Patents by Inventor Ho-Chun Liou

Ho-Chun Liou 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: 11791285
    Abstract: A device includes an outer seal ring, an integrated circuit, and an inner seal ring. The outer seal ring forms a first closed loop. The integrated circuit is surrounded by the outer seal ring. The inner seal ring is between the outer seal ring and the integrated circuit. The inner seal ring forms a second closed loop that defines an enclosed region external to the integrated circuit.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: October 17, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Yi-Te Chen, Chen-Yuan Chen, Ho-Chun Liou
  • Patent number: 11757034
    Abstract: A high-voltage device includes a first frame-like isolation and a second frame-like isolation separated from each other, a first frame-like gate structure covering the first frame-like isolation, a second frame-like gate structure covering the second frame-like isolation, a first drain region enclosed by the first frame-like isolation, a second drain region enclosed by the second frame-like isolation, a first frame-like source region surrounding the first frame-like gate structure, a second frame-like source region surrounding the second frame-like gate structure, a first doped region surrounding the first and second frame-like gate structures, and a second doped region disposed between the first and second frame-like gate structures. The first and second drain regions, and the first and second frame-like source regions include a first conductivity type. The first and the second doped region include a second conductivity type.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: September 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hung-Sen Wang, Yun-Ta Tsai, Ruey-Hsin Liu, Shih-Fen Huang, Ho-Chun Liou
  • Publication number: 20230238337
    Abstract: A device includes an integrated circuit, a first seal ring, a second seal ring, and a dielectric layer. The first seal ring surrounds the integrated circuit and includes a plurality of first seal portions separated from each other by a plurality of first gaps. The second seal ring surrounds the integrated circuit, between the integrated circuit and the first seal ring and includes a plurality of second seal portions separated from each other by a plurality of second gaps. The dielectric layer surrounds the first and second seal rings and includes a plurality of first filling portions in the first gaps, respectively, and a plurality of second filling portions in the second gaps, respectively. A connection line of one of the first filling portions and one of the second filling portions closest to said one of the first filling portions is not parallel to edges of the integrated circuit.
    Type: Application
    Filed: March 28, 2023
    Publication date: July 27, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Yi-Te CHEN, Chen-Yuan CHEN, Ho-Chun LIOU
  • Publication number: 20220254923
    Abstract: A high-voltage device includes a first frame-like isolation and a second frame-like isolation separated from each other, a first frame-like gate structure covering the first frame-like isolation, a second frame-like gate structure covering the second frame-like isolation, a first drain region enclosed by the first frame-like isolation, a second drain region enclosed by the second frame-like isolation, a first frame-like source region surrounding the first frame-like gate structure, a second frame-like source region surrounding the second frame-like gate structure, a first doped region surrounding the first and second frame-like gate structures, and a second doped region disposed between the first and second frame-like gate structures. The first and second drain regions, and the first and second frame-like source regions include a first conductivity type. The first and the second doped region include a second conductivity type.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Inventors: HUNG-SEN WANG, YUN-TA TSAI, RUEY-HSIN LIU, SHIH-FEN HUANG, HO-CHUN LIOU
  • Patent number: 11322609
    Abstract: A high-voltage device includes a substrate, a first well region disposed in the substrate, at least a first isolation, a frame-like gate structure over the first well region and covering a portion of the first isolation, a drain region in the first well region and separated from the frame-like gate structure by the first isolation, and a source region separated from the drain region by the first isolation and the frame-like gate structure. The first well region, the drain region and the source region include a first conductivity type, and the substrate includes a second conductivity type. The first conductivity type and the second conductivity type are complementary to each other.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 3, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hung-Sen Wang, Yun-Ta Tsai, Ruey-Hsin Liu, Shih-Fen Huang, Ho-Chun Liou
  • Publication number: 20210265285
    Abstract: A device includes an outer seal ring, an integrated circuit, and an inner seal ring. The outer seal ring forms a first closed loop. The integrated circuit is surrounded by the outer seal ring. The inner seal ring is between the outer seal ring and the integrated circuit. The inner seal ring forms a second closed loop that defines an enclosed region external to the integrated circuit.
    Type: Application
    Filed: May 13, 2021
    Publication date: August 26, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Yi-Te CHEN, Chen-Yuan CHEN, Ho-Chun LIOU
  • Publication number: 20210167205
    Abstract: A high-voltage device includes a substrate, at least a first isolation in the substrate, a first well region, a frame-like gate structure over the first well region and covering a portion of the first isolation, a drain region in the first well region and separated from the frame-like gate structure by the first isolation, and a source region separated from the drain region by the first isolation and the frame-like gate structure. The first well region, the drain region and the source region include a first conductivity type, and the substrate includes a second conductivity type. The first conductivity type and the second conductivity type are complementary to each other.
    Type: Application
    Filed: June 19, 2020
    Publication date: June 3, 2021
    Inventors: HUNG-SEN WANG, YUN-TA TSAI, RUEY-HSIN LIU, SHIH-FEN HUANG, HO-CHUN LIOU
  • Patent number: 11011478
    Abstract: A semiconductor device includes an integrated circuit, an outer seal ring, and an inner seal ring. The outer seal ring forms a first closed loop surrounding the integrated circuit. The inner seal ring is between the outer seal ring and the integrated circuit. The inner seal ring has a first seal portion surrounding the integrated circuit and a second seal portion spaced apart from the first seal portion, a first connector interconnecting the first seal portion and the second seal portion, and a second connector spaced apart from the first connector and interconnecting the first seal portion and the second seal portion. The first seal portion, the second seal portion, the first connector, and the second connector form a second closed loop.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 18, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Yi-Te Chen, Chen-Yuan Chen, Ho-Chun Liou
  • Patent number: 10930599
    Abstract: A method of manufacturing a semiconductor device comprises forming an integrated circuit, surrounding the integrated circuit with an inner seal ring, and surrounding the inner seal ring with a closed-loop outer seal ring. The inner seal ring includes a plurality of metal layers in a stacked configuration, first and second seal portions separated from each other, and third and fourth seal portions spaced apart from the first and second seal portions and separated from each other.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: February 23, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Yi-Te Chen, Chen-Yuan Chen, Ho-Chun Liou
  • Patent number: 10714384
    Abstract: A semiconductor device includes an integrated circuit and a guard ring. The integrated circuit includes a first circuit and a second circuit separated from the first circuit. The guard ring is disposed around the first circuit and between the first circuit and the second circuit. The guard ring includes an outer ring, an inner ring, and two connectors. The outer ring is disposed around the first circuit and has a first gap. The inner ring is disposed between the outer ring and the first circuit and has a second gap. The two connectors connect the outer ring and the inner ring. The outer ring, the inner ring, and the two connectors form a closed loop.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: July 14, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Chen-Yuan Chen, Ho-Chun Liou, Yi-Te Chen
  • Publication number: 20190363007
    Abstract: A semiconductor device includes an integrated circuit and a guard ring. The integrated circuit includes a first circuit and a second circuit separated from the first circuit. The guard ring is disposed around the first circuit and between the first circuit and the second circuit. The guard ring includes an outer ring, an inner ring, and two connectors. The outer ring is disposed around the first circuit and has a first gap. The inner ring is disposed between the outer ring and the first circuit and has a second gap. The two connectors connect the outer ring and the inner ring. The outer ring, the inner ring, and the two connectors form a closed loop.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 28, 2019
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Chen-Yuan CHEN, Ho-Chun LIOU, Yi-Te CHEN
  • Publication number: 20190348376
    Abstract: A semiconductor device includes an integrated circuit, an outer seal ring, and an inner seal ring. The outer seal ring forms a first closed loop surrounding the integrated circuit. The inner seal ring is between the outer seal ring and the integrated circuit. The inner seal ring has a first seal portion surrounding the integrated circuit and a second seal portion spaced apart from the first seal portion, a first connector interconnecting the first seal portion and the second seal portion, and a second connector spaced apart from the first connector and interconnecting the first seal portion and the second seal portion. The first seal portion, the second seal portion, the first connector, and the second connector form a second closed loop.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 14, 2019
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Yi-Te CHEN, Chen-Yuan CHEN, Ho-Chun LIOU
  • Patent number: 10373865
    Abstract: A semiconductor device includes an integrated circuit and a guard ring. The integrated circuit includes a first circuit and a second circuit separated from the first circuit. The guard ring is disposed around the first circuit and between the first circuit and the second circuit. The guard ring includes an outer ring, an inner ring, and two connectors. The outer ring is disposed around the first circuit and has a first gap. The inner ring is disposed between the outer ring and the first circuit and has a second gap. The two connectors connect the outer ring and the inner ring. The outer ring, the inner ring, and the two connectors form a closed loop.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: August 6, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Chen-Yuan Chen, Ho-Chun Liou, Yi-Te Chen
  • Patent number: 10366956
    Abstract: A semiconductor device includes an integrated circuit, at least one outer seal ring, and at least one inner seal ring. The outer seal ring surrounds the integrated circuit. The outer seal ring includes a plurality of metal layers in a stacked configuration, and the metal layers are closed loops. The inner seal ring is disposed between the outer seal ring and the integrated circuit and separated from the outer seal ring. The inner seal ring has at least one gap extending from a region encircled by the inner seal ring to a region outside the inner seal ring.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: July 30, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui Yang, Chun-Ting Liao, Yi-Te Chen, Chen-Yuan Chen, Ho-Chun Liou
  • Publication number: 20190096827
    Abstract: A method of manufacturing a semiconductor device comprises forming an integrated circuit, surrounding the integrated circuit with an inner seal ring, and surrounding the inner seal ring with a closed-loop outer seal ring. The inner seal ring includes a plurality of metal layers in a stacked configuration, first and second seal portions separated from each other, and third and fourth seal portions spaced apart from the first and second seal portions and separated from each other.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Yi-Te CHEN, Chen-Yuan CHEN, Ho-Chun LIOU
  • Publication number: 20170025367
    Abstract: A semiconductor device includes an integrated circuit and a guard ring. The integrated circuit includes a first circuit and a second circuit separated from the first circuit. The guard ring is disposed around the first circuit and between the first circuit and the second circuit. The guard ring includes an outer ring, an inner ring, and two connectors. The outer ring is disposed around the first circuit and has a first gap. The inner ring is disposed between the outer ring and the first circuit and has a second gap. The two connectors connect the outer ring and the inner ring. The outer ring, the inner ring, and the two connectors form a closed loop.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 26, 2017
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Chen-Yuan CHEN, Ho-Chun LIOU, Yi-Te CHEN
  • Patent number: 9553140
    Abstract: An integrated circuit and a method of fabricating the integrated circuit are provided. In various embodiments, the integrated circuit includes a substrate and a polysilicon resistor. The polysilicon resistor is disposed on the substrate. The polysilicon resistor has at least one positive TCR portion and at least one negative TCR portion. The positive TCR portion is adjacent to the negative TCR portion, and the positive TCR portion is in direct contact with the negative TCR portion.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: January 24, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hung-Sen Wang, Shih-Chi Yang, Kuo-Ching Chang, Wei-Sho Hung, Ho-Chun Liou
  • Publication number: 20160365318
    Abstract: A semiconductor device includes an integrated circuit, at least one outer seal ring, and at least one inner seal ring. The outer seal ring surrounds the integrated circuit. The outer seal ring includes a plurality of metal layers in a stacked configuration, and the metal layers are closed loops. The inner seal ring is disposed between the outer seal ring and the integrated circuit and separated from the outer seal ring. The inner seal ring has at least one gap extending from a region encircled by the inner seal ring to a region outside the inner seal ring.
    Type: Application
    Filed: July 9, 2015
    Publication date: December 15, 2016
    Inventors: Ming-Hui YANG, Chun-Ting LIAO, Yi-Te CHEN, Chen-Yuan CHEN, Ho-Chun LIOU
  • Publication number: 20160218171
    Abstract: An integrated circuit and a method of fabricating the integrated circuit are provided. In various embodiments, the integrated circuit includes a substrate and a polysilicon resistor. The polysilicon resistor is disposed on the substrate. The polysilicon resistor has at least one positive TCR portion and at least one negative TCR portion. The positive TCR portion is adjacent to the negative TCR portion, and the positive TCR portion is in direct contact with the negative TCR portion.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 28, 2016
    Inventors: Hung-Sen WANG, Shih-Chi YANG, Kuo-Ching CHANG, Wei-Sho HUNG, Ho-Chun LIOU
  • Patent number: 9331136
    Abstract: An integrated circuit and a method of fabricating the integrated circuit are provided. In various embodiments, the integrated circuit includes a substrate and a polysilicon resistor. The polysilicon resistor is disposed on the substrate. The polysilicon resistor has at least one positive TCR portion and at least one negative TCR portion. The positive TCR portion is adjacent to the negative TCR portion, and the positive TCR portion is in direct contact with the negative TCR portion.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: May 3, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hung-Sen Wang, Shih-Chi Yang, Kuo-Ching Chang, Wei-Sho Hung, Ho-Chun Liou