a top surface of the first gate contact segment. An upper width of the first gate contact segment may be greater than a lower width of the second gate contact segment.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: May 7, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doohyun Lee, Hyun-Seung Song, Yeongchang Roh, Heonjong Shin, Sora You, Yongsik Jeong
  • Patent number: 11978774
    Abstract: A field effect transistor for a high voltage operation can include vertical current paths, which may include vertical surface regions of a pedestal semiconductor portion that protrudes above a base semiconductor portion. The pedestal semiconductor portion can be formed by etching a semiconductor material layer employing a gate structure as an etch mask. A dielectric gate spacer can be formed on sidewalls of the pedestal semiconductor portion. A source region and a drain region may be formed underneath top surfaces of the base semiconductor portion. Alternatively, epitaxial semiconductor material portions can be grown on the top surfaces of the base semiconductor portions, and a source region and a drain region can be formed therein. Alternatively, a source region and a drain region can be formed within via cavities in a planarization dielectric layer.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: May 7, 2024
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventor: Mitsuhiro Togo
  • Patent number: 11968836
    Abstract: Three-dimensional (3D) semiconductor memory devices are provided. A 3D semiconductor memory device includes an electrode structure on a substrate. The electrode structure includes gate electrodes stacked on the substrate. The gate electrodes include electrode pad regions. The 3D semiconductor memory device includes a dummy vertical structure penetrating one of the electrode pad regions. The dummy vertical structure includes a dummy vertical semiconductor pattern and a contact pattern extending from a portion of the dummy vertical semiconductor pattern toward the substrate.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Younghwan Son, Jeehoon Han
  • Patent number: 11955564
    Abstract: The present application discloses a method for fabricating a semiconductor device with an oxidized intervention layer. The method includes providing a substrate; forming a tunneling insulating layer over the substrate; forming a floating gate over the tunnel oxide layer; forming a dielectric layer over the floating gate; forming a control gate over the dielectric layer; and performing a lateral oxidation process over the substrate, wherein a process temperature of the lateral oxidation process is between about 300° C. and about 600° C.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: April 9, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Te-Yin Chen
  • Patent number: 11955486
    Abstract: An integrated circuit device includes a first device and a second device. The first device is disposed within a first circuit region, the first device including a plurality of first semiconductor strips extending longitudinally in a first direction. Adjacent ones of the plurality of first semiconductor strips are spaced apart from each other in a second direction, which is generally perpendicular to the first direction. The second device is disposed within a second circuit region, the second circuit region being adjacent to the first circuit region in the first direction. The second device includes a second semiconductor strip extending longitudinally in the first direction. A projection of a longitudinal axis of the second semiconductor strip along the first direction lies in a space separating the adjacent ones of the plurality of first semiconductor strips.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: April 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Jhon Jhy Liaw
  • Patent number: 11923190
    Abstract: A Si-free C-containing film having filling capability is deposited by forming a viscous polymer in a gas phase by striking an Ar, He, or N2 plasma in a chamber filled with a volatile hydrocarbon precursor that can be polymerized within certain parameter ranges which define mainly partial pressure of precursor during a plasma strike, and wafer temperature.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: March 5, 2024
    Assignee: ASM IP Holding B.V.
    Inventor: Timothee Julien Vincent Blanquart
  • Patent number: 11901243
    Abstract: Methods related to radio-frequency (RF) switching devices having improved voltage handling capability. In some embodiments, a method for fabricating an RF switching device can include: providing a semiconductor substrate; forming a plurality of field-effect transistors (FETs) on the semiconductor substrate such that the FETs have a non-uniform distribution of a parameter; and connecting the FETs to form a stack, such that the non-uniform distribution results in the stack having a first voltage handling capacity that is greater than a second voltage handling capacity corresponding to a similar stack having a substantially uniform distribution of the parameter.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: February 13, 2024
    Assignee: Skyworks Solutions, Inc.
    Inventors: Guillaume Alexandre Blin, Aniruddha B. Joshi, Christophe Masse
  • Patent number: 11894454
    Abstract: In a general aspect, a silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET) can include a substrate of a first conductivity type, a drift region of the first conductivity type disposed on the substrate, a spreading layer of the first conductivity type disposed in the drift region, a body region of a second conductivity type disposed in the spreading layer, and a source region of the first conductivity type disposed in the body region. The SiC MOSFET can also include a gate structure that includes a gate oxide layer, an aluminum nitride layer disposed on the gate oxide layer, and a gallium nitride layer of the second conductivity disposed on the aluminum nitride layer.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: February 6, 2024
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventor: Andrei Konstantinov
  • Patent number: 11894447
    Abstract: A method for manufacturing a semiconductor device includes: implanting a P-type impurity from a region where the first conductor film is formed toward an inside of the semiconductor substrate with a first acceleration energy; forming a nitride film provided with a first opening on the first conductor film; forming an insulating film with a second opening from which the first conductor film is exposed; forming a second conductor film to fill the second opening of the insulating film; removing the nitride film and a portion of the first conductor film positioned below the nitride film to expose the oxide film in a peripheral area of a formation region of the insulating film; and implanting the P-type impurity from a region from which the oxide film is exposed toward an inside of the semiconductor substrate with a second acceleration energy smaller than the first acceleration energy.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 6, 2024
    Assignee: Lapis Semiconductor Co., Ltd.
    Inventor: Tetsuya Yamamoto
  • Patent number: 11848353
    Abstract: A method includes forming a semiconductor layer on a semiconductor substrate. The semiconductor layer is patterned to form a semiconductive structure. Each of widths of two ends of the semiconductive structure is wider than a width of a middle of the semiconductive structure. The semiconductive structure is doped to form a doped semiconductor structure. An isolation structure is formed to surround the doped semiconductor structure. A recessing process is performed such that two trenches are formed on the doped semiconductor structure, and first, second and third portions of an active region are formed on the semiconductor substrate. A first gate structure and a second gate structure are formed in the trenches such that the first portion and the third portion are partially spaced apart by the first gate structure, and the second portion and the third portion are partially spaced apart by the second gate structure.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: December 19, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Ching-Chia Huang, Tseng-Fu Lu
  • Patent number: 11843046
    Abstract: A high electron mobility transistor (HEMT) includes a buffer layer, a carrier transit layer, a carrier supply layer, a gate, a source electrode and a drain electrode. The buffer layer is on a substrate. The carrier transit layer is on the buffer layer. The carrier supply layer is on the carrier transit layer. The gate is on the carrier supply layer. The source electrode and the drain electrode are at two opposite sides of the gate, wherein each of the source electrode and the drain electrode includes a conductive layer and a conductive oxide layer stacked from bottom to top.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: December 12, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Huai-Tzu Chiang, Sheng-Hao Lin, Kuan-Hung Liu
  • Patent number: 11824062
    Abstract: In a thin film transistor, an increase in off current or negative shift of the threshold voltage is prevented. In the thin film transistor, a buffer layer is provided between an oxide semiconductor layer and each of a source electrode layer and a drain electrode layer. The buffer layer includes a metal oxide layer which is an insulator or a semiconductor over a middle portion of the oxide semiconductor layer. The metal oxide layer functions as a protective layer for suppressing incorporation of impurities into the oxide semiconductor layer. Therefore, in the thin film transistor, an increase in off current or negative shift of the threshold voltage can be prevented.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: November 21, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toshikazu Kondo, Hideyuki Kishida
  • Patent number: 11817480
    Abstract: A semiconductor device with U-shaped channel and electronic apparatus including the same are disclosed. the semiconductor device includes a first device and a second device opposite to each other on a substrate. The two devices each include: a channel portion vertically extending on the substrate and having a U-shape in a plan view; source/drain portions respectively located at upper and lower ends of the channel portion and along the U-shaped channel portion; and a gate stack overlapping the channel portion on an inner side of the U-shape. An opening of the U-shape of the first device and an opening of the U-shape of the second device are opposite to each other. At least a portion of the gate stack of the first device close to the channel portion and at least a portion of the gate stack of the second device close to the channel portion are substantially coplanar.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: November 14, 2023
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11818912
    Abstract: A display may have organic light-emitting diode pixels formed from thin-film circuitry. The thin-film circuitry may be formed in thin-film transistor (TFT) layers and the organic light-emitting diodes may include anodes and cathodes and an organic emissive layer formed over the TFT layers between the anodes and cathodes. The organic emissive layer may be formed via chemical evaporation techniques. The display may include moisture blocking structures such as organic emissive layer disconnecting structures that introduce one or more gaps in the organic emissive layer during evaporation so that any potential moisture permeating path from the display panel edge to the active area of the display is completely terminated.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 14, 2023
    Assignee: Apple Inc.
    Inventors: Tsung-Ting Tsai, Abbas Jamshidi Roudbari, Chuan-Sheng Wei, HanChi Ting, Jae Won Choi, Jianhong Lin, Nai-Chih Kao, Shih Chang Chang, Shin-Hung Yeh, Takahide Ishii, Ting-Kuo Chang, Yu Hung Chen, Yu-Wen Liu, Yu-Chuan Pai, Andrew Lin
  • Patent number: 11810964
    Abstract: A semiconductor device includes a first active region defined on a substrate, a first gate electrode across the first active region, a first drain region in the first active region at a position adjacent to the first gate electrode, an undercut region between the first active region and the first gate electrode, and a first gate spacer on a side surface of the first gate electrode and extending into the undercut region.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: November 7, 2023
    Inventors: Bongseok Suh, Daewon Kim, Beomjin Park, Sukhyung Park, Sungil Park, Jaehoon Shin, Bongseob Yang, Junggun You, Jaeyun Lee
  • Patent number: 11812644
    Abstract: A display apparatus includes a display region and a peripheral region adjacent to the display region. The display apparatus further includes a first flexible substrate (FFS), a driving circuit (DC), a conductive pattern (CP), a conductive line, a light-emitting device, and a support substrate. The FFS includes a first surface and a second surface opposite the first surface. The second surface includes, in the peripheral region, a cavity extending into the FFS. The DC is on the first surface and includes at least one transistor. The CP is in the cavity and is partially exposed by the cavity. The conductive line electrically connects the CP to the DC. The light-emitting device is in the display region and is electrically connected to the DC. The support substrate is on the second surface. In a view normal to the second surface, the support substrate is spaced apart from the CP.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiseong Seo, Jekil Ryu, Wonkyu Choe, Jungho Choi, Mugyeom Kim, Changyong Jeong
  • Patent number: 11799018
    Abstract: A semiconductor structure includes a substrate; and a fin structure disposed on the substrate. The fin structure includes a channel region, a source region, and a drain region. The channel region is located between the source region and the drain region. The channel region includes a first nanowire and a second nanowire above the first nanowire. The first nanowire contains first threshold-voltage adjustment ions, and the second nanowire contains second threshold-voltage adjustment ions. A first opening is formed between the first nanowire and the substrate, and between the source region and the drain region, and a second opening is formed between the first nanowire and the second nanowire, and between the source region and the drain region. The first threshold-voltage adjustment ions are different from the second threshold-voltage adjustment ions in type, concentration, or a combination thereof.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 24, 2023
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Fei Zhou
  • Patent number: 11744122
    Abstract: A display panel and a display apparatus are provided. The display panel includes a display region and a non-display region surrounding the display region. The non-display region includes a step region, a left border and a right border that are adjacent to the step region, and an upper border arranged opposite to the step region. The left border, the right border, the upper border, and the step region surround the display region. The left border and the right border each include an encapsulation region. The encapsulation region includes a sealant and a reflective metal layer that are at least partially overlapped with each other. The step region includes a ground metal line, and the ground metal line is connected to the reflective metal layer through an electrostatic consumption resistance portion. The electrostatic consumption resistance portion includes a first electrostatic consumption resistance portion located at a gate metal layer.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: August 29, 2023
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Haimin Liu, Zhiyong Xiong, Liujing Fan
  • Patent number: 11721744
    Abstract: A method for making a three-dimensional semiconductor structure includes: providing a substrate, forming a first insulating layer on the substrate, and defining at least one channel hole in the first insulating layer; forming a first epitaxial layer in each channel hole and forming a second epitaxial layer stacked on the first epitaxial layer; forming a sacrificial layer on the first insulating layer and exposing the second epitaxial layer relative to the sacrificial layer, forming another first epitaxial layer on the second epitaxial layer; forming a second insulating layer on the sacrificial layer, and forming another second epitaxial layer stacking on the another first epitaxial layer; repeating to form a plurality of sacrificial layers and a plurality of second insulating layers alternately stacked on the first insulating layer, and repeating to form a plurality of first epitaxial layers and a plurality of second epitaxial layers alternately stacked on the substrate.
    Type: Grant
    Filed: December 18, 2021
    Date of Patent: August 8, 2023
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Chung-Yi Chen