Patents by Inventor Cheng Chi

Cheng Chi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11557091
    Abstract: The present disclosure provides a tessellation data processing method, system, media, and vector graphics processing device. The method includes: according to specified coordinates of intersections, creating different levels of cache tables, wherein the intersections result from vector lines generated by tessellation intersecting lines parallel to an x-axis or y-axis; storing in a content table addresses of information tables in memory, storing in a lowest level cache table an address of the content table in the memory, and storing an address of the lowest level cache table in the memory in a cache table one level higher than the lowest level cache table. The tessellation data processing method, system, media, and vector graphics processing device of the present disclosure store effective data in multi-level lookup tables based on coordinates of intersections, effectively reduce memory footprint, support multi-channel tessellation processing, and enhance the performance of vector graphics rendering.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: January 17, 2023
    Assignees: VeriSilicon Microelectronics (Shanghai) Co., Ltd., VeriSilicon Holdings Co., Ltd., VeriSilicon Microelectronics (Nanjing) Co., Ltd.
    Inventors: Cheng Chi, Jiangbo Li, Mike M Cai
  • Patent number: 11557090
    Abstract: The present disclosure provides a tessellation data processing method, system, medium and vector graphics processing device. The method includes: constructing a data structure including a content table and information tables in memory; when a vector line generated by tessellation intersects an horizontal/vertical line to obtain a new intersection, reading an address and number of Xnodes or Ynodes of an information table in the content table corresponding to a row/column corresponding to the Y/X coordinate of the intersection; according to the address of the information table and the number of X/Ynodes of the information table, reading corresponding X/Ynodes from the memory; comparing information of the intersection with the X/Ynodes, and updating the X/Ynodes in the information table, or adding an X/Ynode to the information table at a position corresponding to the Y/X coordinates.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: January 17, 2023
    Assignees: VeriSilicon Microelectronics (Shanghai) Co., Ltd., VeriSilicon Holdings Co., Ltd., VeriSilicon Microelectronics (Nanjing) Co., Ltd.
    Inventors: Cheng Chi, Jiangbo Li, Mike M Cai
  • Publication number: 20230008614
    Abstract: A semiconductor device with dual side source/drain (S/D) contact structures and a method of fabricating the same are disclosed. The method includes forming a fin structure on a substrate, forming a superlattice structure on the fin structure, forming first and second S/D regions within the superlattice structure, forming a gate structure between the first and second S/D regions, forming first and second contact structures on first surfaces of the first and second S/D regions, and forming a third contact structure, on a second surface of the first S/D region, with a work function metal (WFM) silicide layer and a dual metal liner. The second surface is opposite to the first surface of the first S/D region and the WFM silicide layer has a work function value closer to a conduction band energy than a valence band energy of a material of the first S/D region.
    Type: Application
    Filed: July 28, 2022
    Publication date: January 12, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Chuan Chiu, Chia-Hao Chang, Cheng-Chi Chuang, Chih-Hao Wang, Huan-Chieh Su, Chu-Yuan Chen, Li-Zhen Yu, Yu-Ming Lin
  • Patent number: 11551969
    Abstract: An integrated circuit (IC) structure includes a transistor, a front-side interconnection structure, a backside via, and a backside interconnection structure. The transistor includes a source/drain epitaxial structure. The front-side interconnection structure is on a front-side of the transistor. The backside via is connected to the source/drain epitaxial structure of the transistor. The backside interconnection structure is connected to the backside via and includes a conductive feature, a dielectric layer, and a spacer structure. The conductive feature is connected to the backside via. The dielectric layer laterally surrounds the conductive feature. The spacer structure is between the conductive feature and the dielectric layer and has an air gap.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: January 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Li-Zhen Yu, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Patent number: 11551970
    Abstract: The present disclosure discloses a method for manufacturing an electronic device, including: setting a basic working area; providing a supporting platform having a plurality of vacuum valves; disposing a substrate on the supporting platform; applying vacuum attraction to a portion of the substrate through a portion of the plurality of vacuum valves, wherein the portion of the substrate corresponding to the vacuum attraction is defined as an attracted region; and performing an exposure on a portion of the attracted region, wherein an area of the attracted region is larger than the basic working area and smaller than an area of the supporting platform.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: January 10, 2023
    Assignee: InnoLux Corporation
    Inventors: Cheng-Chi Wang, Yeong-E Chen, Cheng-En Cheng
  • Patent number: 11542384
    Abstract: An additive article stabilizing method includes prior to polymerization, adding a radiation-activated stabilizing composition to a liquid resin, forming the article from the liquid resin, layer by layer, using radiation such that the stabilizing composition does not stabilize the liquid resin but the formed article, and neutralizing free radicals generated during a degradation process initiated by exposure of the article to additional radiation post-cure.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: January 3, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Emily Ann Ryan, Mark Edward Nichols, Ellen Cheng-Chi Lee, Christopher Michael Seubert, Deborah Frances Mielewski, Nicholas Ryan Gunther, Matthew Linden Bedell
  • Publication number: 20220406909
    Abstract: A device includes a substrate, a gate structure, a source/drain region, a first silicide layer, a second silicide layer and a contact. The gate structure wraps around at least one vertical stack of nanostructure channels. The source/drain region abuts the gate structure. The first silicide layer includes a first metal component on the source/drain region. The second silicide layer includes a second metal component different than the first metal component, and is on the first silicide layer. The contact is on the second silicide layer.
    Type: Application
    Filed: April 13, 2022
    Publication date: December 22, 2022
    Inventors: Shih-Chuan CHIU, Lo-Heng CHANG, Huan-Chieh SU, Cheng-Chi CHUANG, Yun Ju FAN, Chih-Hao WANG
  • Patent number: 11532703
    Abstract: In an embodiment, a device includes: a power rail contact; an isolation region on the power rail contact; a first dielectric fin on the isolation region; a second dielectric fin adjacent the isolation region and the power rail contact; a first source/drain region on the second dielectric fin; and a source/drain contact between the first source/drain region and the first dielectric fin, the source/drain contact contacting a top surface of the first source/drain region, a side surface of the first source/drain region, and a top surface of the power rail contact.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: December 20, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Huan-Chieh Su, Cheng-Chi Chuang, Shang-Wen Chang, Yi-Hsun Chiu, Pei-Yu Wang, Ching-Wei Tsai, Chih-Hao Wang
  • Patent number: 11532556
    Abstract: The present disclosure provides one embodiment of a semiconductor structure. The semiconductor structure includes a substrate having a front side and a back side; a gate stack formed on the front side of the substrate and disposed on an active region of the substrate; a first source/drain feature formed on the active region and disposed at an edge of the gate stack; a backside power rail formed on the back side of the substrate; and a backside contact feature interposed between the backside power rail and the first source/drain feature, and electrically connecting the backside power rail to the first source/drain feature. The backside contact feature further includes a first silicide layer on the back side of the substrate.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yu-Xuan Huang, Ching-Wei Tsai, Cheng-Ting Chung, Cheng-Chi Chuang, Shang-Wen Chang
  • Patent number: 11532714
    Abstract: A device includes a device layer including a first transistor, a first interconnect structure on a front-side of the device layer, and a second interconnect structure on a backside of the device layer. The second interconnect structure includes a first dielectric material on the backside of the device layer, a contact extending through the first dielectric material to a first source/drain region of the first transistor, and a first conductive layer including a first conductive line electrically connected to the first source/drain region through the contact.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Li-Zhen Yu, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Patent number: 11532550
    Abstract: The present disclosure provides a method of forming a semiconductor device structure. The method includes forming a trench in a dielectric layer on a semiconductor substrate; forming a bottom metal feature of a first metal in a lower portion of the trench by a selective deposition; depositing a barrier layer in an upper portion of the trench, the barrier layer directly contacting both a top surface of the bottom metal feature and sidewalls of the dielectric layer; and forming a top metal feature of a second metal on the barrier layer, filling in the upper portion of the trench, wherein the second metal is different from the first metal in composition.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chun-Yuan Chen, Chia-Hao Chang, Cheng-Chi Chuang, Yu-Ming Lin, Chih-Hao Wang
  • Patent number: 11532744
    Abstract: Semiconductor devices and methods of forming the same are provided. A semiconductor device according to the present disclosure includes a first gate structure disposed over a first backside dielectric feature, a second gate structure disposed over a second backside dielectric feature, a gate cut feature extending continuously from between the first gate structure and the second gate structure to between the first backside dielectric feature and the second backside dielectric feature, and a liner disposed between the gate cut feature and the first backside dielectric feature and between the gate cut feature and the second backside dielectric feature.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun-Yuan Chen, Pei-Yu Wang, Huan-Chieh Su, Yi-Hsun Chiu, Cheng-Chi Chuang, Ching-Wei Tsai, Kuan-Lun Cheng, Chih-Hao Wang
  • Patent number: 11532713
    Abstract: A device includes a device layer comprising a first transistor and a second transistor; a first interconnect structure on a front-side of the device layer; and a second interconnect structure on a backside of the device layer. The second interconnect structure comprising a first dielectric layer on the backside of the device layer, wherein a semiconductor material is disposed between the first dielectric layer and a first source/drain region of the first transistor; a contact extending through the first dielectric layer to a second source/drain region of the second transistor; and a first conductive line electrically connected to the second source/drain region of the second transistor through the contact.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Li-Zhen Yu, Huan-Chieh Su, Lin-Yu Huang, Cheng-Chi Chuang, Chih-Hao Wang
  • Publication number: 20220399461
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a fin structure formed over a substrate, and a gate structure formed over the fin structure. The semiconductor device structure includes a first source/drain (S/D) structure formed adjacent to the gate structure, and a first S/D contact structure formed over the first S/D structure. The semiconductor device structure includes a first filling layer formed over the first S/D structure, and the first S/D contact structure is surrounded by the first filling layer. The semiconductor device structure includes a dielectric layer formed adjacent to the gate structure and the first filling layer, and the dielectric layer and the first filling layer are made of different materials. The first filling layer is surrounded by the dielectric layer.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 15, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Lin-Yu HUANG, Sheng-Tsung WANG, Li-Zhen YU, Huan-Chieh SU, Cheng-Chi CHUANG, Chih-Hao WANG
  • Patent number: 11527609
    Abstract: In some embodiments, the present disclosure relates to an integrated chip including a first transistor and a second transistor arranged over a substrate. The first transistor includes first and second source/drain regions over the substrate and includes a first channel structure directly between the first and second source/drain regions. A first gate electrode is arranged over the first channel structure and is between first and second air spacer structures. The second transistor includes third and fourth source/drain regions over the substrate and includes a second channel structure directly between the third and fourth source/drain regions. A second gate electrode is arranged over the second channel structure and is between third and fourth air spacer structures. The integrated chip further includes a high-k dielectric spacer structure over a low-k dielectric fin structure between the first and second channel structures to separate the first and second gate electrodes.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: December 13, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Huan-Chieh Su, Chia-Hao Chang, Cheng-Chi Chuang, Chih-Hao Wang, Yu-Ming Lin
  • Patent number: 11527647
    Abstract: A field effect transistor (FET) device is provided. The device includes an isolation region on a support substrate that separates a first back gate from a second back gate, and a gate dielectric layer on a first channel region and a second channel region. The device further includes a conductive gate layer having a work function value and a ferroelectric layer on the gate dielectric layer, wherein the first back gate can adjust a threshold voltage for the first channel region, and the second back gate can adjust a threshold voltage for the second channel region.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: December 13, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Reinaldo Vega, Takashi Ando, Cheng Chi, Praneet Adusumilli
  • Publication number: 20220392995
    Abstract: A semiconductor device is provided. The semiconductor device includes: a first conductive electrode; a first dielectric stack structure provided on the first conductive electrode; a second conductive electrode provided on the first dielectric stack structure; a second dielectric stack structure provided on the second conductive electrode; and a third conductive electrode provided on the first dielectric stack structure, wherein each of the first dielectric stack structure and the second dielectric stack structure include a first dielectric layer comprising a first material; a second ferroelectric dielectric layer comprising a second material and provided on the first dielectric layer, and a third dielectric layer comprising a third material and provided on the second ferroelectric dielectric layer.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 8, 2022
    Inventors: Takashi Ando, REINALDO VEGA, David Wolpert, Cheng Chi, Praneet Adusumilli
  • Publication number: 20220387400
    Abstract: Provided herein are heterocyclic derivative compounds and pharmaceutical compositions comprising said compounds that are useful for the treatment of retinal binding protein (RBP4) related diseases, such as macular degeneration and the like.
    Type: Application
    Filed: July 6, 2020
    Publication date: December 8, 2022
    Inventors: Yu-Hsin Tom LIN, Cheng-Chi Irene WANG
  • Publication number: 20220391029
    Abstract: A stylus, including a pen body, and a battery module and an electrically conductive structure disposed in the pen body, is provided. The pen body has a charging port. The battery module has at least one electrode. The electrically conductive structure includes a first electrically conductive assembly, a second electrically conductive assembly and a first electrically conductive elastic element. The first electrically conductive assembly is connected to the electrode, the second electrically conductive assembly is disposed between the first electrically conductive assembly and the charging port, and the first electrically conductive elastic element is connected to the second electrically conductive assembly and has a contact end. The contact end is in contact with the first electrically conductive assembly by an elastic force of the first electrically conductive elastic element, and the contact end is adapted to be separated from the first electrically conductive assembly by an external force.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 8, 2022
    Applicant: Chicony Electronics Co., Ltd.
    Inventor: Cheng-Chi Hsu
  • Publication number: 20220384590
    Abstract: A semiconductor structure includes an epitaxial region having a front side and a backside. The semiconductor structure includes an amorphous layer formed over the backside of the epitaxial region, wherein the amorphous layer includes silicon. The semiconductor structure includes a first silicide layer formed over the amorphous layer. The semiconductor structure includes a first metal contact formed over the first silicide layer.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 1, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih-Chuan Chiu, Huan-Chieh Su, Pei-Yu Wang, Cheng-Chi Chuang, Chun-Yuan Chen, Li-Zhen Yu, Chia-Hao Chang, Yu-Ming Lin, Chih-Hao Wang