Patents by Inventor Ku-Feng Yang

Ku-Feng Yang 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: 20220359292
    Abstract: A method includes forming a plurality of dielectric layers over a semiconductor substrate, etching the plurality of dielectric layers and the semiconductor substrate to form an opening, depositing a first liner extending into the opening, and depositing a second liner over the first liner. The second liner extends into the opening. The method further includes filling a conductive material into the opening to form a through-via, and forming conductive features on opposing sides of the semiconductor substrate. The conductive features are electrically interconnected through the through-via.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 10, 2022
    Inventors: Ming-Tsu Chung, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou, Chen-Hua Yu
  • Publication number: 20220344301
    Abstract: A method includes putting a first package component into contact with a second package component. The first package component comprises a first dielectric layer including a first dielectric material, and the first dielectric material is a silicon-oxide-based dielectric material. The second package component includes a second dielectric layer including a second dielectric material different from the first dielectric material. The second dielectric material comprises silicon and an element selected from the group consisting of carbon, nitrogen, and combinations thereof. An annealing process is performed to bond the first dielectric layer to the second dielectric layer.
    Type: Application
    Filed: December 6, 2021
    Publication date: October 27, 2022
    Inventors: Chen-Hua Yu, Wen-Chih Chiou, Ku-Feng Yang, Ming-Tsu Chung
  • Publication number: 20220238466
    Abstract: A method includes forming a conductive pad over an interconnect structure of a wafer, forming a capping layer over the conductive pad, forming a dielectric layer covering the capping layer, and etching the dielectric layer to form an opening in the dielectric layer. The capping layer is exposed to the opening. A wet-cleaning process is then performed on the wafer. During the wet-cleaning process, a top surface of the capping layer is exposed to a chemical solution used for performing the wet-cleaning process. The method further includes depositing a conductive diffusion barrier extending into the opening, and depositing a conductive material over the conductive diffusion barrier.
    Type: Application
    Filed: February 26, 2021
    Publication date: July 28, 2022
    Inventors: Chen-Yu Tsai, Ku-Feng Yang, Wen-Chih Chiou
  • Publication number: 20220220624
    Abstract: A semiconductor apparatus and methods of processing a semiconductor workpiece are provided. The semiconductor apparatus for pre-wetting a semiconductor workpiece includes a process chamber, a workpiece holder disposed within the process chamber to hold the semiconductor workpiece, a pre-wetting fluid tank disposed outside the process chamber and containing a pre-wetting fluid, and a conduit coupled to the pre-wetting fluid tank and extending into the process chamber. The conduit delivers the pre-wetting fluid from the pre-wetting fluid tank out through an outlet of the conduit to wet a major surface of the semiconductor workpiece comprising a plurality of recess portions.
    Type: Application
    Filed: January 13, 2021
    Publication date: July 14, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Yu Tsai, Ku-Feng Yang, Wen-Chih Chiou
  • Publication number: 20220205126
    Abstract: A plating apparatus includes a workpiece holder, a plating bath, and a clamp ring. The plating bath is underneath the workpiece holder. The clamp ring is connected to the workpiece holder. The clamp ring includes channels communicating an inner surface of the clamp ring and an outer surface of the clamp ring.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 30, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Yu Tsai, Ku-Feng Yang, Wen-Chih Chiou
  • Patent number: 11296011
    Abstract: A device includes a substrate, and a plurality of dielectric layers over the substrate. A plurality of metallization layers is formed in the plurality of dielectric layers, wherein at least one of the plurality of metallization layers comprises a metal pad. A through-substrate via (TSV) extends from the top level of the plurality of the dielectric layers to a bottom surface of the substrate. A deep conductive via extends from the top level of the plurality of dielectric layers to land on the metal pad. A metal line is formed over the top level of the plurality of dielectric layers and interconnecting the TSV and the deep conductive via.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: April 5, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Cheng Lin, Ku-Feng Yang
  • Publication number: 20220093461
    Abstract: A method includes forming a plurality of dielectric layers over a semiconductor substrate, etching the plurality of dielectric layers and the semiconductor substrate to form an opening, depositing a first liner extending into the opening, and depositing a second liner over the first liner. The second liner extends into the opening. The method further includes filling a conductive material into the opening to form a through-via, and forming conductive features on opposing sides of the semiconductor substrate. The conductive features are electrically interconnected through the through-via.
    Type: Application
    Filed: December 31, 2020
    Publication date: March 24, 2022
    Inventors: Ming-Tsu Chung, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou, Chen-Hua Yu
  • Publication number: 20210384158
    Abstract: A semiconductor package including an improved isolation bonding film and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first die bonded to a package substrate, the first die including vias extending through a substrate, the vias extending above a top surface of the substrate; a first dielectric film extending along a top surface of the package substrate, along the top surface of the substrate, and along sidewalls of the first die, the vias extending through the first dielectric film; a second die bonded to the first dielectric film and the vias; and an encapsulant over the package substrate, the first die, the first dielectric film, and the second die.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 9, 2021
    Inventors: Ming-Tsu Chung, Ku-Feng Yang, Yung-Chi Lin, Wen-Chih Chiou, Chen-Hua Yu
  • Publication number: 20210335694
    Abstract: A semiconductor device includes a through-substrate via extending from a frontside to a backside of a semiconductor substrate. The through-substrate via includes a concave or a convex portion adjacent to the backside of the semiconductor substrate. An isolation film is formed on the backside of the semiconductor substrate. A conductive layer includes a first portion formed on the concave or convex portion of the through substrate via and a second portion formed on the isolation film. A passivation layer partially covers the conductive layer.
    Type: Application
    Filed: July 2, 2021
    Publication date: October 28, 2021
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Ming-Tsu Chung, HsiaoYun Lo, Hong-Ye Shih, Chia-Yin Chen, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 11101240
    Abstract: A semiconductor package including an improved isolation bonding film and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first die bonded to a package substrate, the first die including vias extending through a substrate, the vias extending above a top surface of the substrate; a first dielectric film extending along a top surface of the package substrate, along the top surface of the substrate, and along sidewalls of the first die, the vias extending through the first dielectric film; a second die bonded to the first dielectric film and the vias; and an encapsulant over the package substrate, the first die, the first dielectric film, and the second die.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: August 24, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ming-Tsu Chung, Ku-Feng Yang, Yung-Chi Lin, Wen-Chih Chiou, Chen-Hua Yu
  • Patent number: 11056419
    Abstract: A semiconductor device includes a through-substrate via extending from a frontside to a backside of a semiconductor substrate. The through-substrate via includes a concave or a convex portion adjacent to the backside of the semiconductor substrate. An isolation film is formed on the backside of the semiconductor substrate. A conductive layer includes a first portion formed on the concave or convex portion of the through substrate via and a second portion formed on the isolation film. A passivation layer partially covers the conductive layer.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: July 6, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Ming-Tsu Chung, HsiaoYun Lo, Hong-Ye Shih, Chia-Yin Chen, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 11004741
    Abstract: An interconnect structure for an integrated circuit, such as a three dimensional integrated circuit (3DIC), and a method of forming the same is provided. An example interconnect structure includes a substrate, a through via extending through the substrate, and a liner disposed between the substrate and the through via. The substrate includes a tapered profile portion. The tapered profile portion abuts the liner.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: May 11, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jiung Wu, Kuan-Liang Lai, Ming-Tsu Chung, Hong-Ye Shih, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou, Shin-Puu Jeng, Chen-Hua Yu
  • Publication number: 20210125900
    Abstract: A device includes a substrate, and a plurality of dielectric layers over the substrate. A plurality of metallization layers is formed in the plurality of dielectric layers, wherein at least one of the plurality of metallization layers comprises a metal pad. A through-substrate via (TSV) extends from the top level of the plurality of the dielectric layers to a bottom surface of the substrate. A deep conductive via extends from the top level of the plurality of dielectric layers to land on the metal pad. A metal line is formed over the top level of the plurality of dielectric layers and interconnecting the TSV and the deep conductive via.
    Type: Application
    Filed: January 5, 2021
    Publication date: April 29, 2021
    Inventors: Jing-Cheng Lin, Ku-Feng Yang
  • Publication number: 20210050316
    Abstract: A device includes a first side interconnect structure over a first side of a substrate, wherein active circuits are in the substrate and adjacent to the first side of the substrate, a dielectric layer over a second side of the substrate, a pad embedded in the dielectric layer, the pad comprising an upper portion and a bottom portion formed of two different materials and a passivation layer over the dielectric layer.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 18, 2021
    Inventors: Hsiao Yun Lo, Lin-Chih Huang, Tasi-Jung Wu, Hsin-Yu Chen, Yung-Chi Lin, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20200411472
    Abstract: A semiconductor package including an improved isolation bonding film and methods of forming the same are disclosed. In an embodiment, a semiconductor device includes a first die bonded to a package substrate, the first die including vias extending through a substrate, the vias extending above a top surface of the substrate; a first dielectric film extending along a top surface of the package substrate, along the top surface of the substrate, and along sidewalls of the first die, the vias extending through the first dielectric film; a second die bonded to the first dielectric film and the vias; and an encapsulant over the package substrate, the first die, the first dielectric film, and the second die.
    Type: Application
    Filed: June 28, 2019
    Publication date: December 31, 2020
    Inventors: Ming-Tsu Chung, Ku-Feng Yang, Yung-Chi Lin, Wen-Chih Chiou, Chen-Hua Yu
  • Patent number: 10811374
    Abstract: A device includes a first side interconnect structure over a first side of a substrate, wherein active circuits are in the substrate and adjacent to the first side of the substrate, a dielectric layer over a second side of the substrate, a pad embedded in the dielectric layer, the pad comprising an upper portion and a bottom portion formed of two different materials and a passivation layer over the dielectric layer.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: October 20, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsiao Yun Lo, Lin-Chih Huang, Tasi-Jung Wu, Hsin-Yu Chen, Yung-Chi Lin, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20200144119
    Abstract: An interconnect structure for an integrated circuit, such as a three dimensional integrated circuit (3DIC), and a method of forming the same is provided. An example interconnect structure includes a substrate, a through via extending through the substrate, and a liner disposed between the substrate and the through via. The substrate includes a tapered profile portion. The tapered profile portion abuts the liner.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 7, 2020
    Inventors: Jiung Wu, Kuan-Liang Lai, Ming-Tsu Chung, Hong-Ye Shih, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou, Shin-Puu Jeng, Chen-Hua Yu
  • Publication number: 20200118879
    Abstract: A semiconductor device and method of manufacture are provided. In an embodiment a first semiconductor device and a second semiconductor device are formed within a semiconductor wafer and a scribe region between the first semiconductor device and the second semiconductor device is patterned. A singulation process is then utilized within the scribe region to singulate the first semiconductor device from the second semiconductor device. The first semiconductor device and the second semiconductor device are then bonded to a second semiconductor substrate and thinned in order to remove extension regions from the first semiconductor device and the second semiconductor device.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Chen-Hua Yu, Hung-Pin Chang, Yi-Hsiu Chen, Ku-Feng Yang, Wen-Chih Chiou
  • Patent number: 10566237
    Abstract: An interconnect structure for an integrated circuit, such as a three dimensional integrated circuit (3DIC), and a method of forming the same is provided. An example interconnect structure includes a substrate, a through via extending through the substrate, and a liner disposed between the substrate and the through via. The substrate includes a tapered profile portion. The tapered profile portion abuts the liner.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 18, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jiung Wu, Kuan-Liang Lai, Ming-Tsu Chung, Hong-Ye Shih, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou, Shin-Puu Jeng, Chen-Hua Yu
  • Publication number: 20200006201
    Abstract: A semiconductor device includes a through-substrate via extending from a frontside to a backside of a semiconductor substrate. The through-substrate via includes a concave or a convex portion adjacent to the backside of the semiconductor substrate. An isolation film is formed on the backside of the semiconductor substrate. A conductive layer includes a first portion formed on the concave or convex portion of the through substrate via and a second portion formed on the isolation film. A passivation layer partially covers the conductive layer.
    Type: Application
    Filed: September 13, 2019
    Publication date: January 2, 2020
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Ming-Tsu Chung, HsiaoYun Lo, Hong-Ye Shih, Chia-Yin Chen, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou