Patents Examined by Maliheh Malek
  • Patent number: 11276667
    Abstract: Heat dissipation technology in a die stack is disclosed. In one example, an electronic device comprises a pair of electrically coupled dies; and a heat spreader disposed between the pair of dies and electrically isolated from an electrical connection between the pair of dies.
    Type: Grant
    Filed: December 31, 2016
    Date of Patent: March 15, 2022
    Assignee: Intel Corporation
    Inventor: Yen Hsiang Chew
  • Patent number: 11258040
    Abstract: A display device includes an active region and a non-active region. The display device includes a display panel and a polarizing member which is disposed on a surface of the display panel, where the display panel and the polarizing member include a first through hole which penetrates the display panel and the polarizing member in a thickness direction and a hole coating layer which is disposed on an inner wall of the polarizing member of the first through hole.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang Hee Won
  • Patent number: 11257681
    Abstract: A method of forming a semiconductor structure includes forming a nanosheet stack including alternating layers of a sacrificial material and a channel material over a substrate, the layers of channel material providing nanosheet channels for one or more nanosheet field-effect transistors. The method also includes forming a hard mask stack over the nanosheet stack, and forming a patterning layer over the hard mask stack. The method further includes patterning a lithographic mask over the patterning layer, the lithographic mask defining (i) one or more first regions for direct printing of one or more fins of a first width in the nanosheet stack and the substrate and (ii) one or more second regions for setting the spacing between two or more fins of a second width in the nanosheet stack and the substrate using self-aligned double patterning. The second width is less than the first width.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: February 22, 2022
    Assignee: International Business Machines Corporation
    Inventors: Stuart Sieg, Daniel James Dechene, Eric Miller
  • Patent number: 11251261
    Abstract: Methods, apparatuses, and systems related to forming a barrier material on an electrode are described. An example method includes forming a top electrode of a storage node on a dielectric material in a semiconductor fabrication sequence and forming, in-situ in a semiconductor fabrication apparatus, a barrier material on the top electrode to reduce damage to the dielectric material when ex-situ of the semiconductor fabrication apparatus.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: February 15, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Sanket S Kelkar, An-Jen B. Cheng, Dojun Kim, Christopher W. Petz, Matthew N. Rocklein, Brenda D. Kraus
  • Patent number: 11251278
    Abstract: A semiconductor device includes a semiconductor part; first and second electrodes respectively on back and front surfaces of the semiconductor part; and a control electrode between the semiconductor part and the second electrode. The control electrode is provided inside a trench of the semiconductor part. The control electrode is electrically insulated from the semiconductor part by a first insulating film and electrically insulated from the second electrode by a second insulating film. The control electrode includes an insulator at a position apart from the first insulating film and the second insulating film. The semiconductor part includes a first layer of a first conductivity type provided between the first and second electrodes, the second layer of a second conductivity type provided between the first layer and the second electrode and the third layer of the first conductivity type selectively provided between the second layer and the second electrode.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: February 15, 2022
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Hiroyuki Kishimoto, Hiroaki Katou, Toshifumi Nishiguchi, Saya Shimomura, Kouta Tomita
  • Patent number: 11251296
    Abstract: A MOSFET device comprising: a structural region, made of a semiconductor material having a first type of conductivity, which extends between a first side and a second side opposite to the first side along an axis; a body region, having a second type of conductivity opposite to the first type, which extends in the structural region starting from the first side; a source region, having the first type of conductivity, which extends in the body region starting from the first side; a gate region, which extends in the structural region starting from the first side, traversing entirely the body region; and a shielding region, having the second type of conductivity, which extends in the structural region between the gate region and the second side. The shielding region is an implanted region self-aligned, in top view, to the gate region.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: February 15, 2022
    Assignee: STMicroelectronics S.r.l.
    Inventors: Mario Giuseppe Saggio, Edoardo Zanetti
  • Patent number: 11245015
    Abstract: The present disclosure relates to the field of display technologies, and discloses a Thin Film Transistor, a method for preparing the same, an array substrate, a display panel and an apparatus. The TFT includes: a base substrate; an active layer; a source electrode; and a drain electrode; where the active layer, the source electrode, and the drain electrode are sequentially laminated on the base substrate; and a projection of the source electrode on the base substrate covers a projection of part of edges of the active layer on the base substrate.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 8, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chuan Chen, Pengyu Chen, Tao Ma, Chengshao Yang
  • Patent number: 11245018
    Abstract: A semiconductor device may include an active region extending primarily in a first direction on a substrate. A gate structure may be disposed to intersect the active region, and extend primarily in a second direction intersecting the first direction. A gate isolation pattern may contact one end of the gate structure. The gate structure may include a plurality of portions each having different widths in the first direction, and the gate isolation pattern may have a width greater than a width of at least one of the plurality of portions of the gate structure.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Chul Sagong, Sung Eun Kim, Jin Woo Kim, June Kyun Park, Sang Woo Pae, Ki Hyun Choi
  • Patent number: 11239205
    Abstract: A method includes bonding a first device die with a second device die. The second device die is over the first device die. A passive device is formed in a combined structure including the first and the second device dies. The passive device includes a first and a second end. A gap-filling material is formed over the first device die, with the gap-filling material including portions on opposite sides of the second device die. The method further includes performing a planarization to reveal the second device die, with a remaining portion of the gap-filling material forming an isolation region, forming a first and a second through-vias penetrating through the isolation region to electrically couple to the first device die, and forming a first and a second electrical connectors electrically coupling to the first end and the second end of the passive device.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chia Hu, Ming-Fa Chen
  • Patent number: 11227926
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device comprises a substrate, a plurality of isolation regions in the substrate and an active region surrounded by the isolation regions. A p-type doped region is interposed between two n-type doped regions in the substrate. A buried gate structure is formed in the substrate and disposed between the p-type doped region and the n-type doped region. The buried gate structure comprises a gate conductive material, a gate insulating layer disposed over the gate conductive material and a gate liner surrounding the gate conductive material and the gate insulating layer. A plurality of contact plugs are formed on the p-type doped region and the plurality of n-type doped regions.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: January 18, 2022
    Assignee: Nanya Technology Corporation
    Inventor: Ching-Chia Huang
  • Patent number: 11222961
    Abstract: A semiconductor device is disclosed, a substrate structure; a raised source region; a raised drain region; a separation region disposed laterally between the raised source region and the raised drain region; a gate structure, disposed between the raised source region and the raised drain region and above a part of the separation region, the gate structure being spaced apart from the drain region and defining a drain extension region therebetween; a dummy gate structure in the drain extension region; an epitaxial layer, disposed above and in contact with the substrate structure and forming the raised source region, the raised drain region, and a raised region between the gate structure and the dummy gate structure, wherein the raised region between the gate structure and the dummy gate structure is relatively lightly doped to a conductivity of a second conductivity type which is opposite the first conductivity type.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 11, 2022
    Assignee: NXP B.V.
    Inventors: Viet Dinh, Guido Sasse, Paul Grudowski
  • Patent number: 11211308
    Abstract: A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a substrate, a transistor and a heat dissipation structure. The substrate includes first and second semiconductor layers, and includes an insulating layer disposed between the first and second semiconductor layers. The substrate has a recess extending into the insulating layer from a surface of the first semiconductor layer. The transistor includes a hetero-junction structure, a gate electrode, a drain electrode and a source electrode. The hetero-junction structure is disposed on the second semiconductor layer. The gate, drain and source electrodes are disposed over the hetero-junction structure. The gate electrode is located between the drain electrode and the source electrode, and an active area of the hetero-junction structure located between the drain electrode and the source electrode is overlapped with the recess of the substrate.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: December 28, 2021
    Assignee: GlobalWafers Co., Ltd.
    Inventors: Hsien-Chin Chiu, Ying-Ru Shih
  • Patent number: 11205620
    Abstract: An integrated circuit module, system and method of providing power and signals is disclosed that includes a silicon chip and a package substrate having voltage connections and signal connections. The silicon chip includes a silicon substrate having a top surface, a bottom surface and circuitry formed therein, one or more front-side metal layers formed on the top surface of the silicon substrate, one or more back-side metal layers formed on the bottom surface of the silicon substrate, and one or more through silicon vias (TSVs) formed through the silicon substrate for creating a conductive pathway from the back-side of the silicon substrate to the front-side of the silicon substrate, preferably closest to the silicon substrate.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 21, 2021
    Assignee: International Business Machines Corporation
    Inventors: Hassan Naser, Daniel Stasiak
  • Patent number: 11201241
    Abstract: A method of forming a vertical transport field-effect transistor (VFET) is provided. The method includes forming vertical fin channels by etching part way through a substrate. The method further includes forming a bottom source/drain electrode partially into the substrate and beneath the vertical fin channels. A gate dielectric layer is then formed on the vertical fin channels. A gate conductor layer is then formed on the gate dielectric layer. A height of the gate conductor layer is less than a height of the vertical fin channels. The method further includes forming a spacer layer on a top surface of the gate conductor layer. The method also includes forming a top source/drain electrode on a top surface of the vertical fin channels. A gap exists between the top source/drain electrode and the spacer layer.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: December 14, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Choonghyun Lee, Alexander Reznicek, Xin Miao, Richard Glen Southwick, III
  • Patent number: 11201124
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a semiconductor substrate and a first deep trench isolation (DTI) structure filled with a dielectric material formed on the semiconductor substrate. The first DTI structure is disposed in the first seal ring region and is extended into the semiconductor substrate. The semiconductor substrate has a pixel array region and a first seal ring region. The first seal ring region is proximate to an edge of the semiconductor substrate and surrounds the pixel array region. The first DTI structure is formed in the first seal ring region and surrounds the pixel array region.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: December 14, 2021
    Assignee: OMNIVISION TECHNOLOGIES, INC.
    Inventors: Chia-Ying Liu, Wu-Zang Yang, Chia-Jung Liu, Chi-Chih Huang
  • Patent number: 11195973
    Abstract: Disclosed herein are techniques for improving the light emitting efficiency of micro light emitting diodes. According to certain embodiments, micro-LEDs having small physical dimensions are fabricated on III-nitride materials with semi-polar crystal lattice orientations to reduce the surface recombination of excess charge carriers that does not generate photons and to reduce the polarization induced internal field that may cause energy band shift and aggravate the Quantum-Confined Stark Effect, thereby increasing the peak quantum efficiencies and/or reducing the peak efficiency current density of the micro-LEDs.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: December 7, 2021
    Assignee: FACEBOOK TECHNOLOGIES, LLC
    Inventors: Christopher Pynn, Anneli Munkholm
  • Patent number: 11195753
    Abstract: Tiered-profile contacts for semiconductor devices and techniques for formation thereof are provided In one aspect, a method for forming tiered-profile contacts to a semiconductor device includes: depositing a first oxide layer over the semiconductor device; depositing a second oxide layer on the first oxide layer; patterning contact trenches through the first/second oxide layer down to the semiconductor device; isotropically etching a top portion of the contact trenches selective to a bottom portion of the contact trenches based on the second oxide layer having a greater etch rate than the first oxide layer to make the top portion of the contact trenches wider than the bottom portion; and filling the contact trenches with a contact metal(s) to form the tiered-profile contacts. Other methods to form tiered-profile contacts using sacrificial spacers as well as structures including the present tiered-profile contacts are also provided.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 7, 2021
    Assignee: International Business Machines Corporation
    Inventors: Kisik Choi, Kangguo Cheng
  • Patent number: 11189563
    Abstract: The semiconductor structure includes a first die, a second die, a connecting portion, and a through-substrate via. The first die includes a first dielectric layer and a first helical conductor embedded therein. The second die includes a second dielectric layer and a second helical conductor embedded therein, wherein the second dielectric layer is bonded with the first dielectric layer, thereby forming an interface. The connecting portion extends from the first dielectric layer through the interface to the second dielectric layer and interconnects the first helical conductor with the second helical conductor. The through-substrate via extends from the first die to the second die through the interface, wherein the through-substrate via is surrounded by the first and the second helical conductors.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: November 30, 2021
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Shing-Yih Shih
  • Patent number: 11189762
    Abstract: A self-emissive element includes a light-emitting diode (LED) and an auxiliary structure. The LED includes a first type semiconductor, a second type semiconductor, a first pad, and a second pad. The second type semiconductor is overlapped with the first type semiconductor in a vertical direction perpendicular. The auxiliary structure includes a cover portion, a protection portion and a first anchor portion. The cover portion is overlapped with the LED in the vertical direction. The protection portion is not overlapped with the LED in the vertical direction. An orthographic projection area of the protection portion in the vertical direction is greater than or equal to an orthographic projection area of the LED in the vertical direction. The first anchor portion and the protection portion are respectively located at different sides of the LED.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: November 30, 2021
    Assignee: Au Optronics Corporation
    Inventor: Chung-Chan Liu
  • Patent number: 11164921
    Abstract: An array substrate, a method of manufacturing thereof, and a display device are provided. The array substrate includes a substrate, an array layer disposed on the substrate, an anode trace layer disposed on the array layer, a first pixel defining layer being an inorganic layer and disposed on the array layer, a first opening extending through the first pixel defining layer, a second pixel defining layer disposed on the first pixel defining layer, and a second opening extending through the second pixel defining layer. A projection of the first opening defined on the array layer completely falls within a projection of the second opening defined on the array layer. A light emitting region is defined by forming two pixel defining layers, so a color mixing problem is improved, and a pixel defining layer made of an inorganic material can improve a moisture barrier property of a pixel region.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: November 2, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xingyong Zhang