Patents by Inventor Kuan-Cheng Wang

Kuan-Cheng Wang 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: 12125876
    Abstract: FinFET structures and methods of forming the same are disclosed. In a method, a fin is formed on a substrate, an isolation region is formed on opposing sides of the fin. The isolation region is doped with carbon to form a doped region, and a portion of the isolation region is removed to expose a top portion of the fin, wherein the removed portion of the isolation region includes at least a portion of the doped region.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: October 22, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kuan-Cheng Wang, Han-Ti Hsiaw
  • Patent number: 12051614
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: July 30, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Patent number: 11878388
    Abstract: A polishing pad, a polishing apparatus and a method of manufacturing a semiconductor package using the same are provided. In some embodiments, a polishing pad includes a sub-pad portion and a top pad portion over the sub-pad portion. The top pad portion includes a plurality of grooves having a first width and a plurality of openings having a second width different from the first width, and the openings are located in a center zone of the polishing pad.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: January 23, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuan-Cheng Wang, Ching-Hua Hsieh, Yi-Yang Lei
  • Publication number: 20210296160
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Patent number: 11031280
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: June 8, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Patent number: 10978341
    Abstract: A method includes performing an implantation on a portion of a first layer to form an implanted region, and removing un-implanted portions of the first layer. The implanted region remains after the un-implanted portions of the first layer are removed. An etching is then performed on a second layer underlying the first layer, wherein the implanted region is used as a portion of a first etching mask in the etching. The implanted region is removed. A metal mask is etched using the second layer to form a patterned mask. An inter-layer dielectric is then etched to form a contact opening, wherein the patterned mask is used as a second etching mask.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: April 13, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hung Sun, Han-Ti Hsiaw, Yi-Wei Chiu, Kuan-Cheng Wang, Shin-Yeu Tsai, Jr-Yu Chen, Wen-Cheng Wu
  • Publication number: 20200111705
    Abstract: A method includes performing an implantation on a portion of a first layer to form an implanted region, and removing un-implanted portions of the first layer. The implanted region remains after the un-implanted portions of the first layer are removed. An etching is then performed on a second layer underlying the first layer, wherein the implanted region is used as a portion of a first etching mask in the etching. The implanted region is removed. A metal mask is etched using the second layer to form a patterned mask. An inter-layer dielectric is then etched to form a contact opening, wherein the patterned mask is used as a second etching mask.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Chih-Hung Sun, Han-Ti Hsiaw, Yi-Wei Chiu, Kuan-Cheng Wang, Shin-Yeu Tsai, Jr-Yu Chen, Wen-Cheng Wu
  • Publication number: 20190381630
    Abstract: A polishing pad, a polishing apparatus and a method of manufacturing a semiconductor package using the same are provided. In some embodiments, a polishing pad includes a sub-pad portion and a top pad portion over the sub-pad portion. The top pad portion includes a plurality of grooves having a first width and a plurality of openings having a second width different from the first width, and the openings are located in a center zone of the polishing pad.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 19, 2019
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuan-Cheng Wang, Ching-Hua Hsieh, Yi-Yang Lei
  • Patent number: 10510593
    Abstract: A method includes performing an implantation on a portion of a first layer to form an implanted region, and removing un-implanted portions of the first layer. The implanted region remains after the un-implanted portions of the first layer are removed. An etching is then performed on a second layer underlying the first layer, wherein the implanted region is used as a portion of a first etching mask in the etching. The implanted region is removed. A metal mask is etched using the second layer to form a patterned mask. An inter-layer dielectric is then etched to form a contact opening, wherein the patterned mask is used as a second etching mask.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 17, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hung Sun, Han-Ti Hsiaw, Yi-Wei Chiu, Kuan-Cheng Wang, Shin-Yeu Tsai, Jr-Yu Chen, Wen-Cheng Wu
  • Publication number: 20180226291
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Application
    Filed: April 4, 2018
    Publication date: August 9, 2018
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Publication number: 20180151425
    Abstract: A method includes performing an implantation on a portion of a first layer to form an implanted region, and removing un-implanted portions of the first layer. The implanted region remains after the un-implanted portions of the first layer are removed. An etching is then performed on a second layer underlying the first layer, wherein the implanted region is used as a portion of a first etching mask in the etching. The implanted region is removed. A metal mask is etched using the second layer to form a patterned mask. An inter-layer dielectric is then etched to form a contact opening, wherein the patterned mask is used as a second etching mask.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 31, 2018
    Inventors: Chih-Hung Sun, Han-Ti Hsiaw, Yi-Wei Chiu, Kuan-Cheng Wang, Shin-Yeu Tsai, Jr-Yu Chen, Wen-Cheng Wu
  • Publication number: 20180145131
    Abstract: FinFET structures and methods of forming the same are disclosed. In a method, a fin is formed on a substrate, an isolation region is formed on opposing sides of the fin. The isolation region is doped with carbon to form a doped region, and a portion of the isolation region is removed to expose a top portion of the fin, wherein the removed portion of the isolation region includes at least a portion of the doped region.
    Type: Application
    Filed: November 18, 2016
    Publication date: May 24, 2018
    Inventors: Kuan-Cheng Wang, Han-Ti Hsiaw
  • Patent number: 9960074
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: May 1, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Patent number: 9881834
    Abstract: A method includes performing an implantation on a portion of a first layer to form an implanted region, and removing un-implanted portions of the first layer. The implanted region remains after the un-implanted portions of the first layer are removed. An etching is then performed on a second layer underlying the first layer, wherein the implanted region is used as a portion of a first etching mask in the etching. The implanted region is removed. A metal mask is etched using the second layer to form a patterned mask. An inter-layer dielectric is then etched to form a contact opening, wherein the patterned mask is used as a second etching mask.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: January 30, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hung Sun, Han-Ti Hsiaw, Yi-Wei Chiu, Kuan-Cheng Wang, Shin-Yeu Tsai, Jr-Yu Chen, Wen-Cheng Wu
  • Publication number: 20180005870
    Abstract: A method includes etching a semiconductor substrate to form trenches extending into the semiconductor substrate, and depositing a first dielectric layer into the trenches. The first dielectric layer fills lower portions of the trenches. A Ultra-Violet (UV) treatment is performed on the first dielectric layer in an oxygen-containing process gas. The method further includes depositing a second dielectric layer into the trenches. The second dielectric layer fills upper portions of the trenches. A thermal treatment is performed on the second dielectric layer in an additional oxygen-containing process gas. After the thermal treatment, an anneal is performed on the first dielectric layer and the second dielectric layer.
    Type: Application
    Filed: September 6, 2016
    Publication date: January 4, 2018
    Inventors: Tsung Han Hsu, Kuan-Cheng Wang, Han-Ti Hsiaw, Shin-Yeu Tsai
  • Patent number: 9837267
    Abstract: A method of forming a semiconductor device includes forming a dielectric layer over a substrate, and curing the dielectric layer with a first curing process. The first curing process includes providing a first UV light source, filtering the first UV light source with a first filter, the first filter permitting a first electromagnetic radiation within a first pre-determined spectrum to pass through and blocking electromagnetic radiation outside the first pre-determined spectrum, and curing the dielectric layer with the first electromagnetic radiation of the first UV light source.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: December 5, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuan-Cheng Wang, Han-Ti Hsiaw
  • Publication number: 20170316936
    Abstract: A method of forming a semiconductor device includes forming a dielectric layer over a substrate, and curing the dielectric layer with a first curing process. The first curing process includes providing a first UV light source, filtering the first UV light source with a first filter, the first filter permitting a first electromagnetic radiation within a first pre-determined spectrum to pass through and blocking electromagnetic radiation outside the first pre-determined spectrum, and curing the dielectric layer with the first electromagnetic radiation of the first UV light source.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Inventors: Kuan-Cheng Wang, Han-Ti Hsiaw
  • Patent number: 9728402
    Abstract: An embodiment is a method including depositing a first flowable film over a substrate in a processing region, the first flowable film comprising silicon and nitrogen, curing the first flowable film in a first step at a first temperature with a first process gas and ultra-violet light, the first process gas including oxygen, curing the first flowable film in a second step at a second temperature with a second process gas and ultra-violet light, the second process gas being different than the first process gas, and annealing the cured first flowable film at a third temperature to convert the cured first flowable film into a silicon oxide film over the substrate.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: August 8, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuan-Cheng Wang, Chun-Hao Hsu, Han-Ti Hsiaw, Keng-Chu Lin
  • Patent number: 9647090
    Abstract: The present disclosure provides a method forming a semiconductor device in accordance with some embodiments. The method includes receiving a substrate having a fin protruding through the substrate, wherein the fin is formed of a first semiconductor material, exposing the substrate in an environment including hydrogen radicals, thereby passivating the protruded fin using the hydrogen radicals, and epitaxially growing a cap layer of a second semiconductor material to cover the protruded fin.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: May 9, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuan-Cheng Wang, Chien-Feng Lin, Jeng-Yang Pan, Keng-Chu Lin
  • Publication number: 20170053798
    Abstract: An embodiment is a method including depositing a first flowable film over a substrate in a processing region, the first flowable film comprising silicon and nitrogen, curing the first flowable film in a first step at a first temperature with a first process gas and ultra-violet light, the first process gas including oxygen, curing the first flowable film in a second step at a second temperature with a second process gas and ultra-violet light, the second process gas being different than the first process gas, and annealing the cured first flowable film at a third temperature to convert the cured first flowable film into a silicon oxide film over the substrate.
    Type: Application
    Filed: August 21, 2015
    Publication date: February 23, 2017
    Inventors: Kuan-Cheng Wang, Chun-Hao Hsu, Han-Ti Hsiaw, Keng-Chu Lin