Patents by Inventor Chang Huang

Chang Huang 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: 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
  • Publication number: 20240096781
    Abstract: A package structure including a semiconductor die, a redistribution circuit structure and an electronic device is provided. The semiconductor die is laterally encapsulated by an insulating encapsulation. The redistribution circuit structure is disposed on the semiconductor die and the insulating encapsulation. The redistribution circuit structure includes a colored dielectric layer, inter-dielectric layers and redistribution conductive layers embedded in the inter-dielectric layers. The electronic device is disposed over the colored dielectric layer and electrically connected to the redistribution circuit structure.
    Type: Application
    Filed: March 20, 2023
    Publication date: March 21, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Ti Lu, Hao-Yi Tsai, Chia-Hung Liu, Yu-Hsiang Hu, Hsiu-Jen Lin, Tzuan-Horng Liu, Chih-Hao Chang, Bo-Jiun Lin, Shih-Wei Chen, Hung-Chun Cho, Pei-Rong Ni, Hsin-Wei Huang, Zheng-Gang Tsai, Tai-You Liu, Po-Chang Shih, Yu-Ting Huang
  • Patent number: 11935969
    Abstract: A photodetector includes a first semiconductor layer, an absorption structure, a second semiconductor layer, and a barrier structure. The absorption structure is located on the first semiconductor layer, and having a first conduction band, a first valence band, and a first band gap. The second semiconductor layer is located on the absorption structure, and having a second conduction band, a second valence band, and a second band gap. The barrier structure is located between the absorption structure and the second semiconductor layer, and having a third conduction band, a third valence band, and a third band gap. The third conduction band is greater than the second conduction band or the third valence band is less than the second valence band.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: March 19, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Shih-Chang Lee, Shiuan-Leh Lin, I-Hung Chen, Chu-Jih Su, Chao-Shun Huang
  • 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
  • Patent number: 11935981
    Abstract: A photo-detecting device includes a first semiconductor layer with a first dopant, a light-absorbing layer, a second semiconductor layer, and a semiconductor contact layer. The second semiconductor layer is located on the first semiconductor layer and has a first region and a second region, the light absorbing layer is located between the first semiconductor layer and the second semiconductor layer and has a third region and a fourth region, the semiconductor contact layer contacts the first region. The first region includes a second dopant and a third dopant, the second region includes second dopant, and the third region includes third dopant. The semiconductor contact layer has a first thickness greater than 50 ? and smaller than 1000 ?.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 19, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Chu-Jih Su, Chia-Hsiang Chou, Wei-Chih Peng, Wen-Luh Liao, Chao-Shun Huang, Hsuan-Le Lin, Shih-Chang Lee, Mei Chun Liu, Chen Ou
  • Publication number: 20240086590
    Abstract: An adaptive grid generating method includes obtaining a first three-dimensional grid of a target structure; importing the first three-dimensional grid into a computer-aided engineering software to obtain a first two-dimensional planar grid; importing the first two-dimensional planar grid into a grid cleaning software to obtain a second two-dimensional planar grid; and importing the second two-dimensional planar grid into the computer-aided engineering software to obtain a second three-dimensional grid.
    Type: Application
    Filed: June 12, 2023
    Publication date: March 14, 2024
    Applicants: Inventec (Pudong) Technology Corp., Inventec Corporation
    Inventors: Hsueh-Liang Chen, Chen-Chou Huang, I-Chang Wang, Tzung-Shian Hung
  • Patent number: 11927578
    Abstract: A smart wearable device includes a wearable device body, a signal control module, a gas detection module, a signal recording module, and a vibration generating module. The gas detection module can detect a gas concentration of a predetermined gas surrounding the wearable device body so as to obtain a gas concentration signal. The signal recording module can record a plurality of gas concentration values that are provided by the gas concentration signal, and record a plurality of gas-measuring time points that are respectively configured for obtaining the gas concentration values. The vibration generating module can generate a prompt signal according to the gas concentration value provided by the gas concentration signal, and generate a beat signal according to a user setting value. Therefore, the smart wearable device can provide relevant information corresponding to the gas concentration signal, the prompt signal, and the beat signal for a user.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: March 12, 2024
    Assignee: RADIANT INNOVATION INC.
    Inventors: Yu-Chien Huang, Chien-Chang Liao
  • Patent number: 11929283
    Abstract: A semiconductor device includes a gate structure on a substrate and a dielectric film stack over the gate structure and the substrate, where the dielectric film stack includes a first inter layer dielectric (ILD) over the substrate and the gate structure, a barrier layer over the first ILD, a second ILD over the barrier layer, and a contact extending through the dielectric film stack. An upper portion of a contact sidewall has a first slope, a lower portion of the contact sidewall has a second slope different from the first slope, and a transition from the first slope to the second slope occurs at a portion of the contact extending through the barrier layer.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: March 12, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Pin Chi Huang, Chien-Chang Fang, Rung Hung Hsueh
  • Publication number: 20240079278
    Abstract: A method includes forming a pad layer. The pad layer includes a first portion over a first part of a semiconductor substrate, and a second portion over a second part of the semiconductor substrate. The first portion has a first thickness, and the second portion has a second thickness smaller than the first thickness. The semiconductor substrate is then annealed to form a first oxide layer over the first part of the semiconductor substrate, and a second oxide layer over the second part of the semiconductor substrate. The pad layer, the first oxide layer, and the second oxide layer are removed. A semiconductor layer is epitaxially grown over and contacting the first part and the second part of the semiconductor substrate.
    Type: Application
    Filed: January 6, 2023
    Publication date: March 7, 2024
    Inventors: Jhih-Yong Han, Wen-Yen Chen, Yi-Ting Wu, Tsai-Yu Huang, Huicheng Chang, Yee-Chia Yeo
  • Publication number: 20240079524
    Abstract: A semiconductor device comprises a first semiconductor structure, a second semiconductor structure located on the first semiconductor structure, and an active layer located between the first semiconductor structure and the second semiconductor structure. The first semiconductor structure has a first conductivity type, and includes a plurality of first layers and a plurality of second layers alternately stacked. The second semiconductor structure has a second conductivity type opposite to the first conductivity type. The plurality of first layers and the plurality of second layers include indium and phosphorus, and the plurality of first layers and the plurality of second layers respectively have a first indium atomic percentage and a second indium atomic percentage. The second indium atomic percentage is different from the first indium atomic percentage.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 7, 2024
    Inventors: Wei-Jen HSUEH, Shih-Chang LEE, Kuo-Feng HUANG, Wen-Luh LIAO, Jiong-Chaso SU, Yi-Chieh LIN, Hsuan-Le LIN
  • Publication number: 20240077804
    Abstract: A method includes forming a test pattern and a reference pattern in an absorption layer of a photomask structure. The test pattern has a first trench and a second trench, the reference pattern has a third trench and a fourth trench, the test pattern and the reference pattern have substantially the same dimension in a top view, and the second trench is deeper than the first trench, the third trench, and the fourth trench. The method further includes emitting a light beam to the test pattern to obtain a first interference pattern reflected from the test pattern, emitting the light beam to the reference pattern to obtain a second interference pattern reflected from the reference pattern; and comparing the first interference pattern with the second interference pattern to obtain a measured complex refractive index of the absorption layer.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 7, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ping-Hsun LIN, Chien-Cheng CHEN, Shih Ju HUANG, Pei-Cheng HSU, Ta-Cheng LIEN, Hsin-Chang LEE
  • Patent number: 11923366
    Abstract: In an embodiment, a device includes: a first semiconductor fin extending from a substrate; a second semiconductor fin extending from the substrate; a hybrid fin over the substrate, the second semiconductor fin disposed between the first semiconductor fin and the hybrid fin; a first isolation region between the first semiconductor fin and the second semiconductor fin; and a second isolation region between the second semiconductor fin and the hybrid fin, a top surface of the second isolation region disposed further from the substrate than a top surface of the first isolation region.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Po-Kang Ho, Tsai-Yu Huang, Huicheng Chang, Yee-Chia Yeo
  • Patent number: 11923429
    Abstract: A semiconductor device and method for forming the semiconductor device are provided. In some embodiments, a semiconductor substrate comprises a device region. An isolation structure extends laterally in a closed path to demarcate the device region. A first source/drain region and a second source/drain region are in the device region and laterally spaced. A sidewall of the first source/drain region directly contacts the isolation structure at a first isolation structure sidewall, and remaining sidewalls of the first source/drain region are spaced from the isolation structure. A selectively-conductive channel is in the device region, and extends laterally from the first source/drain region to the second source/drain region. A plate comprises a central portion and a first peripheral portion. The central portion overlies the selectively-conductive channel, and the first peripheral portion protrudes from the central portion towards the first isolation structure sidewall.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ming-Ta Lei, Ruey-Hsin Liu, Shih-Fen Huang
  • Patent number: 11920254
    Abstract: The present disclosure relates to an electroplating system including a first contact detection sensor and a second contact detection sensor disposed at a surface of a cone of the electroplating system. The first contact detection sensor detects a first resistance at a first contact between a substrate to be plated by the electroplating system and a first contact pin, the second contact detection sensor detects a second resistance at a second contact between the substrate and a second contact pin. A controller receives the first resistance and the second resistance, and determines the first contact and the second contact are not properly formed when a difference between the first resistance and the second resistance is not within a first predetermined resistance range, or the first resistance or the second resistance is not within a second predetermined resistance range.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Yung Chang Huang
  • Patent number: 11923200
    Abstract: An integrated circuit includes a gate structure over a substrate. The integrated circuit includes a first silicon-containing material structure in a recess. The first silicon-containing material structure includes a first layer below a top surface of the substrate and in direct contact with the substrate. The first silicon-containing material structure includes a second layer over the first layer, wherein an entirety of the second layer is above the top surface of the substrate, a first region of the second layer closer to the gate structure is thinner than a second region of the second layer farther from the gate structure. The first silicon-containing material structure includes a third layer between the first layer and the second layer, wherein at least a portion of the third layer is below the top surface of the substrate.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Hsien Huang, Yi-Fang Pai, Chien-Chang Su
  • Publication number: 20240071818
    Abstract: A semiconductor device and method of fabricating the same include a substrate, a first epitaxial layer, a first protection layer, and a contact etching stop layer. The substrate includes a PMOS transistor region, and the first epitaxial layer is disposed on the substrate, within the PMOS transistor region. The first protection layer is disposed on the first epitaxial layer, covering surfaces of the first epitaxial layer. The contact etching stop layer is disposed on the first protection layer and the substrate, wherein a portion of the first protection layer is exposed from the contact etching stop layer.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 29, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: I-Wei Chi, Te-Chang Hsu, Yao-Jhan Wang, Meng-Yun Wu, Chun-Jen Huang
  • Publication number: 20240069606
    Abstract: A portable electronic device including a first body, a second body, and a hinge mechanism is provided. The second body is connected to the first body through the hinge mechanism, and the hinge mechanism has a basis axis located at the first body and a rotation axis located at a lower end of the second body. When the second body rotates with respect to the first body, the rotation axis slides along an arc shaped path with respect to the basis axis to increase or decrease a distance between the rotation axis and the basis axis and increase or decrease a distance between the lower end of the second body and a back end of the first body.
    Type: Application
    Filed: November 3, 2023
    Publication date: February 29, 2024
    Applicants: Acer Incorporated, Sinher Technology Inc.
    Inventors: Yi-Ta Huang, Cheng-Nan Ling, Chih-Chun Liu, Yung-Chang Chiang
  • Publication number: 20240071523
    Abstract: A memory device and a programming method thereof are provided. The programming method includes the following steps. According to a step value, based on an incremental step pulse programming scheme, multiple programming operations are performed for a selected memory page. In a setting mode, multiple program verify operations are respectively performed corresponding to the programming operations to respectively generate multiple pass bit numbers. In the setting mode, a pass bit number difference value of two pass bit numbers corresponding to two programming operations is calculated. In the setting mode, an amount of the step value is adjusted according to the pass bit number difference value.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Kun-Tse Lee, Han-Sung Chen, Shih-Chang Huang
  • Patent number: 11916487
    Abstract: An asymmetric half-bridge converter is provided. The asymmetric half-bridge converter includes a switch circuit, a resonance tank, a current sensor, and a controller. The current sensor senses a waveform of a resonance current flowing through the resonance tank to generate a sensing result. The controller determines the sensing result. When the sensing result indicates that an ending current value of a primary resonance waveform of the resonance current is greater than a predetermined value, the controller performs a first switching operation on the switch circuit. When the sensing result indicates that the ending current value of the primary resonance waveform is less than or equal to the predetermined value, the controller performs a second switching operation on the switch circuit.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: February 27, 2024
    Assignee: Power Forest Technology Corporation
    Inventors: Chao-Chang Chiu, Kuan-Chun Fang, Yueh-Chang Chen, Tzu-Chi Huang, Che-Hao Meng
  • Publication number: 20240061455
    Abstract: A voltage tracking circuit is provided. The voltage tracking circuit includes first and second P-type transistors and a control circuit. The drain of the first P-type transistor is coupled to a first voltage terminal. The gate and the drain of the second P-type transistor are respectively coupled to the first voltage terminal and a second voltage terminal. The control circuit is coupled to the first and second voltage terminals and generates a control voltage according to the first voltage and the second voltage. The sources of the first and second P-type transistors are coupled to an output terminal of the voltage tracking circuit, and the output voltage is generated at the output terminal. In response to the second voltage being higher than the first voltage, the control circuit generates the control signal to turn off the first P-type transistor.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 22, 2024
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Shao-Chang HUANG, Yeh-Ning JOU, Ching-Ho LI, Kai-Chieh HSU, Chun-Chih CHEN, Chien-Wei WANG, Gong-Kai LIN, Li-Fan CHEN