Patents by Inventor Chih-Chang Wang

Chih-Chang 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: 12001074
    Abstract: An optical element driving mechanism has an optical axis, and includes a fixed portion, a movable element, a plurality of blades, and a driving assembly. The fixed portion has an opening. The movable element is movable relative to the fixed portion. The blades are connected to the movable element. The driving assembly drives the movable element to move relative to the fixed portion. The driving assembly drives the movable element to change an overlap area of the blade and the opening.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: June 4, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Chao-Hsi Wang, Kuen-Wang Tsai
  • Publication number: 20240176093
    Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.
    Type: Application
    Filed: February 5, 2024
    Publication date: May 30, 2024
    Inventors: Chao-Chang HU, Chih-Wei WENG, Chia-Che WU, Chien-Yu KAO, Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chen-Hsien FAN, Che-Wei CHANG, Mao-Gen JIAN, Sung-Mao TSAI, Wei-Jhe SHEN, Yung-Ping YANG, Sin-Hong LIN, Tzu-Yu CHANG, Sin-Jhong SONG, Shang-Yu HSU, Meng-Ting LIN, Shih-Wei HUNG, Yu-Huai LIAO, Mao-Kuo HSU, Hsueh-Ju LU, Ching-Chieh HUANG, Chih-Wen CHIANG, Yu-Chiao LO, Ying-Jen WANG, Shu-Shan CHEN, Che-Hsiang CHIU
  • Patent number: 11996481
    Abstract: A semiconductor device includes a semiconductor layer. A gate structure is disposed over the semiconductor layer. A spacer is disposed on a sidewall of the gate structure. A height of the spacer is greater than a height of the gate structure. A liner is disposed on the gate structure and on the spacer. The spacer and the liner have different material compositions.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 28, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Huan-Chieh Su, Chih-Hao Wang, Kuo-Cheng Chiang, Wei-Hao Wu, Zhi-Chang Lin, Jia-Ni Yu, Yu-Ming Lin, Chung-Wei Hsu
  • Publication number: 20240168256
    Abstract: An optical element driving mechanism is provided, including a fixed portion and a movable portion. The movable portion moves relative to the fixed portion. The movable portion includes a first movable assembly and a second movable assembly. The first movable assembly is connected to a first optical element. The second movable assembly is connected to a second optical element. The first movable assembly and the second movable assembly are movable relative to each other. The fixed portion further includes a first guiding element and a second guiding element. The first guiding element guides the first movable assembly and the second movable assembly to move in a first dimension. The second guiding element guides the first movable assembly and the second movable assembly to move in the first dimension. The first guiding element and the second guiding element are located at opposite corners of the fixed portion.
    Type: Application
    Filed: February 1, 2024
    Publication date: May 23, 2024
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG
  • Patent number: 11982866
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: May 14, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Chen-Er Hsu, Yi-Liang Chan, Fu-Lai Tseng, Fu-Yuan Wu, Chen-Chi Kuo, Ying-Jen Wang, Wei-Han Hsia, Yi-Hsin Tseng, Wen-Chang Lin, Chun-Chia Liao, Shou-Jen Liu, Chao-Chun Chang, Yi-Chieh Lin, Shang-Yu Hsu, Yu-Huai Liao, Shih-Wei Hung, Sin-Hong Lin, Kun-Shih Lin, Yu-Cheng Lin, Wen-Yen Huang, Wei-Jhe Shen, Chih-Shiang Wu, Sin-Jhong Song, Che-Hsiang Chiu, Sheng-Chang Lin
  • Patent number: 11978802
    Abstract: Provided are FinFET devices and methods of forming the same. A dummy gate having gate spacers on opposing sidewalls thereof is formed over a substrate. A dielectric layer is formed around the dummy gate. An upper portion of the dummy gate is removed and upper portions of the gate spacers are removed, so as to form a first opening in the dielectric layer. A lower portion of the dummy gate is removed to form a second opening below the first opening. A metal layer is formed in the first and second openings. The metal layer is partially removed to form a metal gate.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 7, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Wei Hsu, Chih-Hao Wang, Huan-Chieh Su, Wei-Hao Wu, Zhi-Chang Lin, Jia-Ni Yu
  • Patent number: 11967594
    Abstract: A semiconductor device structure, along with methods of forming such, are described. The structure includes a stack of semiconductor layers spaced apart from and aligned with each other, a first source/drain epitaxial feature in contact with a first one or more semiconductor layers of the stack of semiconductor layers, and a second source/drain epitaxial feature disposed over the first source/drain epitaxial feature. The second source/drain epitaxial feature is in contact with a second one or more semiconductor layers of the stack of semiconductor layers. The structure further includes a first dielectric material disposed between the first source/drain epitaxial feature and the second source/drain epitaxial feature and a first liner disposed between the first source/drain epitaxial feature and the second source/drain epitaxial feature. The first liner is in contact with the first source/drain epitaxial feature and the first dielectric material.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: April 23, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Cheng Chen, Zhi-Chang Lin, Jung-Hung Chang, Lo Heng Chang, Chien Ning Yao, Kuo-Cheng Chiang, Chih-Hao Wang
  • Publication number: 20240105719
    Abstract: Examples of an integrated circuit with FinFET devices and a method for forming the integrated circuit are provided herein. In some examples, an integrated circuit device includes a substrate, a fin extending from the substrate, a gate disposed on a first side of the fin, and a gate spacer disposed alongside the gate. The gate spacer has a first portion extending along the gate that has a first width and a second portion extending above the first gate that has a second width that is greater than the first width. In some such examples, the second portion of the gate spacer includes a gate spacer layer disposed on the gate.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Kuo-Cheng Ching, Huan-Chieh Su, Zhi-Chang Lin, Chih-Hao Wang
  • Patent number: 11940388
    Abstract: Example methods are provided to improve placement of an adaptor (210,220) to a mobile computing device (100) to measure a test strip (221) coupled to the adaptor (220) with a camera (104) and a screen (108) on a face of the mobile computing device (100). The method may include displaying a light area on a first portion of the screen (108). The first portion may be adjacent to the camera (104). The light area and the camera (104) may be aligned with a key area of the test strip (221) so that the camera (104) is configured to capture an image of the key area. The method may further include providing first guiding information for a user to place the adaptor (210,220) to the mobile computing device (100) according to a position of the light area on the screen (108).
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: March 26, 2024
    Assignee: IXENSOR CO., LTD.
    Inventors: Yenyu Chen, An Cheng Chang, Tai I Chen, Su Tung Yang, Chih Jung Hsu, Chun Cheng Lin, Min Han Wang, Shih Hao Chiu
  • Publication number: 20240096895
    Abstract: According to one example, a semiconductor device includes a substrate and a fin stack that includes a plurality of nanostructures, a gate device surrounding each of the nanostructures, and inner spacers along the gate device and between the nanostructures. A width of the inner spacers differs between different layers of the fin stack.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Jui-Chien Huang, Shih-Cheng Chen, Chih-Hao Wang, Kuo-Cheng Chiang, Zhi-Chang Lin, Jung-Hung Chang, Lo-Heng Chang, Shi Ning Ju, Guan-Lin Chen
  • Patent number: 11935794
    Abstract: A method of forming a semiconductor transistor device. The method comprises forming a channel structure over a substrate and forming a first source/drain structure and a second source/drain structure on opposite sides of the fin structure. The method further comprises forming a gate structure surrounding the fin structure. The method further comprises flipping and partially removing the substrate to form a back-side capping trench while leaving a lower portion of the substrate along upper sidewalls of the first source/drain structure and the second source/drain structure as a protective spacer. The method further comprises forming a back-side dielectric cap in the back-side capping trench.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Huan-Chieh Su, Cheng-Chi Chuang, Chih-Hao Wang, Zhi-Chang Lin, Li-Zhen Yu
  • Patent number: 11934027
    Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: March 19, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
  • Publication number: 20240088145
    Abstract: Examples of an integrated circuit with gate cut features and a method for forming the integrated circuit are provided herein. In some examples, a workpiece is received that includes a substrate and a plurality of fins extending from the substrate. A first layer is formed on a side surface of each of the plurality of fins such that a trench bounded by the first layer extends between the plurality of fins. A cut feature is formed in the trench. A first gate structure is formed on a first fin of the plurality of fins, and a second gate structure is formed on a second fin of the plurality of fins such that the cut feature is disposed between the first gate structure and the second gate structure.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 14, 2024
    Inventors: Zhi-Chang Lin, Wei-Hao Wu, Jia-Ni Yu, Chih-Hao Wang, Kuo-Cheng Ching
  • Publication number: 20240078887
    Abstract: There is provided a smoke detector including a first light source, a second light source surface, a light sensor and a processor. The light sensor receives reflected light when the first light source and the second light source emit light, and generates a first detection signal corresponding to light emission of the first light source and a second detection signal corresponding to light emission of the second light source. The processor distinguishes smoke and floating particles according to a similarity between the first detection signal and the second detection signal.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 7, 2024
    Inventors: CHENG-NAN TSAI, GUO-ZHEN WANG, CHING-KUN CHEN, YEN-CHANG CHU, CHIH-MING SUN
  • Patent number: 11921345
    Abstract: An optical element driving mechanism is provided in the present disclosure. The optical element driving mechanism includes a fixed portion and a movable portion. The movable portion moves relative to the fixed portion. The movable portion includes a first movable assembly and a second movable assembly. The first movable assembly is connected to a first optical element. The second movable assembly is connected to a second optical element. The first movable assembly and the second movable assembly are movable relative to each other.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: March 5, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng
  • Patent number: 11921307
    Abstract: The present disclosure provides an optical element driving mechanism, which includes a movable part, a fixed assembly, and a driving assembly. The movable part is configured to be connected to an optical element. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The movable part includes a connecting assembly configured to position the optical element.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: March 5, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Kuen-Wang Tsai, Tzu-Ying Chen
  • Patent number: 11916110
    Abstract: Embodiments of the present disclosure provide a method for forming semiconductor device structures. The method includes forming a fin structure having a stack of semiconductor layers comprising first semiconductor layers and second semiconductor layers alternatingly arranged, forming a sacrificial gate structure over a portion of the fin structure, removing the first and second semiconductor layers in a source/drain region of the fin structure that is not covered by the sacrificial gate structure, forming an epitaxial source/drain feature in the source/drain region, removing portions of the sacrificial gate structure to expose the first and second semiconductor layers, removing portions of the second semiconductor layers so that at least one second semiconductor layer has a width less than a width of each of the first semiconductor layers, forming a conformal gate dielectric layer on exposed first and second semiconductor layers, and forming a gate electrode layer on the conformal gate dielectric layer.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Ching Wang, Wei-Yang Lee, Ming-Chang Wen, Jo-Tzu Hung, Wen-Hsing Hsieh, Kuan-Lun Cheng
  • Patent number: 8169229
    Abstract: An active device array includes a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a first testing circuit, a second testing circuit, a third testing circuit and a fourth testing circuit. Each of the pixel structures is connected to one of the scan lines and one of the data lines. The first testing circuit is electrically connected to the odd scan lines; the second testing circuit is electrically connected to the (4n+1)th scan lines wherein n is zero or a positive integer; the third testing circuit is electrically connected to the even scan lines; the fourth testing circuit is electrically connected to the (4n+2)th scan lines.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: May 1, 2012
    Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek Corporation
    Inventors: Chih-Chang Wang, Chih-Ming Chang, Chun-Chieh Wu
  • Publication number: 20110057680
    Abstract: An active device array includes a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a first testing circuit, a second testing circuit, a third testing circuit and a fourth testing circuit. Each of the pixel structures is connected to one of the scan lines and one of the data lines. The first testing circuit is electrically connected to the odd scan lines; the second testing circuit is electrically connected to the (4n+1)th scan lines wherein n is zero or a positive integer; the third testing circuit is electrically connected to the even scan lines; the fourth testing circuit is electrically connected to the (4n+2)th scan lines.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATION
    Inventors: Chih-Chang Wang, Chih-Ming Chang, Chun-Chieh Wu
  • Publication number: 20090214321
    Abstract: A self-drilling screw includes a head portion, a shank portion having an externally threaded section, and a drilling portion opposite to the head portion. The drilling portion has a main section and a tip section, two flutes extending helically through the main and tip sections, and two lands extending helically between the flutes. Each of the lands has a tapered face extending in the tip section and between the flutes, and a drilling edge formed on one end of the tapered face.
    Type: Application
    Filed: February 25, 2008
    Publication date: August 27, 2009
    Applicant: SUN THROUGH INDUSTRIAL CO., LTD.
    Inventors: Hsi-Yuan WANG, Chih-Chang WANG