Patents by Inventor Chih-Chung Wang

Chih-Chung 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: 9972539
    Abstract: A semiconductor device and a method of fabricating the same, the semiconductor device includes a substrate, a first gate and a second gate. The first gate is disposed on the substrate and includes a first gate insulating layer, a polysilicon layer, a silicide layer and a protective layer stacked with each other on the substrate and a first spacer surrounds the first gate insulating layer, the polysilicon layer, the silicide layer and the protective layer. The second gate is disposed on the substrate and includes a second gate insulating layer, a work function metal layer and a conductive layer stacked with each other on the substrate, and a second spacer surrounds the second gate insulating layer, the work function metal layer and the conductive layer.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 15, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shin-Hung Li, Kuan-Chuan Chen, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Publication number: 20180102408
    Abstract: A method of forming a semiconductor device is provided including the following steps. A substrate having a first voltage area and a second voltage area is provided. A first oxide layer is formed in the first voltage area. The first oxide layer is removed to form a recess in the first voltage area. A shallow trench isolation (STI) structure is formed in the substrate, wherein a first portion of the STI structure is located in the first voltage area and a second portion of the STI structure is located in the second voltage area, a top surface of the STI structure is higher than the top surface of the substrate, and a bottom surface of the first portion of the STI structure in the first voltage area is lower than a bottom surface of the second portion of the STI structure in the second voltage area.
    Type: Application
    Filed: October 6, 2016
    Publication date: April 12, 2018
    Applicant: United Microelectronics Corp.
    Inventors: Chang-Po Hsiung, Ping-Hung Chiang, Shih-Chieh Pu, Chia-Lin Wang, Nien-Chung Li, Wen-Fang Lee, Shih-Yin Hsiao, Chih-Chung Wang
  • Publication number: 20180097104
    Abstract: A high-voltage MOS transistor includes a semiconductor substrate, a gate oxide layer on the semiconductor substrate, a gate on the gate oxide layer, a spacer covering a sidewall of the gate, a source on one side of the gate, and a drain on the other side of the gate. The gate includes at least a first discrete segment and a second discrete segment. The first discrete segment is not in direct contact with the second discrete segment. The spacer fills into a gap between the first discrete segment and the second discrete segment.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Inventors: Shih-Yin Hsiao, Kuan-Liang Liu, Ching-Chung Yang, Kai-Kuen Chang, Ping-Hung Chiang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Patent number: 9859417
    Abstract: A high-voltage MOS transistor includes a semiconductor substrate, a gate oxide layer on the semiconductor substrate, a gate on the gate oxide layer, a spacer covering a sidewall of the gate, a source on one side of the gate, and a drain on the other side of the gate. The gate includes at least a first discrete segment and a second discrete segment. The first discrete segment is not in direct contact with the second discrete segment. The spacer fills into a gap between the first discrete segment and the second discrete segment.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: January 2, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shih-Yin Hsiao, Kuan-Liang Liu, Ching-Chung Yang, Kai-Kuen Chang, Ping-Hung Chiang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Patent number: 9852952
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a logic region and high-voltage (HV) region; forming a first gate structure on the logic region and a second gate structure on the HV region; forming an interlayer dielectric (ILD) layer around the first gate structure and the second gate structure; forming a patterned hard mask on the HV region; and transforming the first gate structure into a metal gate.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: December 26, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Chung Wang, Shih-Yin Hsiao, Wen-Fang Lee, Nien-Chung Li, Shu-Wen Lin
  • Publication number: 20170345926
    Abstract: A high-voltage MOS transistor includes a semiconductor substrate, a gate oxide layer on the semiconductor substrate, a gate on the gate oxide layer, a spacer covering a sidewall of the gate, a source on one side of the gate, and a drain on the other side of the gate. The gate includes at least a first discrete segment and a second discrete segment. The first discrete segment is not in direct contact with the second discrete segment. The spacer fills into a gap between the first discrete segment and the second discrete segment.
    Type: Application
    Filed: June 24, 2016
    Publication date: November 30, 2017
    Inventors: Shih-Yin Hsiao, Kuan-Liang Liu, Ching-Chung Yang, Kai-Kuen Chang, Ping-Hung Chiang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Patent number: 9824071
    Abstract: Architecture that facilitates language conversion and previewing of a message attachment in multiple different languages. The architecture can be employed in a messaging application or a personal information manager program, for example, such that the message attachment can be selected and designated for conversion into a different language, and then previewed in the different language. For example, a first language can be simplified Chinese and a second language can be traditional Chinese, such that the user can toggle the preview to view the attachment in the simplified or traditional Chinese languages. The attachment can be a word processing document, a spreadsheet document, a presentation document for the presentation of information, and/or a web feed document. Additionally, the attachment can be one of multiple attachments to the message that is selected by the user.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: November 21, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Chih-Chung Wang, Sheng-Yao Shih, Yu-Li Huang, Hsiang-Fu Liu
  • Publication number: 20170330948
    Abstract: A method of forming a gate layout includes providing a gate layout design diagram comprising at least one gate pattern, disposing at least one insulating plug pattern in the gate pattern for producing a modified gate layout in a case where any one of a length and a width of the gate pattern is greater than or equal to a predetermined size, and outputting and manufacturing the modified gate layout onto a photomask. The predetermined size is determined by a process ability limit, and the process ability limit is a smallest gate size causing gate dishing when a chemical mechanical polishing process is performed to a gate.
    Type: Application
    Filed: August 4, 2017
    Publication date: November 16, 2017
    Inventors: Shih-Yin Hsiao, Ching-Chung Yang, Wen-Fang Lee, Nien-Chung Li, Chih-Chung Wang
  • Publication number: 20170330947
    Abstract: A metal-oxide semiconductor transistor includes a substrate, a gate insulating layer disposed on a surface of the substrate, and a metal gate disposed on the gate insulating layer, wherein at least one of the length or the width of the metal gate is greater than or equal to approximately 320 nanometers, and the metal gate has at least one plug hole. The metal-oxide semiconductor transistor further includes at least one insulating plug disposed in the plug hole and two diffusion regions disposed respectively at two sides of the metal gate in the substrate.
    Type: Application
    Filed: August 3, 2017
    Publication date: November 16, 2017
    Inventors: Shih-Yin Hsiao, Ching-Chung Yang, Wen-Fang Lee, Nien-Chung Li, Chih-Chung Wang
  • Patent number: 9761657
    Abstract: A metal-oxide-semiconductor transistor includes a substrate, a gate insulating layer disposed on the surface of the substrate layer, a metal gate disposed on the gate insulating layer and having at least one plug hole, at least one dielectric plug disposed in the plug hole, and two diffusion regions disposed at two sides of the metal gate in the substrate. The metal gate is configured to operate under an operation voltage greater than 5 v.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: September 12, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shih-Yin Hsiao, Ching-Chung Yang, Wen-Fang Lee, Nien-Chung Li, Chih-Chung Wang
  • Patent number: 9741850
    Abstract: A semiconductor device having a substrate, a gate electrode, a source and a drain, and a buried gate dielectric layer is disclosed. The buried gate dielectric layer is disposed below said gate electrode and protrudes therefrom to said drain, thereby separating said gate electrode and said drain by a substantial distance to reduce gate induced drain leakage.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: August 22, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shih-Yin Hsiao, Ching-Chung Yang, Ping-Hung Chiang, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang, Kuan-Liang Liu, Kai-Kuen Chang
  • Patent number: 9724257
    Abstract: An anti-bedsore bed may comprise a bed unit, a first bed body, and a second bed body. The bed unit has a first mattress, and a bottom portion is coupled on a bottom surface thereof. Moreover, the bottom portion comprises six supporting units evenly arranged into three sets at positions corresponding to a user's upper, middle and lower back, and each of the supporting units has a sliding block moveably mounted on an upper surface of the bottom portion. Furthermore, each of the sliding blocks has a supporting rod, and an abutting unit is pivotally connected to an upper end of the supporting rod. The supporting rods are configured to move upwardly in a preset time interval, and the abutting units are adapted to uplift a user's body to detach from the first mattress for a designed time, thereby achieving the anti-bedsore effect.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: August 8, 2017
    Assignees: TERA AUTOTECH CORPORATION
    Inventors: Li-Ling Chen, Tsair-Rong Chen, Yi-Lung Lee, Yu-Lin Juan, Chih-Chung Wang
  • Patent number: 9716139
    Abstract: A method for forming a high voltage transistor is provided. First, a substrate having a top surface is provided, following by forming a thermal oxide layer on the substrate. At least a part of the thermal oxidation layer is removed to form a recess in the substrate, wherein a bottom surface of the recess is lower than the top surface of the substrate. A gate oxide layer is formed in the recess, then a gate structure is formed on the gate oxide layer. The method further includes forming a source/drain region in the substrate.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: July 25, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Kuan-Chuan Chen, Chih-Chung Wang, Wen-Fang Lee, Nien-Chung Li, Shih-Yin Hsiao
  • Publication number: 20170207127
    Abstract: A semiconductor device and a method of fabricating the same, the semiconductor device includes a substrate, a first gate and a second gate. The first gate is disposed on the substrate and includes a first gate insulating layer, a polysilicon layer, a silicide layer and a protective layer stacked with each other on the substrate and a first spacer surrounds the first gate insulating layer, the polysilicon layer, the silicide layer and the protective layer. The second gate is disposed on the substrate and includes a second gate insulating layer, a work function metal layer and a conductive layer stacked with each other on the substrate, and a second spacer surrounds the second gate insulating layer, the work function metal layer and the conductive layer.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventors: Shin-Hung Li, Kuan-Chuan Chen, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Publication number: 20170162721
    Abstract: A diode structure includes a rectangular first doping region, and a second doping region surrounds the first doping region wherein the first doping region and the second doping region are separated by a first isolation structure. A third doping region surrounds the second doping region wherein the second doping region and the third doping region are separated by a second isolation structure. The first isolation structure, the second doping region, the second isolation structure and the third doping region are arranged in a quadruple concentric rectangular ring surrounding the first doping region.
    Type: Application
    Filed: January 7, 2016
    Publication date: June 8, 2017
    Inventors: Ke-Feng Lin, Hsuan-Po Liao, Ming-Shun Hsu, Chih-Chung Wang, Chiu-Te Lee, Shih-Teng Huang
  • Patent number: 9653460
    Abstract: A semiconductor device and a method of fabricating the same, the semiconductor device includes a substrate, a first gate and a second gate. The first gate is disposed on the substrate and includes a first gate insulating layer, a polysilicon layer, a silicide layer and a protective layer stacked with each other on the substrate and a first spacer surrounds the first gate insulating layer, the polysilicon layer, the silicide layer and the protective layer. The second gate is disposed on the substrate and includes a second gate insulating layer, a work function metal layer and a conductive layer stacked with each other on the substrate, and a second spacer surrounds the second gate insulating layer, the work function metal layer and the conductive layer.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: May 16, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shin-Hung Li, Kuan-Chuan Chen, Nien-Chung Li, Wen-Fang Lee, Chih-Chung Wang
  • Publication number: 20170125297
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a logic region and high-voltage (HV) region; forming a first gate structure on the logic region and a second gate structure on the HV region; forming an interlayer dielectric (ILD) layer around the first gate structure and the second gate structure; forming a patterned hard mask on the HV region; and transforming the first gate structure into a metal gate.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 4, 2017
    Inventors: Chih-Chung Wang, Shih-Yin Hsiao, Wen-Fang Lee, Nien-Chung Li, Shu-Wen Lin
  • Publication number: 20170110536
    Abstract: A metal-oxide-semiconductor transistor includes a substrate, a gate insulating layer disposed on the surface of the substrate layer, a metal gate disposed on the gate insulating layer and having at least one plug hole, at least one dielectric plug disposed in the plug hole, and two diffusion regions disposed at two sides of the metal gate in the substrate. The metal gate is configured to operate under an operation voltage greater than 5 v.
    Type: Application
    Filed: November 25, 2015
    Publication date: April 20, 2017
    Inventors: Shih-Yin Hsiao, Ching-Chung Yang, Wen-Fang Lee, Nien-Chung Li, Chih-Chung Wang
  • Patent number: 9628686
    Abstract: An image surveillance device includes a casing, a heat dissipating cover, a partition, a lens module, and a light emitting module. The heat dissipating cover covers the casing and has a heat conduction sheet extending inward into the casing. The partition is disposed in the casing to divide an inner space of the casing into an upper space and a lower space. The lens module is disposed in the lower space for capturing images. The light emitting module is disposed on the heat conduction sheet and located in the upper space for emitting light out of the casing when the lens module captures the images. Heat generated by the light emitting module is conducted to the heat dissipating cover via the heat conduction sheet.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: April 18, 2017
    Assignee: VIVOTEK INC.
    Inventors: Li-Shan Shih, Chih-Chung Wang, Yi-Chuan Chen, Wen-Yuan Li
  • Patent number: D801405
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: October 31, 2017
    Assignee: VIVOTEK INC.
    Inventors: Li-Shan Shih, Chih-Chung Wang, Yi-Hsin Yeh