Patents by Inventor Che-Hung Huang

Che-Hung 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: 20210111267
    Abstract: A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a first barrier layer on the buffer layer; forming a first hard mask on the first barrier layer; removing the first hard mask and the first barrier layer to form a recess; forming a second barrier layer in the recess; and forming a p-type semiconductor layer on the second barrier layer.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 15, 2021
    Inventors: Chun-Ming Chang, Che-Hung Huang, Wen-Jung Liao, Chun-Liang Hou
  • Publication number: 20210098601
    Abstract: According to an embodiment of the present invention, a method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a first barrier layer on the buffer layer; forming a second barrier layer on the first barrier layer; forming a first hard mask on the second barrier layer; removing the first hard mask and the second barrier layer to form a recess; and forming a p-type semiconductor layer in the recess.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 1, 2021
    Inventors: Chun-Ming Chang, Che-Hung Huang, Wen-Jung Liao, Chun-Liang Hou, Chih-Tung Yeh
  • Patent number: 10910386
    Abstract: According to an embodiment of the present invention, a method for fabricating semiconductor device includes the steps of: forming a semiconductor layer on a substrate; removing part of the semiconductor layer and part of the substrate to form a trench; forming a liner in the trench; removing part of the liner to form a spacer adjacent to two sides of the trench; and forming a bit line structure in the trench.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: February 2, 2021
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Wei-Lun Hsu, Hung-Lin Shih, Che-Hung Huang, Ping-Cheng Hsu, Hsu-Yang Wang
  • Publication number: 20190279989
    Abstract: According to an embodiment of the present invention, a method for fabricating semiconductor device includes the steps of: forming a semiconductor layer on a substrate; removing part of the semiconductor layer and part of the substrate to form a trench; forming a liner in the trench; removing part of the liner to form a spacer adjacent to two sides of the trench; and forming a bit line structure in the trench.
    Type: Application
    Filed: April 3, 2018
    Publication date: September 12, 2019
    Inventors: Wei-Lun Hsu, Hung-Lin Shih, Che-Hung Huang, Ping-Cheng Hsu, Hsu-Yang Wang
  • Publication number: 20180269107
    Abstract: A method of forming a semiconductor device includes following steps. First of all, plural mandrel patterns are formed on a target layer. Then, plural capping layers are formed to cover a top region and sidewalls of each of the mandrel patterns, respectively. Next, plural spacers are formed at two sides of each of the capping layers, respectively. Following these, a portion of the spacers and the capping layers covered on the top regions of the mandrel patterns are simultaneously removed, and the capping layers is then removed completely.
    Type: Application
    Filed: March 14, 2017
    Publication date: September 20, 2018
    Inventors: Yat-Kai Sun, Chao-Nan Chen, Hung-Lin Shih, Che-Hung Huang, Wei-Lun Hsu, Cheng-Chia Liu
  • Patent number: 10079180
    Abstract: A method of forming a semiconductor device includes following steps. First of all, plural mandrel patterns are formed on a target layer. Then, plural capping layers are formed to cover a top region and sidewalls of each of the mandrel patterns, respectively. Next, plural spacers are formed at two sides of each of the capping layers, respectively. Following these, a portion of the spacers and the capping layers covered on the top regions of the mandrel patterns are simultaneously removed, and the capping layers is then removed completely.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: September 18, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yat-Kai Sun, Chao-Nan Chen, Hung-Lin Shih, Che-Hung Huang, Wei-Lun Hsu, Cheng-Chia Liu
  • Publication number: 20160172190
    Abstract: A gate oxide formation process includes the following steps. A first gate oxide layer is formed on a substrate. The first gate oxide layer is thinned to a first predetermined thickness. The first gate oxide layer is then thickened to a second predetermined thickness, to thereby form a second gate oxide layer.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 16, 2016
    Inventors: Hung-Lin Shih, Chueh-Yang Liu, Shao-Wei Wang, Che-Hung Huang, Po-Hua Jen, Shih-Hao Su
  • Publication number: 20160062397
    Abstract: A method of fabricating housing includes steps of: providing a sheet; providing a mold including a first core and a second core, in which the first core substantially extends along a plane, and the second core is adjacent to the first core; pressing the sheet to the mold to make the sheet attach to the second core, in which the second core is fixed to the sheet; and moving the sheet away from the first core along a vertical direction perpendicular to the plane to separate the second core and the first core so as to make the second core become an internal member, in which a housing is formed of the sheet and the internal member.
    Type: Application
    Filed: November 6, 2015
    Publication date: March 3, 2016
    Inventors: Che-Hung HUANG, Chin-Chung SHIH
  • Patent number: 9220171
    Abstract: A method of fabricating housing includes steps of: providing a sheet; providing a mold including a first core and a second core, in which the first core substantially extends along a plane, and the second core is adjacent to the first core; pressing the sheet to the mold to make the sheet attach to the second core, in which the second core is fixed to the sheet; and moving the sheet away from the first core along a vertical direction perpendicular to the plane to separate the second core and the first core so as to make the second core become an internal member, in which a housing is formed of the sheet and the internal member.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: December 22, 2015
    Assignee: HTC Corporation
    Inventors: Che-Hung Huang, Chin-Chung Shih
  • Publication number: 20150201506
    Abstract: A method of fabricating housing includes steps of: providing a sheet; providing a mold including a first core and a second core, in which the first core substantially extends along a plane, and the second core is adjacent to the first core; pressing the sheet to the mold to make the sheet attach to the second core, in which the second core is fixed to the sheet; and moving the sheet away from the first core along a vertical direction perpendicular to the plane to separate the second core and the first core so as to make the second core become an internal member, in which a housing is formed of the sheet and the internal member.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 16, 2015
    Applicant: HTC Corporation
    Inventors: Che-Hung HUANG, Chin-Chung SHIH
  • Patent number: 8840334
    Abstract: A tiltable linkage mechanism including a first plate, a second plate, a swinging plate, a first hinge, a second hinge and a third hinge is provided. The first plate includes an upper surface, the second plate includes a bottom surface facing the upper surface of the first plate and a position limiting structure disposed on the bottom surface. The position limiting structure further has two opposite clamping surfaces. The first plate and the second plate pivotally connect with each other through the first hinge. The swinging plate and the first plate pivotally connect with each other through the second hinge. The swinging plate and the second plate pivotally connect with each other through the third hinge which is disposed in the position limiting structure. The third hinge has an end portion that can slide between the two clamping surfaces.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: September 23, 2014
    Assignee: HTC Corporation
    Inventors: Che-Hung Huang, Ta-Wei Liu
  • Patent number: 8825122
    Abstract: A hand-held device includes a first body, a second body, a sliding module, and a guiding module. The sliding module is disposed between the first body and the second body, so that the second body is able to be slid on a two-dimensional plane relative to the first body. The guiding module includes a first guiding part and a second guiding part. The first guiding part is fixed to the first body. The second guiding part is fixed to the second body and coupled to the first guiding part. Besides, the second guiding part is able to be moved along a guiding path relative to the first guiding part, so that the second body is able to be slid along the guiding path on the two-dimensional plane relative to the first body.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: September 2, 2014
    Assignee: HTC Corporation
    Inventors: Che-Hung Huang, Kuo-Ching Huang, Chih-Ling Chien
  • Patent number: 8670229
    Abstract: A handheld electronic device includes a first body, a second body stacked with the first body, a first plate between the first and second body and fixed to the first body, a second plate between the first plate and second body and fixed to the second body, a first locating structure, and a second locating structure. The first plate includes a sliding slot and a rib transversely disposed in the sliding slot and extended along the sliding slot. An edge of the second plate includes a sliding block clamped on the rib, so the second plate can move along the sliding slot. The first locating structure is disposed on the first plate and located on a moving path of the second plate. The second locating member is disposed on the sliding block, and adapted to interfere with the first locating structure on a locking position of the moving path.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 11, 2014
    Assignee: HTC Corporation
    Inventors: Hsin-Chih Liu, Ta-Wei Liu, Che-Hung Huang
  • Publication number: 20130070396
    Abstract: A hand-held device includes a first body, a second body, a sliding module, and a guiding module. The sliding module is disposed between the first body and the second body, so that the second body is able to be slid on a two-dimensional plane relative to the first body. The guiding module includes a first guiding part and a second guiding part. The first guiding part is fixed to the first body. The second guiding part is fixed to the second body and coupled to the first guiding part. Besides, the second guiding part is able to be moved along a guiding path relative to the first guiding part, so that the second body is able to be slid along the guiding path on the two-dimensional plane relative to the first body.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: HTC CORPORATION
    Inventors: Che-Hung Huang, Kuo-Ching Huang, Chih-Ling Chien
  • Publication number: 20120195677
    Abstract: A tiltable linkage mechanism including a first plate, a second plate, a swinging plate, a first hinge, a second hinge and a third hinge is provided. The first plate includes an upper surface, the second plate includes a bottom surface facing the upper surface of the first plate and a position limiting structure disposed on the bottom surface. The position limiting structure further has two opposite clamping surfaces. The first plate and the second plate pivotally connect with each other through the first hinge. The swinging plate and the first plate pivotally connect with each other through the second hinge. The swinging plate and the second plate pivotally connect with each other through the third hinge which is disposed in the position limiting structure. The third hinge has an end portion that can slide between the two clamping surfaces.
    Type: Application
    Filed: July 18, 2011
    Publication date: August 2, 2012
    Applicant: HTC CORPORATION
    Inventors: Che-Hung HUANG, Ta-Wei LIU
  • Publication number: 20120106045
    Abstract: A handheld electronic device includes a first body, a second body stacked with the first body, a first plate between the first and second body and fixed to the first body, a second plate between the first plate and second body and fixed to the second body, a first locating structure, and a second locating structure. The first plate includes a sliding slot and a rib transversely disposed in the sliding slot and extended along the sliding slot. An edge of the second plate includes a sliding block clamped on the rib, so the second plate can move along the sliding slot. The first locating structure is disposed on the first plate and located on a moving path of the second plate. The second locating member is disposed on the sliding block, and adapted to interfere with the first locating structure on a locking position of the moving path.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 3, 2012
    Applicant: HTC CORPORATION
    Inventors: Hsin-Chih Liu, Ta-Wei Liu, Che-Hung Huang
  • Patent number: 8050040
    Abstract: A flexible printed circuit (FPC) board includes a flexible substrate, an electric terminal portion, and a reinforcing structure. The electric terminal portion is disposed on a bottom surface of the flexible substrate and is suitable to be inserted into an electrical connector to electrically connect therewith. The reinforcing structure is disposed on a top surface of the flexible substrate and located just above the electric terminal portion. The reinforcing portion includes a stiffener plate bonded to the top surface of the flexible substrate and a pad bonded to a top surface of the stiffener plate. The pad is shorter than the stiffener plate.
    Type: Grant
    Filed: March 9, 2005
    Date of Patent: November 1, 2011
    Assignee: HTC Corporation
    Inventors: Che-Hung Huang, Cheng-Fu Chang
  • Publication number: 20080053713
    Abstract: An electronic device comprises a housing, a touch pad disposed on a first surface of the housing, the touch pad being capable of outputting a signal when touched, a processor disposed on a second surface, the processor being capable of processing the signal, wherein the second surface and the first surface are non-coplanar. The electronic device further comprises a flexible printed circuit formed integrally with the touch pad and the processor and the flexible printed circuit is capable of electrically connecting the touch pad on the first surface to the processor on the second surface.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 6, 2008
    Applicant: High Tech Computer Corp. (A legal entity of Taiwan)
    Inventors: Hsing-Chiang HUANG, Che-Hung HUANG, Hsiu-Chin LIU, Hsun-Wen CHENG, Chin-Wei HO, Yao-Tsung CHANG
  • Publication number: 20060232571
    Abstract: A retaining mechanism for a stylus. A hollow receiving passage is surrounded by a passage wall. A holding member is connected to the passage wall and includes an abutting portion. The abutting portion protrudes from the passage wall and is disposed in the hollow receiving passage. A wear-resistant portion is disposed on the abutting portion and in the hollow receiving passage. The wear-resistant portion is parallel to the passage wall. The maximum vertical distance between the wear-resistant portion and the passage wall is less than a caliber of the stylus. The stylus is tightly abutted between the wear-resistant portion and the passage wall when received in the hollow receiving passage.
    Type: Application
    Filed: August 17, 2005
    Publication date: October 19, 2006
    Inventor: Che-Hung Huang
  • Publication number: 20060148312
    Abstract: A flexible printed circuit (FPC) board includes a flexible substrate, an electric terminal portion, and a reinforcing structure. The electric terminal portion is disposed on a bottom surface of the flexible substrate and is suitable to be inserted into an electrical connector to electrically connect therewith. The reinforcing structure is disposed on a top surface of the flexible substrate and located just above the electric terminal portion. The reinforcing portion includes a stiffener plate bonded to the top surface of the flexible substrate and a pad bonded to a top surface of the stiffener plate. The pad is shorter than the stiffener plate.
    Type: Application
    Filed: March 9, 2005
    Publication date: July 6, 2006
    Inventors: Che-Hung Huang, Cheng-Fu Chang