Patents Examined by Fakeha Sehar
  • Patent number: 12389653
    Abstract: Semiconductor devices and methods are provided. An exemplary method according to the present disclosure includes providing fin-shaped active regions protruding from a substrate, forming cladding layers extending along sidewalls of the fin-shaped active regions, forming a dielectric feature over the substrate to fill space between two adjacent cladding layers, forming a gate structure over channel regions of the fin-shaped active regions and over a first portion of the cladding layers, performing an etching process to remove a second portion of the cladding layers not covered by the gate structure to form sidewall spacer trenches, forming a dielectric spacer in each of the sidewall spacer trenches, and after the forming of the dielectric spacers, forming source/drain features.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: August 12, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun-Fai Cheng, Chang-Miao Liu, Ming-Lung Cheng
  • Patent number: 12362334
    Abstract: Embodiments of the present disclosure provide an intermediate substrate, including: a first substrate; a black photoresist layer on a side of the first substrate; and a plurality of light emitting devices on a side of the black photoresist layer away from the first substrate. Each of the plurality of light emitting devices has a light-exiting side for emergence of light emitted by the light emitting device, the light-exiting side is in contact with the black photoresist layer, and the light emitting device includes a driving electrode for introducing a driving signal.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: July 15, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Liang, Yingwei Liu, Guoqiang Wang, Muxin Di, Ke Wang, Hsuanwei Mai, Zhanfeng Cao
  • Patent number: 12336207
    Abstract: Provided are a semi-conductor structure and a manufacturing method thereof. The semi-conductor structure includes: a substrate, a heterojunction, a P-type ion doped layer and a gate insulation layer disposed from bottom to top, wherein the heterojunction includes a source region, a drain region and a gate region; the P-type ion doped layer in the gate region includes an activated region and non-activated regions, P-type doping ions in the activated region are activated, and P-type doping ions in the non-activated regions are passivated; the non-activated regions include at least two regions which are spaced apart in a direction perpendicular to a connection line of the source region and the drain region; the gate insulation layer is located on the non-activated region to expose the activated region.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: June 17, 2025
    Assignee: ENKRIS SEMICONDUCTOR, INC.
    Inventors: Kai Cheng, Dandan Zhu
  • Patent number: 12334331
    Abstract: A substrate processing method includes step (a) of adsorbing a precursor on a side wall surface of a substrate where the side wall surface defines a recess in the substrate. The substrate processing method further includes step (b) of supplying a first chemical species and a second chemical species to the substrate. The first chemical species forms a film from the precursor on the side wall surface, and the second chemical species suppresses an increase of the thickness of the film. Steps (a) and (b) are alternately repeated.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: June 17, 2025
    Assignee: TOKYO ELECTRON LIMITED
    Inventor: Takayuki Katsunuma
  • Patent number: 12317501
    Abstract: A semiconductor device includes a peripheral circuit region with a first substrate, circuit devices on the first substrate, and a first wiring structure, a memory cell region with a second substrate that has a first region and a second region, gate electrodes stacked in the first region, channel structures that penetrate the gate electrodes, a first horizontal conductive layer on the second substrate in the first region, an insulating region on the second substrate in the second region, a second horizontal conductive layer on the first horizontal conductive layer and the insulating region, and a second wiring structure, and a third wiring structure that connects the first substrate to the second substrate, and includes an upper via that penetrates the second horizontal conductive layer, the insulating region, and the second substrate, and a lower wiring structure connected to the upper.
    Type: Grant
    Filed: October 12, 2023
    Date of Patent: May 27, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sejie Takaki, Joonhee Lee
  • Patent number: 12315801
    Abstract: A microelectronic device comprises a stack structure, contact structures, and additional contact structures. The stack structure comprises a vertically alternating sequence of conductive material and insulative material arranged in tiers. The stack structure is divided into blocks each comprising a stadium structure including steps comprising horizontal ends of the tiers. The contact structures are within a horizontal area of the stadium structure and vertically extend through the stack structure. The additional contact structures are on at least some of the steps of the stadium structure and are coupled to the contact structures. Memory devices and electronic devices are also disclosed.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: May 27, 2025
    Assignee: Micron Technology, Inc.
    Inventors: Indra V. Chary, Shuangqiang Luo, Lifang Xu
  • Patent number: 12298646
    Abstract: According to one embodiment, a display device includes a first oxide semiconductor, a second oxide semiconductor, a first source electrode contacting the first oxide semiconductor in a first opening, a first drain electrode contacting the first oxide semiconductor in a second opening, a second source electrode contacting the second oxide semiconductor in a third opening, and a second drain electrode contacting the second oxide semiconductor in a fourth opening. A length of a layer stack of the second insulating film and the first source electrode between the first opening and the second opening is greater than a length of a layer stack of the second insulating film and the second source electrode between the third opening and the fourth opening.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: May 13, 2025
    Assignee: JAPAN DISPLAY INC.
    Inventors: Toshiki Kaneko, Akihiro Hanada
  • Patent number: 12278276
    Abstract: Multi-gate devices and methods for fabricating such are disclosed herein. An exemplary method includes forming a diffusion blocking layer on a semiconductor substrate; forming channel material layers over the diffusion blocking layer; patterning the semiconductor substrate, the channel material layers, and the diffusion blocking layer to form a trench in the semiconductor substrate, thereby defining an active region being adjacent the trench; filling the trench with a dielectric material layer and a solid doping source material layer containing a dopant; and driving the dopant from the solid doping source material layer to the active region, thereby forming an anti-punch-through (APT) feature in the active region.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 15, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ko-Cheng Liu, Chang-Miao Liu, Ming-Lung Cheng
  • Patent number: 12272734
    Abstract: A semiconductor device includes a substrate, a semiconductor strip, an isolation dielectric, a plurality of channel layers, a gate structure, a plurality of source/drain structures, and an isolation layer. The semiconductor strip extends upwardly from the substrate and has a length extending along a first direction. The isolation dielectric laterally surrounds the semiconductor strip. The channel layers extend in the first direction above the semiconductor strip and arrange in a second direction substantially perpendicular to the substrate. The gate structure surrounds each of the channel layers. The source/drain structures are above the semiconductor strip and on either side of the channel layers. The isolation layer is interposed between the semiconductor strip and the gate structure and further interposed between the semiconductor strip and each of the plurality of source/drain structures.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 8, 2025
    Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., National Taiwan University
    Inventors: Yu-Shiang Huang, Chee-Wee Liu
  • Patent number: 12266534
    Abstract: In certain embodiments, a method of forming a semiconductor device includes receiving a substrate having an etch mask layer that includes features for preserving corresponding portions of an underlying hard mask layer to be etched during an etching process. The method includes patterning the hard mask layer using the etch mask layer to gradually form a recess in the hard mask layer, the recess having a depth greater than a width of a top surface of a first feature of the etch mask layer, by performing the etching process. The etching process includes alternating between: depositing, using a first plasma, a silicon-containing protective layer over the etch mask layer and the hard mask layer such that the protective layer covers exposed surfaces of the hard mask layer; and subsequently etching, using a second plasma that comprises oxygen, the hard mask layer to form an incremental portion of the recess.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: April 1, 2025
    Assignee: Tokyo Electron Limited
    Inventors: Shihsheng Chang, Andrew Metz
  • Patent number: 12266605
    Abstract: Embodiments of the invention include a method for fabricating a semiconductor device and the resulting structure. A metal line is formed on a bottom liner, a sacrificial hardmask on a top surface of the metal line. Portions of the sacrificial hardmask are selectively removed that that do not correspond a desired location of a top via. The remaining sacrificial hardmask is replaced with the top via, the top via and the metal line each tapered such that a width at each respective bottom surface is greater than a width of each respective top surface.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: April 1, 2025
    Assignee: International Business Machines Corporation
    Inventors: Tao Li, Ruilong Xie, Tsung-Sheng Kang, Chih-Chao Yang
  • Patent number: 12261120
    Abstract: A 3D semiconductor memory device includes a peripheral circuit structure, an intermediate insulating layer and a cell array structure. The cell array structure includes a first substrate including a cell array region and a connection region; a stack structure comprising electrode layers and electrode interlayer insulating layers alternately stacked on the first substrate; a planarization insulating layer covering an end portion of the stack structure on the connection region; and a first through-via penetrating the planarization insulating layer, the first substrate and the intermediate insulating layer. The first through-via connects one of the electrode layers to the peripheral circuit structure. The first through-via includes a first and second via portion integrally connected to each other. The first via portion penetrates the planarization insulating layer and has a first width. The second via portion penetrates the intermediate insulating layer and has a second width greater than the first width.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: March 25, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Haemin Lee
  • Patent number: 12261056
    Abstract: A semiconductor structure comprising a substrate, a first metal layer on top of the substrate, a second metal layer on top of the first metal layer and a dielectric layer adjacent to the second metal layer and at least part of the first metal layer and on top of at least part of the first metal layer. The first metal layer includes a via. The width of the second metal layer is the same as the width of the via of the first metal layer.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 25, 2025
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Nicholas Anthony Lanzillo, Huai Huang, Hosadurga Shobha, Lawrence A. Clevenger, Chanro Park
  • Patent number: 12261128
    Abstract: Semiconductor memory device includes: a first and second member each extending in a first direction in a boundary part between a first and second block region and arranged in the first direction; a support pillar arranged between the first and second member at the boundary part; conductive layers separated from one another and arranged in a third direction and split by the first and second member, and the support pillar into a first and second portion; and a memory pillar penetrating through the conductive layers. The support pillar includes a lower and upper pillar. A side face of the lower pillar and an extension of a side face of the upper pillar are displaced from each other in a plane based on a second and the third direction.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: March 25, 2025
    Assignee: Kioxia Corporation
    Inventors: Mitsunori Masaki, Hisashi Kato, Kazuhiro Nojima, Shoichi Miyazaki, Akira Yotsumoto, Kanako Shiga, Yu Hirotsu, Osamu Matsuura
  • Patent number: 12262567
    Abstract: Provided is a method of manufacturing a semiconductor structure. The method includes: providing a substrate, where the substrate includes a plurality of component areas and peripheral areas surrounding the plurality of component areas; next, forming a sacrificial layer on each of the plurality of component areas, and forming a semiconductor active layer on the sacrificial layer and the substrate not covered with the sacrificial layer; patterning the semiconductor active layer to remove the semiconductor active layer on the peripheral areas so as to form a plurality of annular grooves which expose the sacrificial layer, such that the semiconductor active layer on each of the plurality of component areas is independent; afterwards, removing the sacrificial layer on each of the plurality of component areas through the annular grooves, such that the independent semiconductor active layer is separated from the substrate, where the independent semiconductor active layer forms a semiconductor structure.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: March 25, 2025
    Assignee: ENKRIS SEMICONDUCTOR, INC.
    Inventors: Kai Cheng, Liyang Zhang
  • Patent number: 12249509
    Abstract: A method for etching a hardmask layer includes forming a photoresist layer comprising an organometallic material on a hardmask layer comprising a metal-containing material, exposing the photoresist layer to ultraviolet radiation through a mask having a selected pattern, removing un-irradiated areas of the photoresist layer to pattern the photoresist layer, forming a passivation layer comprising a carbon-containing material selectively on a top surface of the patterned photoresist layer, and etching the hardmask layer exposed by the patterned photoresist layer having the passivation layer formed thereon.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: March 11, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Larry Gao, Nancy Fung
  • Patent number: 12243751
    Abstract: According to one embodiment, a chemical solution comprises a mixed acid including an inorganic acid, an oxidizing agent, a carboxylic acid, and water; and polyethyleneimine of a concentration in the chemical solution in a range of 0.05 wt % to 10 wt %.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: March 4, 2025
    Assignee: KIOXIA CORPORATION
    Inventors: Hakuba Kitagawa, Tatsuhiko Koide, Hiroshi Fujita
  • Patent number: 12199188
    Abstract: A stack including an active layer, a gate dielectric, and a gate electrode is formed in a forward or in a reverse order, over a substrate. The active layer includes a front channel layer, a bulk semiconductor layer, and a back channel layer. The front channel layer is formed by depositing a layer stack that include at least one post-transition metal oxide layer, a zinc oxide layer, and at least one acceptor-type oxide layer. The zinc oxide layer or at least one post transition metal oxide layer contacts the gate dielectric, and the at least one acceptor-type oxide layer is most distal from the gate dielectric. The front channel layer provides enhanced channel conductivity, while the back channel layer provides suppressed channel conductivity.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: January 14, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Wu-Wei Tsai, Hai-Ching Chen, Sai-Hooi Yeong, Yu-Ming Lin
  • Patent number: 12191248
    Abstract: A method of forming a semiconductor arrangement includes forming a first capacitor in a first voltage domain and forming a second capacitor in the first voltage domain. The first capacitor is connected in parallel with the second capacitor. A third capacitor and a fourth capacitor are formed in a second voltage domain. The third capacitor is connected in series with the fourth capacitor. The first capacitor and the second capacitor are connected in parallel with a supply terminal of the first voltage domain and a reference terminal of the first voltage domain. The fourth capacitor is connected to a supply terminal of the second voltage domain. The third capacitor is connected to a reference terminal of the second voltage domain.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: January 7, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Wan-Yu Lo, Chung-Hsing Wang, Chin-Shen Lin, Kuo-Nan Yang, Hsiang-Ku Shen, Dian-Hau Chen
  • Patent number: 12161001
    Abstract: This light detecting element has a reduced dark current and improved external quantum efficiency. The light detecting element includes a positive electrode, a negative electrode, and an active layer that is provided between said positive electrode and said negative electrode, and that contains a p-type semiconductor material and an n-type semiconductor material. The thickness of the active layer is at least 800 nm. The value obtained by subtracting the absolute value of the LUMO of the n-type semiconductor material from the work function of the surface in contact with the negative electrode side surface of the active layer is 0.0 to 0.5 eV. The absolute value of the LUMO of the n-type semiconductor material is 2.0 to 10.0 eV.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: December 3, 2024
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Giovanni Ferrara, Takahiro Seike