Patents by Inventor Wen-Chang Kuo

Wen-Chang Kuo 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).

  • Publication number: 20220231058
    Abstract: An image sensor includes a pixel and an isolation structure. The pixel includes a photosensitive region and a circuitry region next to the photosensitive region. The isolation structure is located over the pixel, where the isolation structure includes a conductive grid and a dielectric structure covering a sidewall of the conductive grid, and the isolation structure includes an opening or recess overlapping the photosensitive region. The isolation structure surrounds a peripheral region of the photosensitive region.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 21, 2022
    Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Wen-Chang Kuo, Sheng-Chau Chen, Feng-Chi Hung, Sheng-Chan Li
  • Publication number: 20220208704
    Abstract: A semiconductor structure includes a first contact pad over an interconnect structure. The semiconductor structure further includes a second contact pad over the interconnect structure, wherein the second contact pad is electrically separated from the first contact pad. The semiconductor structure further includes a first buffer layer over the first contact pad, wherein the first buffer layer is partially over the second contact pad, and an edge of the second contact pad farthest from the first contact pad extends beyond the first buffer layer.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Inventors: Gulbagh SINGH, Chih-Ming LEE, Chi-Yen LIN, Wen-Chang KUO, C. C. LIU
  • Patent number: 11309268
    Abstract: A method of designing a layout includes determining a first layout pattern, wherein the first layout pattern corresponds to a plurality of contact pads. The method further includes generating a second layout pattern. The method further includes checking whether an edge of the second layout pattern overlaps the first layout pattern. The method further includes adjusting the second layout pattern so that the edge of the second layout pattern overlaps the first layout pattern in response to a determination that the edge of the second layout pattern is separated from the first layout pattern.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: April 19, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Gulbagh Singh, Chih-Ming Lee, Chi-Yen Lin, Wen-Chang Kuo, C. C. Liu
  • Publication number: 20210388865
    Abstract: A composite crank has a first metal member, a second metal member, a connecting space, an external fiber member, and a reinforcement fiber member. The first metal member and the second metal member are arranged at a spaced interval to form the connecting space in the composite crank and between the first metal member and the second metal member. The external fiber member is wrapped on and around the first metal member, the second metal member, and the connecting space. The reinforcement fiber member is disposed between the first metal member and the second metal member and has two overlaying segments respectively bonding to two opposite inner sides of the external fiber member along a thickness direction of the composite crank and a rib disposed in the connecting space and connecting with the two overlaying segments. The composite crank is light in weight, and structural strength in a thickness direction thereof can be enhanced.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Wen-Chang KUO, Chun-Yen HUANG, Chia-Wei CHANG, Po-Yueh CHOU
  • Publication number: 20200321296
    Abstract: A method of designing a layout includes determining a first layout pattern, wherein the first layout pattern corresponds to a plurality of contact pads. The method further includes generating a second layout pattern. The method further includes checking whether an edge of the second layout pattern overlaps the first layout pattern. The method further includes adjusting the second layout pattern so that the edge of the second layout pattern overlaps the first layout pattern in response to a determination that the edge of the second layout pattern is separated from the first layout pattern.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 8, 2020
    Inventors: Gulbagh SINGH, Chih-Ming LEE, Chi-Yen LIN, Wen-Chang KUO, C. C. LIU
  • Publication number: 20200295188
    Abstract: A method for forming a semiconductor device is provided. The method includes forming an isolation structure in a semiconductor substrate. The method includes forming a gate over the semiconductor substrate. The method includes forming a support film over the isolation structure. The support film is a continuous film which continuously covers the isolation structure and the gate over the isolation structure, the support film conformally covers a first portion of a top surface and a second portion of a first sidewall of the gate, the top surface faces away from the semiconductor substrate, the support film and a topmost surface of the active region do not overlap with each other, and the topmost surface faces the gate. The method includes after forming the support film, forming lightly doped regions in the semiconductor substrate and at two opposite sides of the gate.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 17, 2020
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jung-Chi JENG, I-Chih CHEN, Wen-Chang KUO, Ying-Hao CHEN, Ru-Shang HSIAO, Chih-Mu HUANG
  • Patent number: 10727191
    Abstract: A semiconductor structure includes a first contact pad over a passivation layer, wherein the first contact pad is in a circuit region. The semiconductor structure further includes a plurality of second contact pads over the passivation layer, wherein each second contact pad of the plurality of second contact pads is in a non-circuit region. The semiconductor structure further includes a first buffer layer over the first contact pad and over a first second contact pad of the plurality of second contact pads. The semiconductor structure further includes a second buffer layer over the first buffer layer, the first contact pad, the first second contact pad and a portion of a second second contact pad of the plurality of second contact pads, wherein the second buffer layer exposes a portion of the second second contact pad of the plurality of second contact pads.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: July 28, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Gulbagh Singh, Chih-Ming Lee, Chi-Yen Lin, Wen-Chang Kuo, C. C. Liu
  • Patent number: 10680103
    Abstract: A method for forming a semiconductor device is provided. The method includes forming an isolation structure in a semiconductor substrate, and the isolation structure surrounds an active region of the semiconductor substrate. The method also includes forming a gate over the semiconductor substrate, and the gate is across the active region and extends onto the isolation structure. The gate has an intermediate portion over the active region and two end portions connected to the intermediate portion, the end portions are over the isolation structure. The method includes forming a support film over the isolation structure, and the support film is a continuous film which continuously covers the isolation structure and at least one end portion of the gate.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: June 9, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jung-Chi Jeng, I-Chih Chen, Wen-Chang Kuo, Ying-Hao Chen, Ru-Shang Hsiao, Chih-Mu Huang
  • Publication number: 20200004972
    Abstract: A method of operating a user device includes: detecting whether the user device is located within a restricted zone by a monitoring entity of the user device; and limiting access to the user device by the monitoring entity in response to detecting the user device as being outside the restricted zone.
    Type: Application
    Filed: May 15, 2019
    Publication date: January 2, 2020
    Inventors: WEN-CHANG KUO, CHIANG KAO, KUO HSIUNG CHEN, HO-HAN LIU, TI-YEN YANG, JO-CHAN LIU, CHI-PIN WANG, YAO-HSIUNG CHANG
  • Patent number: 10516048
    Abstract: A method of fabricating a semiconductor device includes following steps. A trench is formed in a substrate. A barrier layer and an epitaxy layer are formed in sequence in the trench. The barrier layer has a first dopant. A source/drain recess cavity is formed by etching at least the epitaxial layer. A source/drain region is formed in the source/drain recess cavity. The source/drain region has a second dopant.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: December 24, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: I-Chih Chen, Ying-Lang Wang, Chih-Mu Huang, Ying-Hao Chen, Wen-Chang Kuo, Jung-Chi Jeng
  • Publication number: 20190148322
    Abstract: A semiconductor structure includes a first contact pad over a passivation layer, wherein the first contact pad is in a circuit region. The semiconductor structure further includes a plurality of second contact pads over the passivation layer, wherein each second contact pad of the plurality of second contact pads is in a non-circuit region. The semiconductor structure further includes a first buffer layer over the first contact pad and over a first second contact pad of the plurality of second contact pads. The semiconductor structure further includes a second buffer layer over the first buffer layer, the first contact pad, the first second contact pad and a portion of a second second contact pad of the plurality of second contact pads, wherein the second buffer layer exposes a portion of the second second contact pad of the plurality of second contact pads.
    Type: Application
    Filed: December 24, 2018
    Publication date: May 16, 2019
    Inventors: Gulbagh SINGH, Chih-Ming LEE, Chi-Yen LIN, Wen-Chang KUO, C. C. LIU
  • Patent number: 10163831
    Abstract: A method of fabricating a semiconductor device includes forming a first contact pad and a second contact pad over a first passivation layer, depositing a first buffer layer over the first contact pad and the second contact pad, and depositing a second buffer layer over the first buffer layer and the second contact pad. The first contact pad is in a circuit region and the second contact pad is in a non-circuit region. An edge of the second contact pad is exposed and a periphery of the first contact pad and an edge of the second contact pad are covered by the first buffer layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 25, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Gulbagh Singh, Chih-Ming Lee, Chi-Yen Lin, Wen-Chang Kuo, C. C. Liu
  • Publication number: 20180315723
    Abstract: A method of fabricating a semiconductor device includes forming a first contact pad and a second contact pad over a first passivation layer, depositing a first buffer layer over the first contact pad and the second contact pad, and depositing a second buffer layer over the first buffer layer and the second contact pad. The first contact pad is in a circuit region and the second contact pad is in a non-circuit region. An edge of the second contact pad is exposed and a periphery of the first contact pad and an edge of the second contact pad are covered by the first buffer layer.
    Type: Application
    Filed: July 6, 2017
    Publication date: November 1, 2018
    Inventors: Gulbagh SINGH, Chih-Ming LEE, Chi-Yen LIN, Wen-Chang KUO, C. C. LIU
  • Patent number: 10090392
    Abstract: A semiconductor device includes a metal oxide semiconductor device disposed over a substrate and an interconnect plug. The metal oxide semiconductor device includes a gate structure located on the substrate and a raised source/drain region disposed adjacent to the gate structure. The raised source/drain region includes a top surface above a surface of the substrate by a distance. The interconnect plug connects to the raised source/drain region. The interconnect plug includes a doped region contacting the top surface of the raised source/drain region, a metal silicide region located on the doped region, and a metal region located on the metal silicide region.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: October 2, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: I-Chih Chen, Chih-Mu Huang, Ling-Sung Wang, Ying-Hao Chen, Wen-Chang Kuo, Jung-Chi Jeng
  • Publication number: 20180061987
    Abstract: A method of fabricating a semiconductor device includes following steps. A trench is formed in a substrate. A barrier layer and an epitaxy layer are formed in sequence in the trench. The barrier layer has a first dopant. A source/drain recess cavity is formed by etching at least the epitaxial layer. A source/drain region is formed in the source/drain recess cavity. The source/drain region has a second dopant.
    Type: Application
    Filed: November 6, 2017
    Publication date: March 1, 2018
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: I-Chih CHEN, Ying-Lang WANG, Chih-Mu HUANG, Ying-Hao CHEN, Wen-Chang KUO, Jung-Chi JENG
  • Patent number: 9865731
    Abstract: A semiconductor device includes a p-type metal oxide semiconductor device (PMOS) and an n-type metal oxide semiconductor device (NMOS) disposed over a substrate. The PMOS has a first gate structure located on the substrate, a carbon doped n-type well disposed under the first gate structure, a first channel region disposed in the carbon doped n-type well, and activated first source/drain regions disposed on opposite sides of the first channel region. The NMOS has a second gate structure located on the substrate, a carbon doped p-type well disposed under the second gate structure, a second channel region disposed in the carbon doped p-type well, and activated second source/drain regions disposed on opposite sides of the second channel region.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: January 9, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: I-Chih Chen, Ying-Lang Wang, Chih-Mu Huang, Ying-Hao Chen, Wen-Chang Kuo, Jung-Chi Jeng
  • Publication number: 20170338342
    Abstract: A method for forming a semiconductor device is provided. The method includes forming an isolation structure in a semiconductor substrate, and the isolation structure surrounds an active region of the semiconductor substrate. The method also includes forming a gate over the semiconductor substrate, and the gate is across the active region and extends onto the isolation structure. The gate has an intermediate portion over the active region and two end portions connected to the intermediate portion, the end portions are over the isolation structure. The method includes forming a support film over the isolation structure, and the support film is a continuous film which continuously covers the isolation structure and at least one end portion of the gate.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jung-Chi JENG, I-Chih CHEN, Wen-Chang KUO, Ying-Hao CHEN, Ru-Shang HSIAO, Chih-Mu HUANG
  • Patent number: 9812569
    Abstract: A semiconductor device and a method of fabricating the semiconductor device are provided. The semiconductor device includes a substrate; a source/drain region having a first dopant in the substrate; a barrier layer having a second dopant formed around the source/drain region in the substrate. When a semiconductor device is scaled down, the doped profile in source/drain regions might affect the threshold voltage uniformity, the provided semiconductor device may improve the threshold voltage uniformity by the barrier layer to control the doped profile.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: November 7, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: I-Chih Chen, Ying-Lang Wang, Chih-Mu Huang, Ying-Hao Chen, Wen-Chang Kuo, Jung-Chi Jeng
  • Patent number: 9728637
    Abstract: Embodiments of mechanisms for forming a semiconductor device are provided. The semiconductor device includes a semiconductor substrate and an isolation structure in the semiconductor substrate and surrounding an active region of the semiconductor substrate. The semiconductor device also includes a gate over the semiconductor substrate, and the gate has an intermediate portion over the active region and two end portions connected to the intermediate portion, and the end portions are over the isolation structure. The semiconductor device further includes a support film over the isolation structure and covering the isolation structure and at least one of the end portions of the gate. The support film exposes the active region and the intermediate portion of the gate.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: August 8, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jung-Chi Jeng, I-Chih Chen, Wen-Chang Kuo, Ying-Hao Chen, Ru-Shang Hsiao, Chih-Mu Huang
  • Patent number: 9281215
    Abstract: Embodiments of mechanisms for forming a semiconductor device are provided. The semiconductor device includes a semiconductor substrate. The semiconductor device also includes an isolation structure in the semiconductor substrate and surrounding an active region of the semiconductor substrate. The semiconductor device includes a gate over the semiconductor substrate. The gate has an intermediate portion over the active region and two end portions connected to the intermediate portion. Each of the end portions has a first gate length longer than a second gate length of the intermediate portion and is located over the isolation structure.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: March 8, 2016
    Assignee: Taiwan Semiconductor Manufacturing Co., LTD.
    Inventors: Jung-Chi Jeng, I-Chih Chen, Wen-Chang Kuo, Ying-Hao Chen, Ru-Shang Hsiao, Chih-Mu Huang