Patents by Inventor Chen-Hung CHAO

Chen-Hung CHAO 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: 12261055
    Abstract: The method includes receiving a semiconductor device having a first surface and a second surface. The first surface is a top surface including a conductive material exposed thereon; and the second surface is an embedded surface including the conductive material and a dielectric material. The method also includes selecting a first polishing slurry to achieve a first polishing rate of the conductive material in the first polishing slurry and a second polishing rate of the dielectric material in the first polishing slurry. The method further includes selecting a second polishing slurry to achieve a third polishing rate of the conductive material in the second polishing slurry and a fourth polishing rate of the dielectric material in the second polishing slurry. The method additionally includes polishing the first surface with the first polishing slurry until the second surface is exposed; and polishing the second surface with the second polishing slurry.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: March 25, 2025
    Assignee: TAIWAN SSEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: An-Hsuan Lee, Chun-Hung Liao, Chen-Hao Wu, Shen-Nan Lee, Teng-Chun Tsai, Huang-Lin Chao
  • Patent number: 12235572
    Abstract: An optical element driving mechanism is provided, including a movable part, a fixed part, a driving assembly, a circuit assembly, and a connecting element. The movable part is for connecting an optical element. The fixed part includes an outer frame and a base, wherein the movable part is movable relative to the fixed part. The driving assembly is for generating a driving force to drive the movable part to move relative to the fixed part. The circuit assembly is for connecting to an external circuit. The circuit assembly includes a first terminal. The outer frame is fixedly connected to the base via the connecting element.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: February 25, 2025
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hung Chao, Yi-Chieh Lin, Tsung-Han Wu, Shou-Jen Liu
  • Patent number: 12222638
    Abstract: An optical element driving mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part is for connecting the optical element. The movable part is movable relative to the fixed part. The driving assembly is used for generating a driving force to drive the movable part to move relative to the fixed part. The driving assembly further includes a first reinforcement element, for strengthening the driving force.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: February 11, 2025
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hung Chao, Yi-Chieh Lin, Tsung-Han Wu, Shou-Jen Liu
  • Publication number: 20250020972
    Abstract: A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.
    Type: Application
    Filed: July 5, 2024
    Publication date: January 16, 2025
    Inventors: Jui-Ta CHIEN, Chen-Hung CHAO, Sin-Jhong SONG
  • Publication number: 20250020889
    Abstract: A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.
    Type: Application
    Filed: July 5, 2024
    Publication date: January 16, 2025
    Inventors: Jui-Ta CHIEN, Chen-Hung CHAO, Sin-Jhong SONG
  • Publication number: 20250004352
    Abstract: An optical element driving mechanism is provided, including a movable part, a first frame, a driving assembly, and a first sensing assembly. The movable part is for connecting an optical element. The movable part may move relative to the first frame. The driving assembly drives the movable part to move relative to the first frame. The first sensing assembly is for sensing the movement of the movable part.
    Type: Application
    Filed: June 27, 2024
    Publication date: January 2, 2025
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Yi-Ho CHEN, Chao-Chang HU, Wei-Jhe SHEN, Sin-Jhong SONG
  • Publication number: 20240402457
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving component. The movable portion is configured to connect an optical element. The optical element has an optical axis. The movable portion is movable relative to the fixed portion. The driving component is configured to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 5, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Yi-Ho CHEN, Wei-Jhe SHEN, Sin-Jhong SONG
  • Publication number: 20240231037
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: October 20, 2023
    Publication date: July 11, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Publication number: 20240152035
    Abstract: An optical system is provided, including a fixed part, a movable part, and a driving assembly. The fixed part has an opening. A light passes through the opening. The movable part is movable relative to the fixed part and connected to a first optical element. The driving assembly drives the movable part to move relative to the fixed part. The first optical element at least partially overlaps the opening when the movable part is in a first position. The first optical element further includes a first optical element surface, and the first optical element surface faces the light.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Chao-Chang HU, Yi-Ho CHEN, Wei-Jhe SHEN
  • Publication number: 20240152033
    Abstract: An optical system is provided, including a movable part, a fixed part, and a driving assembly. The movable part is connected to a first optical element. The movable part is movable relative to the fixed part. The fixed part has a fixed part opening, wherein a light passes through the fixed part opening. The driving assembly drives the movable part to move relative to the fixed part. The first optical element at least partially overlaps the fixed part opening when the movable part is in a first position. When the movable part is in an extreme position, the first optical element does not overlap the fixed part opening.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Chao-Chang HU, Yi-Ho CHEN, Wei-Jhe SHEN
  • Publication number: 20240152034
    Abstract: An optical element driving mechanism is provided, which includes a movable portion, a fixed portion and a driving assembly. The movable portion is connected with an optical element. The movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Chao-Chang HU, Yi-Ho CHEN
  • Publication number: 20240134147
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Publication number: 20240094498
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 21, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Publication number: 20240085718
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 14, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Yen-Sheng LIU, Shou-Jen LIU, Yi-Ho CHEN, Yung-Hsien YEH
  • Publication number: 20240077744
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 7, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Publication number: 20240077745
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 7, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Yen-Sheng LIU, Shou-Jen LIU, Yi-Ho CHEN, Yung-Hsien YEH
  • Publication number: 20240077697
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 7, 2024
    Inventors: Po-Xiang ZHUANG, Chen-Hung CHAO, Wei-Jhe SHEN, Shou-Jen LIU, Kun-Shih LIN, Yi-Ho CHEN
  • Publication number: 20240019712
    Abstract: An optical element driving mechanism is provided, including a movable part, a fixed part, a driving assembly, and a circuit assembly. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The circuit assembly is electrically connected to the driving assembly.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Chao-Chang HU, Yi-Ho CHEN, Shou-Jen LIU
  • Publication number: 20240019763
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, and a driving assembly. The movable part connects an optical element. The movable part moves relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The driving assembly includes a first magnetic element and a coil.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Sin-Jhong SONG
  • Publication number: 20240019760
    Abstract: An optical element driving mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed par. The fixed part includes an outer frame and a base.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Yi-Ho CHEN, Shou-Jen LIU, Sin-Jhong SONG, Cheng-Jui CHANG