Patents by Inventor Ching-Sheng Chu

Ching-Sheng Chu 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: 12154939
    Abstract: The present disclosure, in some embodiments, relates to a metal-insulator-metal (MIM) capacitor structure. The MIM capacitor structure includes one or more lower interconnects disposed within a lower dielectric structure over a substrate. A first dielectric layer is over the lower dielectric structure and includes sidewalls defining a plurality of openings extending through the first dielectric layer. A lower electrode is arranged along the sidewalls and over an upper surface of the first dielectric layer, a capacitor dielectric is arranged along sidewalls and an upper surface of the lower electrode, and an upper electrode is arranged along sidewalls and an upper surface of the capacitor dielectric. A spacer is along opposing outermost sidewalls of the upper electrode. The spacer has an outermost surface extending from a lowermost surface of the spacer to a top of the spacer. The outermost surface is substantially aligned with an outermost sidewall of the lower electrode.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: November 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Dun-Nian Yaung, Yu-Cheng Tsai, Meng-Hsien Lin, Ching-Chung Su, Jen-Cheng Liu, Wen-De Wang, Guan-Hua Chen
  • Publication number: 20240387613
    Abstract: The present disclosure, in some embodiments, relates to a capacitor structure. The capacitor structure includes one or more lower interconnects disposed within a lower dielectric structure over a substrate. A lower electrode is arranged along sidewalls and an upper surface of the lower dielectric structure, a capacitor dielectric is arranged along sidewalls and an upper surface of the lower electrode, and an upper electrode is arranged along sidewalls and an upper surface of the capacitor dielectric. A spacer is arranged along outermost sidewalls of the upper electrode. The spacer includes a first upper surface arranged along a first side of the upper electrode and a second upper surface arranged along an opposing second side of the upper electrode. The first upper surface has a different width than the second upper surface.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 21, 2024
    Inventors: Ching-Sheng Chu, Dun-Nian Yaung, Yu-Cheng Tsai, Meng-Hsien Lin, Ching-Chung Su, Jen-Cheng Liu, Wen-De Wang, Guan-Hua Chen
  • Patent number: 12132039
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: October 29, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Patent number: 12087826
    Abstract: The present disclosure provides a method for forming a semiconductor structure. The method includes the following operations. A metal layer is formed. An adhesion-enhancing layer is formed over the metal layer. A dielectric stack is formed over the adhesion-enhancing layer. A trench is formed in the dielectric stack. A barrier layer is formed conforming to the sidewall of the trench. A high-k dielectric layer is formed conforming to the barrier layer. A sacrificial layer is formed conforming to the high-k dielectric layer.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: September 10, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yao-Wen Chang, Gung-Pei Chang, Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20230369389
    Abstract: The present disclosure, in some embodiments, relates to a metal-insulator-metal (MIM) capacitor structure. The MIM capacitor structure includes one or more lower interconnects disposed within a lower dielectric structure over a substrate. A first dielectric layer is over the lower dielectric structure and includes sidewalls defining a plurality of openings extending through the first dielectric layer. A lower electrode is arranged along the sidewalls and over an upper surface of the first dielectric layer, a capacitor dielectric is arranged along sidewalls and an upper surface of the lower electrode, and an upper electrode is arranged along sidewalls and an upper surface of the capacitor dielectric. A spacer is along opposing outermost sidewalls of the upper electrode. The spacer has an outermost surface extending from a lowermost surface of the spacer to a top of the spacer. The outermost surface is substantially aligned with an outermost sidewall of the lower electrode.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Ching-Sheng Chu, Dun-Nian Yaung, Yu-Cheng Tsai, Meng-Hsien Lin, Ching-Chung Su, Jen-Cheng Liu, Wen-De Wang, Guan-Hua Chen
  • Publication number: 20230335543
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 19, 2023
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Patent number: 11769791
    Abstract: The present disclosure, in some embodiments, relates to a method of forming a capacitor structure. The method includes forming a capacitor dielectric layer over a lower electrode layer, and forming an upper electrode layer over the capacitor dielectric layer. The upper electrode layer is etched to define an upper electrode and to expose a part of the capacitor dielectric layer. A spacer structure is formed over horizontally extending surfaces of the upper electrode layer and the capacitor dielectric layer and also along sidewalls of the upper electrode. The spacer structure is etched to remove the spacer structure from over the horizontally extending surfaces of the upper electrode layer and the capacitor dielectric layer and to define a spacer. The capacitor dielectric layer and the lower electrode layer are etched according to the spacer to define a capacitor dielectric and a lower electrode.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: September 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Dun-Nian Yaung, Yu-Cheng Tsai, Meng-Hsien Lin, Ching-Chung Su, Jen-Cheng Liu, Wen-De Wang, Guan-Hua Chen
  • Patent number: 11735550
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor structure including a bond bump disposed on an upper surface of an upper conductive structure. The upper conductive structure overlies a substrate. A buffer layer is disposed along the upper surface of the upper conductive structure. The bond bump comprises a sidewall having a straight sidewall segment overlying a curved sidewall segment.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: August 22, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Patent number: 11721683
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: August 8, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20220367646
    Abstract: The present disclosure provides a method for forming a semiconductor structure. The method includes the following operations. A metal layer is formed. An adhesion-enhancing layer is formed over the metal layer. A dielectric stack is formed over the adhesion-enhancing layer. A trench is formed in the dielectric stack. A barrier layer is formed conforming to the sidewall of the trench. A high-k dielectric layer is formed conforming to the barrier layer. A sacrificial layer is formed conforming to the high-k dielectric layer.
    Type: Application
    Filed: July 29, 2022
    Publication date: November 17, 2022
    Inventors: YAO-WEN CHANG, GUNG-PEI CHANG, CHING-SHENG CHU, CHERN-YOW HSU
  • Patent number: 11476337
    Abstract: The present disclosure provides a method for forming a semiconductor structure. The method includes the following operations. A metal layer is formed. An adhesion-enhancing layer is formed over the metal layer by a silicide operation. A dielectric stack is formed over the adhesion-enhancing layer. A trench is formed in the dielectric stack by removing a portion of dielectric stack aligning with the metal layer. A barrier layer is formed conforming to the sidewall of the trench. A high-k dielectric layer is formed conforming to the barrier layer. A contact is formed in the trench and be connected to the metal layer.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: October 18, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yao-Wen Chang, Gung-Pei Chang, Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20220238636
    Abstract: The present disclosure, in some embodiments, relates to a method of forming a capacitor structure. The method includes forming a capacitor dielectric layer over a lower electrode layer, and forming an upper electrode layer over the capacitor dielectric layer. The upper electrode layer is etched to define an upper electrode and to expose a part of the capacitor dielectric layer. A spacer structure is formed over horizontally extending surfaces of the upper electrode layer and the capacitor dielectric layer and also along sidewalls of the upper electrode. The spacer structure is etched to remove the spacer structure from over the horizontally extending surfaces of the upper electrode layer and the capacitor dielectric layer and to define a spacer. The capacitor dielectric layer and the lower electrode layer are etched according to the spacer to define a capacitor dielectric and a lower electrode.
    Type: Application
    Filed: May 5, 2021
    Publication date: July 28, 2022
    Inventors: Ching-Sheng Chu, Dun-Nian Yaung, Yu-Cheng Tsai, Meng-Hsien Lin, Ching-Chung Su, Jen-Cheng Liu, Wen-De Wang, Guan-Hua Chen
  • Publication number: 20220181312
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 9, 2022
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20220115349
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor structure including a bond bump disposed on an upper surface of an upper conductive structure. The upper conductive structure overlies a substrate. A buffer layer is disposed along the upper surface of the upper conductive structure. The bond bump comprises a sidewall having a straight sidewall segment overlying a curved sidewall segment.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Patent number: 11264368
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: March 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Patent number: 11211352
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device structure including a bump structure overlying a bond pad. The bond pad is disposed over a semiconductor substrate. An etch stop layer overlies the bond pad. A buffer layer is disposed over the bond pad and separates the etch stop layer and the bond pad. The bump structure includes a base portion contacting an upper surface of the bond pad and an upper portion extending through the etch stop layer and the buffer layer. The base portion of the bump structure has a first width or diameter and the upper portion of the bump structure has a second width or diameter. The first width or diameter being greater than the second width or diameter.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: December 28, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20210098405
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device structure including a bump structure overlying a bond pad. The bond pad is disposed over a semiconductor substrate. An etch stop layer overlies the bond pad. A buffer layer is disposed over the bond pad and separates the etch stop layer and the bond pad. The bump structure includes a base portion contacting an upper surface of the bond pad and an upper portion extending through the etch stop layer and the buffer layer. The base portion of the bump structure has a first width or diameter and the upper portion of the bump structure has a second width or diameter. The first width or diameter being greater than the second width or diameter.
    Type: Application
    Filed: October 1, 2019
    Publication date: April 1, 2021
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20210066268
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC includes a first dielectric structure having first inner sidewalls over an interlayer dielectric (ILD) structure. A second dielectric structure is over the first dielectric structure, where the first inner sidewalls are between second inner sidewalls of the second dielectric structure. A sidewall barrier structure is over the first dielectric structure and extends vertically along the second inner sidewalls. A lower bumping structure is between the second inner sidewalls and extends vertically along the first inner sidewalls and vertically along third inner sidewalls of the sidewall barrier structure. An upper bumping structure is over both the lower bumping structure and the sidewall barrier structure and between the second inner sidewalls, where an uppermost point of the upper bumping structure is at or below an uppermost point of the second dielectric structure.
    Type: Application
    Filed: April 7, 2020
    Publication date: March 4, 2021
    Inventors: Ching-Sheng Chu, Chern-Yow Hsu
  • Publication number: 20210020752
    Abstract: The present disclosure provides a method for forming a semiconductor structure. The method includes the following operations. A metal layer is formed. An adhesion-enhancing layer is formed over the metal layer by a silicide operation. A dielectric stack is formed over the adhesion-enhancing layer. A trench is formed in the dielectric stack by removing a portion of dielectric stack aligning with the metal layer. A barrier layer is formed conforming to the sidewall of the trench. A high-k dielectric layer is formed conforming to the barrier layer. A contact is formed in the trench and be connected to the metal layer.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 21, 2021
    Inventors: YAO-WEN CHANG, GUNG-PEI CHANG, CHING-SHENG CHU, CHERN-YOW HSU
  • Patent number: 10790362
    Abstract: The present disclosure provides a semiconductor structure, including providing a metal layer, an adhesion-enhancing layer over the metal layer, a dielectric stack over the adhesion-enhancing layer, a contact penetrating the dielectric stack and the adhesion-enhancing layer and connecting with the metal layer, a barrier layer disposed between the contact and the dielectric stack, and a high-k dielectric layer disposed between the contact and the barrier layer.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: September 29, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yao-Wen Chang, Gung-Pei Chang, Ching-Sheng Chu, Chern-Yow Hsu