Patents Examined by Nishath Yasmeen
  • Patent number: 10242981
    Abstract: A method is presented for forming a semiconductor structure. The method includes forming a plurality of vertical fins over a semiconductor layer formed over a substrate, depositing an oxide over the plurality of fins, and applying a cutting mask over a portion of the plurality of fins. The method further includes removing the oxide from the exposed portion of the plurality of fins, depositing a replacement gate stack, and etching portions of the replacement gate stack to remove exposed fins, the exposed fins forming recesses within the semiconductor layer. The method further includes depositing a spacer over the exposed fins and the recesses formed by the removed fins. A portion of the plurality of fins are cut during etching of the replacement gate stack and a portion of the oxide is removed before deposition of the replacement gate stack.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: March 26, 2019
    Assignee: International Business Machines Corporation
    Inventors: Andrew M. Greene, Balasubramanian S. Pranatharthiharan, Sivananda K. Kanakasabapathy, John R. Sporre
  • Patent number: 10234737
    Abstract: A gas purge valve comprising a housing formed with a fluid inlet and a fluid outlet, said fluid outlet bounded by a kinetic valve seating, and a sealing assembly comprising a float member coaxially displaceable within the housing, and a sealing cap coupled to said float member; the sealing cap being axially displaceable with respect to the float member between a first position in which it conjoins the float, and a second position in which it departs from the float; said sealing cap formed at an outside face thereof with a kinetic seal fitted for sealing engagement of the kinetic valve seating, and an automatic valve aperture formed in the sealing cap and bounded by an automatic valve seating; and an automatic sealing member articulated at an upper end of the float member for sealing engagement of the automatic valve seating.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: March 19, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Jianbo Xian, Wenbo Li
  • Patent number: 10224326
    Abstract: A method is presented for forming a semiconductor structure. The method includes forming a plurality of vertical fins over a semiconductor layer formed over a substrate, depositing an oxide over the plurality of fins, and applying a cutting mask over a portion of the plurality of fins. The method further includes removing the oxide from the exposed portion of the plurality of fins, depositing a replacement gate stack, and etching portions of the replacement gate stack to remove exposed fins, the exposed fins forming recesses within the semiconductor layer. The method further includes depositing a spacer over the exposed fins and the recesses formed by the removed fins. A portion of the plurality of fins are cut during etching of the replacement gate stack and a portion of the oxide is removed before deposition of the replacement gate stack.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: March 5, 2019
    Assignee: International Business Machines Corporation
    Inventors: Andrew M. Greene, Balasubramanian S. Pranatharthiharan, Sivananda K. Kanakasabapathy, John R. Sporre
  • Patent number: 10211330
    Abstract: A silicon carbide vertical MOSFET includes an N-counter layer of a first conductivity type formed in a surface layer other than a second semiconductor layer base layer selectively formed in a low concentration layer on a surface of the substrate, a gate electrode layer formed through a gate insulating film in at least a portion of an exposed portion of a surface of a third semiconductor layer of a second conductivity type between a source region of the first conductivity type and the N-counter layer of the first conductivity type, and a source electrode in contact commonly with surfaces of the source region and the third semiconductor layer. Portions of the second conductivity type semiconductor layer are connected with each other in a region beneath the N-counter layer.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: February 19, 2019
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Noriyuki Iwamuro, Shinsuke Harada, Yasuyuki Hoshi, Yuichi Harada
  • Patent number: 10204925
    Abstract: To provide a novel semiconductor device or a semiconductor device capable of operating at high speed. The semiconductor device includes a plurality of circuits each having a function of storing data and a wiring EL. The plurality of circuits each include a first transistor, a second transistor, and a capacitor. One of a source and a drain of the first transistor is electrically connected to a gate of the second transistor and the capacitor. The first transistor includes an oxide semiconductor in a channel formation region. The wiring EL has a function of a back-gate of the first transistor. A potential for selecting the plurality of circuits is supplied to the wiring EL. Thus, data stored in the plurality of circuits is erased.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: February 12, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Seiichi Yoneda
  • Patent number: 10205093
    Abstract: A vertical Hall Effect element includes a low voltage P-well region disposed at a position between pickups of a vertical Hall Effect element to result in an improved sensitivity of the vertical Hall Effect element. A method results in the vertical Hall Effect element having the improved sensitivity.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: February 12, 2019
    Assignee: Allegro MicroSystems, LLC
    Inventor: Yigong Wang
  • Patent number: 10199315
    Abstract: An IC structure and related method are provided. The IC structure includes: a semiconductor substrate and a TSV disposed within the semiconductor substrate. A first interconnect layer includes a plurality of V0 vias disposed on the TSV, where the plurality of V0 vias are positioned laterally within an upper surface area of the TSV. At least one second interconnect layer disposed over the first interconnect layer includes a plurality of vias laterally positioned outside of a keep out zone positioned over the TSV. The method includes forming a first interconnect layer including a plurality of V0 vias disposed on a TSV, the V0 vias positioned laterally within an upper surface area of the TSV, and forming at least one second interconnect layer disposed over the first interconnect layer and including a plurality of vias laterally positioned outside of a keep out zone positioned over the TSV.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: February 5, 2019
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Mukta Ghate Farooq, John Matthew Safran
  • Patent number: 10192866
    Abstract: A manufacturing method of a semiconductor device according to a disclosed embodiment includes: implanting a first impurity into a first region of a semiconductor substrate, forming a semiconductor layer on the semiconductor substrate, forming a trench in the semiconductor layer and the semiconductor substrate, forming an isolation insulating film in the trench, implanting a second impurity into a second region of the semiconductor layer, forming a first gate insulating film and a first gate electrode in the first region, forming a second gate insulating film and a second gate electrode in the second region, forming a first source region and a first drain region at both sides of the first gate electrode, and forming a second source region and a second drain region at both sides of the second gate electrode.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: January 29, 2019
    Assignee: FUJITSU SEMICONDUCTOR LIMITED
    Inventors: Kazushi Fujita, Taiji Ema, Mitsuaki Hori, Yasunobu Torii
  • Patent number: 10181545
    Abstract: An object is to provide a semiconductor device including a thin film transistor with excellent electrical characteristics and high reliability and a method for manufacturing the semiconductor device with high mass productivity. A main point is to form a low-resistance oxide semiconductor layer as a source or drain region after forming a drain or source electrode layer over a gate insulating layer and to form an oxide semiconductor film thereover as a semiconductor layer. It is preferable that an oxygen-excess oxide semiconductor layer be used as a semiconductor layer and an oxygen-deficient oxide semiconductor layer be used as a source region and a drain region.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: January 15, 2019
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei Yamazaki, Kengo Akimoto, Shigeki Komori, Hideki Uochi
  • Patent number: 10181581
    Abstract: Methods for forming an OLED device are described. An encapsulation structure having organic buffer layer sandwiched between barrier layers is deposited over an OLED structure. The buffer layer is formed with a fluorine-containing plasma. The second barrier layer is then deposited over the buffer layer. Additionally, to ensure good adhesion, a buffer adhesion layer is formed between the buffer layer and the first barrier layer. Finally, to ensure good transmittance, a stress reduction layer is deposited between the buffer layer and the second barrier layer.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: January 15, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Jrjyan Jerry Chen
  • Patent number: 10181528
    Abstract: The invention relates to a thin-film transistor and a manufacturing method thereof. The manufacturing method of the thin-film transistor includes the following steps: an insulating layer is formed to cover a gate on a substrate; a semiconductor pattern having a first region and a second region is formed on the insulating layer; a plurality of island patterns is formed, wherein at least a portion of the plurality of island patterns is disposed on the semiconductor pattern, and the plurality of island patterns is separated from one another by a gap; and a source and a drain are formed to cover a portion of the plurality of island patterns and fill the gaps to respectively be electrically connected to the first region and the second region of the semiconductor pattern.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: January 15, 2019
    Assignee: Chunghwa Picture Tubes, LTD.
    Inventors: Chin-Tzu Kao, Chung-Hsu Wang
  • Patent number: 10170416
    Abstract: A method is presented for forming a semiconductor structure. The method includes depositing an insulating layer over a semiconductor substrate, etching the insulating layer to form trenches for receiving copper (Cu), selectively recessing the Cu at one or more of the trenches corresponding to circuit locations requiring electromigration (EM) short-length, and forming self-aligned conducting caps over the one or more trenches where the Cu has been selectively recessed. The conducting caps can be tantalum nitride (TaN) caps. The method further includes forming a via extending into each of the trenches for receiving Cu. Additionally, the via for trenches including recessed Cu extends to the self-aligned conducting cap, whereas the via for trenches including non-recessed Cu extends to a top surface of the Cu.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: January 1, 2019
    Assignee: International Business Machines Corporation
    Inventors: Benjamin D. Briggs, Elbert Huang, Joe Lee, Christopher J. Penny
  • Patent number: 10170478
    Abstract: Aspects of the disclosure include a method for making a semiconductor, including patterning a first transistor having one or more gate stacks on a first source-drain area and second transistor comprising one or more gate stacks on a second source-drain area, forming dielectric spacers on gate stack side walls, depositing a first nitride liner on the first and second transistors. The method also includes masking the second transistor and etching to remove the first nitride material and the spacer from the first source-drain area and growing a first epitaxial layer on the first source-drain area by an epitaxial growth process. The method also includes depositing a second nitride liner on the first and second transistors. The method also includes masking the first transistor. The method also includes etching to remove the second nitride material from the second source-drain area and growing a second epitaxial layer on the second source-drain area by an epitaxial growth process.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: January 1, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Soon-Cheon Seo
  • Patent number: 10163794
    Abstract: The present disclosure relates to an integrated chip having a back-end-of-the-line (BEOL) metal interconnect structure with capping layers that provide for improved reliability. In some embodiments, the integrated chip has a dielectric layer disposed over a semiconductor substrate, and one or more metal layer structures disposed within the dielectric layer. A first capping layer is located over the dielectric layer at positions between the one or more metal layer structures, so that the first capping layer is located along an interface having the one or more metal layer structures interspersed between the first capping layer. A second capping layer is located over the one or more metal layer structures. An etch stop layer is arranged over the first capping layer and the second capping layer and laterally surrounds the second capping layer.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chao-Chun Wang, Su-Jen Sung
  • Patent number: 10133130
    Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising, a substrate, and a pixel electrode disposed on the substrate, wherein the pixel electrode includes first cutout portions, which are disposed along edges of the pixel electrode, and second cutout portions, which are disposed closer than the first cutout portions to a center of the pixel electrode, and each of the second cutout portions includes first and second extensions, which extend in different directions and are connected to each other.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keun Woo Park, Jang Il Kim, Su Wan Woo, Yeo Geon Yoon, Tae Kyung Yim
  • Patent number: 10121851
    Abstract: A method includes forming isolation regions extending from a top surface of a semiconductor substrate into the semiconductor substrate, and forming a hard mask strip over the isolation regions and a semiconductor strip, wherein the semiconductor strip is between two neighboring ones of the isolation regions. A dummy gate strip is formed over the hard mask strip, wherein a lengthwise direction of the dummy gate strip is perpendicular to a lengthwise direction of the semiconductor strip, and wherein a portion of the dummy gate strip is aligned to a portion of the semiconductor strip. The method further includes removing the dummy gate strip, removing the hard mask strip, and recessing first portions of the isolation regions that are overlapped by the removed hard mask strip. A portion of the semiconductor strip between and contacting the removed first portions of the isolation regions forms a semiconductor fin.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: November 6, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuo-Cheng Ching, Shi Ning Ju, Guan-Lin Chen
  • Patent number: 10121747
    Abstract: According to an aspect, a semiconductor device and an IO-cell include a plurality of first power supply lines and a plurality of second power supply lines alternately arranged in a first direction, the first and second power supply lines each being supplied with electric power in which the voltage of the electric power supplied to the first power supply is different from that supplied to the second power supply, and a third power supply line formed in a wiring layer different from a wiring layer in which the first and second power supply lines are arranged, the third power supply line being connected to adjacent first power supply lines among the plurality of first power supply lines through a via, in which all of the first, second and third power supply lines are formed so as to extend in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: November 6, 2018
    Assignee: Renesas Electronics Corporation
    Inventor: Keisuke Nakayama
  • Patent number: 10121802
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the same and a display device. The array substrate includes a plurality of signal lines and a connection line electrically connected to the plurality of signal lines. During the formation of each insulation layer on the connection line, a via-hole is formed at a position where the connection line is to be interrupted. In addition, the protection layer is provided to cover the portion of the connection line corresponding to the region where the via-hole is located, so as to protect the connection line. Upon the completion of the insulation layers, the connection line may be interrupted through the via-holes, so as to interrupt electrical connection among the signal lines.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: November 6, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Quanhu Li
  • Patent number: 10121890
    Abstract: An embodiment of a structure provides an enhanced performing high voltage device, configured as a lateral diffused MOS (HV LDMOS) formed in a tri-well structure (a small n-well in an extended p-type well inside an n-type well) within the substrate with an anti-punch through layer and a buried layer below the n-type well, which reduces substrate leakage current to almost zero. The drain region is separated into two regions, one within the small n-well and one contacting the outer n-type well such that the substrate is available for electric potential lines during when a high drain voltage is applied.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: November 6, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ker Hsiao Huo, Chih-Chang Cheng, Ru-Yi Su, Jen-Hao Yeh, Fu-Chih Yang, Chun Lin Tsai
  • Patent number: 10115786
    Abstract: A capacitor includes: a bottom electrode; a middle electrode on the bottom electrode; a top electrode on the middle electrode; a first dielectric layer between the bottom electrode and the middle electrode; and a second dielectric layer between the middle electrode and the top electrode. Preferably, the second dielectric layer is disposed on at least a sidewall of the middle electrode to physically contact the first dielectrically, and the middle electrode includes a H-shape.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: October 30, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Zhibiao Zhou, Shao-Hui Wu, Chi-Fa Ku, Chen-Bin Lin