Patents Examined by Changhyun Yi
  • Patent number: 11610980
    Abstract: A method for processing a forksheet device includes providing a substrate and forming a trench in the substrate, extending along a first direction, in the substrate. The formation of the trench includes forming a grating structure on the substrate that includes a pair of maskings, arranged at a distance from each other, and etching the trench into the substrate in a region between the pair of maskings. The method also includes filling the trench with a filling material and partially recessing the substrate to form a fin structure. This fin structure includes the filled trench, a first section of the substrate at a first side of the filled trench and a second section of the substrate at a second side of the filled trench, and forming a gate structure on and around the fin structure. The method additionally includes forming a gate structure on and around the fin structure.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: March 21, 2023
    Assignee: IMEC VZW
    Inventors: Boon Teik Chan, Changyong Xiao, Jie Chen
  • Patent number: 11605638
    Abstract: Semiconductor structures and methods are provided. A method according to the present disclosure includes forming a first channel member, a second channel member directly over the first channel member, and a third channel member directly over the second channel member, depositing a first metal layer around each of the first channel member, the second channel member, and the third channel member, removing the first metal layer from around the second channel member and the third channel member while the first channel member remains wrapped around by the first metal layer, after the removing of the first metal layer, depositing a second metal layer around the second channel member and the third channel member, removing the second metal layer from around the third channel member, and after the removing of the second metal layer, depositing a third metal layer around the third channel member.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Hao Lin, Kian-Long Lim, Chia-Hao Pao, Chih-Chuan Yang, Chia-Wei Chen, Chien-Chih Lin
  • Patent number: 11605712
    Abstract: A method for manufacturing a semiconductor device includes forming a support on a side surface of a stack that extends from a substrate. The stack includes a second sacrificial film, plural first sacrificial films and plural silicon (Si)-containing films, wherein one first sacrificial film of the plural sacrificial films is stacked upon the second sacrificial film and the plural sacrificial films and the plural Si-containing films are alternately stacked upon one another, and at least a side of the second sacrificial film is not covered by the support, the one first sacrificial film and the substrate. The method further includes removing the second sacrificial film from the stack to form a space between the substrate and the one first sacrificial film and adjacent to the support, and filling the space with a dielectric film.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 14, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Shimpei Yamaguchi, Atsushi Tsuboi, Atsushi Endo, Masaru Sugimoto, Hiroshi Yano, Yasushi Kodashima, Masanobu Igeta
  • Patent number: 11605803
    Abstract: A stretchable display device comprises a lower substrate, a plurality of island substrates disposed on the lower substrate and spaced apart from each other, a plurality of display elements disposed on the plurality of island substrates, a plurality of connecting lines disposed between each of the plurality of island substrates, an upper substrate disposed on the lower substrate, the plurality of display elements and the plurality of connecting lines, and a polarizing layer disposed on the upper substrate and including a phase delay layer on the upper substrate and a linear polarizing plate on the phase delay layer, wherein the phase delay layer includes a first base polymer, wherein the linear polarizing plate includes a second base polymer, and wherein the first and second base polymers include a same material as the upper substrate.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: March 14, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kihan Kim, Hyokang Lee, Hohyun Keum
  • Patent number: 11605719
    Abstract: Semiconductor device structures with a gate structure having different profiles at different portions of the gate structure may include a fin structure on a substrate, a source/drain structure on the fin structure, and a gate structure over the fin structure and along a sidewall of the fin. The source/drain structure is proximate the gate structure. The gate structure has a top portion having a first sidewall profile and a bottom portion having a second sidewall profile different from the first sidewall profile.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih Ping Wang, Chao-Cheng Chen, Jr-Jung Lin, Chi-Wei Yang
  • Patent number: 11600540
    Abstract: A semiconductor device includes a semiconductor layer of first-conductivity-type that has a main surface and that includes an active region set at the main surface, a current detection region set at the main surface away from the active region, and a boundary region set in a region between the active region and the current detection region at the main surface, a first body region of second-conductivity-type formed in a surface layer portion of the main surface at the active region, a first trench gate structure formed in the main surface at the active region, a second body region of second-conductivity-type formed in the surface layer portion of the main surface at the current detection region, a second trench gate structure formed in the main surface at the current detection region, a well region of second-conductivity-type formed in the surface layer portion of the main surface at the boundary region, and a dummy trench gate structure formed in an electrically floating state in the main surface at the bound
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: March 7, 2023
    Assignee: ROHM CO., LTD.
    Inventor: Jun Takaoka
  • Patent number: 11600720
    Abstract: A process is provided to fabricate a finFET device having a semiconductor layer of a two-dimensional “2D” semiconductor material. The semiconductor layer of the 2D semiconductor material is a thin film layer formed over a dielectric fin-shaped structure. The 2D semiconductor layer extends over at least three surfaces of the dielectric fin structure, e.g., the upper surface and two sidewall surfaces. A vertical protrusion metal structure, referred to as “metal fin structure”, is formed about an edge of the dielectric fin structure and is used as a seed to grow the 2D semiconductor material.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: March 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chao-Ching Cheng, Hung-Li Chiang, Chun-Chieh Lu, Ming-Yang Li, Tzu-Chiang Chen
  • Patent number: 11594603
    Abstract: An exemplary device includes a channel layer, a first epitaxial source/drain feature, and a second epitaxial source/drain feature disposed over a substrate. The channel layer is disposed between the first epitaxial source/drain feature and the second epitaxial source/drain feature. A metal gate is disposed between the first epitaxial source/drain feature and the second epitaxial source/drain feature. The metal gate is disposed over and physically contacts at least two sides of the channel layer. A source/drain contact is disposed over the first epitaxial source/drain feature. A doped crystalline semiconductor layer, such as a gallium-doped crystalline germanium layer, is disposed between the first epitaxial source/drain feature and the source/drain contact. The doped crystalline semiconductor layer is disposed over and physically contacts at least two sides of the first epitaxial source/drain feature.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: February 28, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Georgios Vellianitis, Blandine Duriez
  • Patent number: 11588030
    Abstract: A method includes forming a gate structure over a substrate. A dielectric cap is formed over the gate structure. A source/drain contact is formed over a source/drain region over the substrate. An etch stop layer is selectively formed over the dielectric cap such that the etch stop layer expose the source/drain contact. An interlayer dielectric is formed over the etch stop layer and the source/drain contact. A source/drain via is formed in the ILD and is connected to the source/drain contact.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: February 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Tze-Liang Lee
  • Patent number: 11587972
    Abstract: A light emitting device including a substrate, first and second light emitting diodes (LEDs) each including first and second semiconductor layers, a first upper electrode disposed on the second LED, electrically connected to the first LED, and insulated from the second semiconductor layer of the first LED, and a second upper electrode disposed on the second LED, electrically connected to the second LED, and insulated from the second semiconductor layer of the second LED, in which a portion of the substrate between the LEDs does not overlap the semiconductor layers, the first upper electrode has a portion electrically connected to the second semiconductor layer of the second LED and covering the first portion and portions of the LEDs, and the second upper electrode has a groove partially enclosing the portion of the first upper electrode in a plan view.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: February 21, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Min Jang, Jong Hyeon Chae, Joon Sup Lee, Daewoong Suh, Hyun A Kim, Won Young Roh, Min Woo Kang
  • Patent number: 11587846
    Abstract: A semiconductor device includes a heat dissipation substrate and a device layer. The thermal conductivity of the heat dissipation substrate is greater than 200 Wm?1K?1 and the device layer is disposed on the heat dissipation substrate. The device layer includes a transistor. A method of forming a semiconductor device includes providing a base substrate, forming a heat dissipation substrate on the base substrate, wherein a thermal conductivity of the heat dissipation substrate is greater than 200 Wm?1K?1. The method further includes forming a device layer on the heat dissipation substrate, wherein the device layer comprises a transistor. The method further includes removing the base substrate.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: February 21, 2023
    Assignees: MEDIATEK INC.
    Inventors: Ming-Tzong Yang, Hsien-Hsin Lin, Wen-Kai Wan, Chia-Che Chung, Chee-Wee Liu
  • Patent number: 11581404
    Abstract: Gate-all-around integrated circuit structures having depopulated channel structures, and methods of fabricating gate-all-around integrated circuit structures having depopulated channel structures, are described. For example, an integrated circuit structure includes a first vertical arrangement of nanowires and a second vertical arrangement of nanowires above a substrate, the first vertical arrangement of nanowires having a greater number of active nanowires than the second vertical arrangement of nanowires, and the first and second vertical arrangements of nanowires having co-planar uppermost nanowires. The integrated circuit structure also includes a first vertical arrangement of nanoribbons and a second vertical arrangement of nanoribbons above the substrate, the first vertical arrangement of nanoribbons having a greater number of active nanoribbons than the second vertical arrangement of nanoribbons, and the first and second vertical arrangements of nanoribbons having co-planar uppermost nanoribbons.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: February 14, 2023
    Assignee: Intel Corporation
    Inventors: Tanuj Trivedi, Jeong Dong Kim, Walid M. Hafez, Hsu-Yu Chang, Rahul Ramaswamy, Ting Chang, Babak Fallahazad
  • Patent number: 11581218
    Abstract: A method comprises forming a gate structure between gate spacers; etching back the gate structure to fall below top ends of the gate spacers; forming a gate dielectric cap over the etched back gate structure; performing an ion implantation process to form a doped region in the gate dielectric cap; depositing a contact etch stop layer over the gate dielectric cap and an ILD layer over the contact etch stop layer; performing a first etching process to form a gate contact opening extending through the ILD layer and terminating prior to reaching the doped region of the gate dielectric cap; performing a second etching process to deepen the gate contact opening, wherein the second etching process etches the doped region of the gate dielectric cap at a slower etch rate than etching the contact etch stop layer; and forming a gate contact in the deepened gate contact opening.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: February 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Te-Chih Hsiung, Jyun-De Wu, Peng Wang, Huan-Just Lin
  • Patent number: 11575034
    Abstract: An integrated circuit (IC) structure with a nanowire power switch device and a method of forming the IC structure are disclosed. The IC structure includes a front end of line (FEOL) device layer having a plurality of active devices, a first back end of line (BEOL) interconnect structure on the (FEOL) device layer, and a nanowire switch on the first BEOL interconnect structure. A first end of the nanowire switch is connected to an active device of the plurality of active devices through the first BEOL interconnect structure. The IC structure further includes a second BEOL interconnect structure on the nanowire switch. A second end of the nanowire switch is connected to a power source through the second BEOL interconnect structure and the second end is opposite to the first end.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: February 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Li-Yang Chuang, Ching-Wei Tsai, Wang-Chun Huang, Kuan-Lun Cheng
  • Patent number: 11575004
    Abstract: A semiconductor structure includes a substrate, including a first region, a second region, and a third region between the first region and the second region; a first fin structure including first nanowires disposed over the first region; a second fin structure including second nanowires disposed over the second region; and a first doped layer, disposed over the third region and in contact with each first nanowire and each second nanowire. The first and second nanowires are respectively arranged along a direction perpendicular to the surface of the substrate and both contain first doping ions. The first doped layer contains second doping ions with a type opposite to the type of the first doping ions. The semiconductor structure includes a source doped layer over the first region; a drain doped layer over the second region; and a first gate structure, disposed across the first fin structure and surrounding each first nanowire.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: February 7, 2023
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
    Inventor: Fei Zhou
  • Patent number: 11575014
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate comprising an element isolation region and an active region defined by the element isolation region, a fin-type pattern on the active region, the fin-type pattern extending in a first horizontal direction, a gate electrode on the fin-type pattern, the gate electrode extending in a second horizontal direction that crosses the first horizontal direction, a capping pattern on the gate electrode, a source/drain region on at least one side of the gate electrode, a source/drain contact on the source/drain region and electrically connected to the source/drain region, and a filling insulating layer on the source/drain contact, the filling insulating layer having a top surface at a same level as a top surface of the capping pattern, and including a material containing a carbon (C) atom.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Deok Han Bae, Sung Min Kim, Ju Hun Park, Myung Yoon Um, Jong Mil Youn
  • Patent number: 11569468
    Abstract: Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin A Kim, Yuho Won, Sung Woo Kim, Tae Hyung Kim, Jeong Hee Lee, Eun Joo Jang
  • Patent number: 11569469
    Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Kwanghee Kim, Hongkyu Seo, Eun Joo Jang, Oul Cho, Tae Hyung Kim, Yuho Won, Hee Jae Lee
  • Patent number: 11569389
    Abstract: A semiconductor device includes a fin-type pattern on a substrate, the fin-type pattern extending in a first direction and protruding from the substrate in a third direction, a first wire pattern on the fin-type pattern, the first wire pattern being spaced apart from the fin-type pattern in the third direction, and a gate electrode extending in a second direction, which is perpendicular to the first and third directions, and surrounding the first wire pattern, the gate electrode including a first portion that overlaps with the fin-type pattern in the second direction and a second portion corresponding to a remainder of the gate electrode except for the first portion.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon Seung Yang, Eun Hye Choi, Seung Mo Kang, Yong Seung Kim, Jung Taek Kim, Min-Hee Choi
  • Patent number: 11569361
    Abstract: An embodiment includes a method of forming a semiconductor device and the resulting device. The method may include forming a source/drain on an exposed portion of a semiconductor layer of a layered nanosheet. The method may include forming a sacrificial material on the source/drain. The method may include forming a dielectric layer covering the sacrificial material. The method may include replacing the sacrificial material with a contact liner. The semiconductor device may include a first gate nanosheet stack and second gate nanosheet stack. The semiconductor device may include a first source/drain in contact with the first nanosheet stack and a second source/drain in contact with the second nanosheet stack. The semiconductor device may include a source/drain dielectric located between the first source/drain and the second source/drain. The semiconductor device may include a contact liner in contact with the first source/drain, the second source/drain and the source/drain dielectric.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: January 31, 2023
    Assignee: International Business Machines Corporation
    Inventors: Julien Frougier, Ruilong Xie, Kangguo Cheng, Chanro Park