Patents by Inventor Mao-Sheng LIU

Mao-Sheng LIU 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: 11573265
    Abstract: Herein disclosed are a method and a test probe for testing an electrical component. The electrical component comprises at least a first electrode and a second electrode. The method comprises the following steps: covering the first electrode with a first conducting flexible layer; driving a first electrode contact to electrically connect a first end of the first electrode contact with the first electrode via the first conducting flexible layer; covering the second electrode with a second conducting flexible layer; and driving a second electrode contact to electrically connect a second end of the second electrode contact with the second electrode via the second conducting flexible layer. The first conducting flexible layer is an anisotropic conductive film.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: February 7, 2023
    Assignee: CHROMA ATE INC.
    Inventors: Min-Hung Chang, Ching-Lin Lee, Chin-Yuan Chang, Cheng-Hung Pan, Mao-Sheng Liu, Tzu-Tu Chao
  • Publication number: 20200284834
    Abstract: Herein disclosed are a method and a test probe for testing an electrical component. The electrical component comprises at least a first electrode and a second electrode. The method comprises the following steps: covering the first electrode with a first conducting flexible layer; driving a first electrode contact to electrically connect a first end of the first electrode contact with the first electrode via the first conducting flexible layer; covering the second electrode with a second conducting flexible layer; and driving a second electrode contact to electrically connect a second end of the second electrode contact with the second electrode via the second conducting flexible layer. The first conducting flexible layer is an anisotropic conductive film.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 10, 2020
    Inventors: Min-Hung CHANG, Ching-Lin LEE, Chin-Yuan CHANG, Cheng-Hung PAN, Mao-Sheng LIU, Tzu-Tu CHAO
  • Patent number: 10670627
    Abstract: An electrical probe structure includes a conductive cylinder, a first electrical connecting port and a probe assembly. The conductive cylinder for being fixed to the base plate has thereinside a sliding tunnel. The first electrical connecting port is electrically connected to the conductive cylinder. The at least one flexible conductive tube is furnished inside the sliding tunnel. The at least one probe assembly includes a first needle cylinder and a first probe. The first needle cylinder, slidably penetrating the conductive cylinder, electrically contacts the at least one flexible conductive tube so as to have the first needle cylinder to electrically connect the first electrical connecting port via the at least one flexible conductive tube and the conductive cylinder. The first probe is mounted and electrically connected to the first needle cylinder.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: June 2, 2020
    Assignee: CHROMA ATE INC.
    Inventors: Mao-Sheng Liu, Peng-Fei Chen
  • Publication number: 20190187176
    Abstract: An electrical probe structure includes a conductive cylinder, a first electrical connecting port and a probe assembly. The conductive cylinder for being fixed to the base plate has thereinside a sliding tunnel. The first electrical connecting port is electrically connected to the conductive cylinder. The at least one flexible conductive tube is furnished inside the sliding tunnel. The at least one probe assembly includes a first needle cylinder and a first probe. The first needle cylinder, slidably penetrating the conductive cylinder, electrically contacts the at least one flexible conductive tube so as to have the first needle cylinder to electrically connect the first electrical connecting port via the at least one flexible conductive tube and the conductive cylinder. The first probe is mounted and electrically connected to the first needle cylinder.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 20, 2019
    Inventors: Mao-Sheng LIU, Peng-Fei CHEN
  • Patent number: 10254310
    Abstract: An electrical probe includes a main body, a probe head and a plurality of pins. The probe head is disposed on the main body, and the probe head has a surface and a plurality of openings on the surface. Each pin includes a contacting portion and an inserting portion connected to each other. Each pin has an obtuse angle between the contacting portion and the inserting portion, and the inserting portions of the pins respectively inserted into the openings.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: April 9, 2019
    Assignee: CHROMA ATE INC.
    Inventors: Mao-Sheng Liu, Hsiu-Wei Kuo
  • Patent number: 10215812
    Abstract: A clamp-type probe device comprises a first pressed member, a second pressed member and a probe head. The first pressed member comprises a first clamping portion and a first mounted portion connected to each other, and has a first and a second assembly holes. The second pressed member comprises a second clamping portion and a second mounted portion connected to each other. The second and the first mounted portions are connected to each other. The second and the first clamping portions are separated from each other. The probe head comprises a plurality of contacting members. Each contacting member comprises two bending portions. Two ends of each contacting member are respectively disposed through the first and the second assembly holes. The two bending portions are respectively pressed against an inner side surface of the first assembly hole and an inner side surface of the second assembly hole.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: February 26, 2019
    Assignee: CHROMA ATE INC.
    Inventors: Peng-Fei Chen, Mao-Sheng Liu
  • Publication number: 20180011146
    Abstract: A clamp-type probe device comprises a first pressed member, a second pressed member and a probe head. The first pressed member comprises a first clamping portion and a first mounted portion connected to each other, and has a first and a second assembly holes. The second pressed member comprises a second clamping portion and a second mounted portion connected to each other. The second and the first mounted portions are connected to each other. The second and the first clamping portions are separated from each other. The probe head comprises a plurality of contacting members. Each contacting member comprises two bending portions. Two ends of each contacting member are respectively disposed through the first and the second assembly holes. The two bending portions are respectively pressed against an inner side surface of the first assembly hole and an inner side surface of the second assembly hole.
    Type: Application
    Filed: May 24, 2017
    Publication date: January 11, 2018
    Applicant: CHROMA ATE INC.
    Inventors: Peng-Fei CHEN, Mao-Sheng LIU
  • Publication number: 20170322235
    Abstract: An electrical probe includes a main body, a probe head and a plurality of pins. The probe head is disposed on the main body, and the probe head has a surface and a plurality of openings on the surface. Each pin includes a contacting portion and an inserting portion connected to each other. Each pin has an obtuse angle between the contacting portion and the inserting portion, and the inserting portions of the pins respectively inserted into the openings.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 9, 2017
    Applicant: CHROMA ATE INC.
    Inventors: Mao-Sheng LIU, Hsiu-Wei KUO
  • Publication number: 20170045552
    Abstract: A probe includes a first electrical conductor, a second electrical conductor and a voltage measurer. The first electrical conductor has a first through hole, and the first through hole extends through two ends of the first electrical conductor. The second electrical conductor is detachably disposed on the first electrical conductor, and the second electrical conductor has a working surface and a second through hole. The working surface is located at an end of the second electrical conductor away from the first electrical conductor. Two ends of the second through hole that are opposite to each other are located at the working surface and an end of the first through hole, respectively. The first through hole is communicated with the second through hole. The voltage measurer is penetrating through the first through hole and the second through hole.
    Type: Application
    Filed: June 28, 2016
    Publication date: February 16, 2017
    Applicant: CHROMA ATE INC.
    Inventors: Mao-Sheng LIU, Hsiu-Wei KUO, Chao-Hsu CHEN
  • Patent number: 9568245
    Abstract: The disclosure discloses a heating furnace including a housing, a first rack, a chamber, and at least one fan. The first rack is disposed in the housing. The chamber is disposed in the housing and located at a side of the first rack. The chamber includes an inlet, a first sidewall, and a second sidewall. The first sidewall is adjacent to the first rack. The first sidewall has a plurality of vents. The first sidewall and the second sidewall are disposed to face each other. A width is spaced between the first sidewall and the second sidewall, and the width is larger than or equal to 200 mm. The fan is disposed in the housing for generating an airflow to the inlet.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: February 14, 2017
    Assignee: CHROMA ATE INC.
    Inventors: Hsiu-Wei Kuo, Xin-Yi Wu, Ben-Mou Yu, Ming-Chang Wu, Mao-Sheng Liu, Kuei-Wen Lien
  • Publication number: 20150323257
    Abstract: The disclosure discloses a heating furnace including a housing, a first rack, a chamber, and at least one fan. The first rack is disposed in the housing. The chamber is disposed in the housing and located at a side of the first rack. The chamber includes an inlet, a first sidewall, and a second sidewall. The first sidewall is adjacent to the first rack. The first sidewall has a plurality of vents. The first sidewall and the second sidewall are disposed to face each other. A width is spaced between the first sidewall and the second sidewall, and the width is larger than or equal to 200 mm. The fan is disposed in the housing for generating an airflow to the inlet.
    Type: Application
    Filed: April 8, 2015
    Publication date: November 12, 2015
    Inventors: Hsiu-Wei KUO, Xin-Yi WU, Ben-Mou YU, Ming-Chang WU, Mao-Sheng LIU, Kuei-Wen LIEN
  • Publication number: 20130009660
    Abstract: An electrical connecting device is provided. The electrical connecting device comprises at least one jig for electrically connecting and clamping at least one electrode of at least one electrical component. The jig comprises a first clamping portion, a second clamping portion and a first detecting elastic sheet. The second clamping portion is disposed opposite to the first clamping portion. The electrode is adapted to be electrically connected to and clamped between the first clamping portion and the second clamping portion. The first detecting elastic sheet is fixed with the first clamping portion. The first detecting elastic sheet is connected to a first sensor and formed with a first contact portion. The first sensor is used for sensing a first parameter of the electrical component and the first contact portion is used for contacting the electrode.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 10, 2013
    Applicant: CHROMA ATE INC.
    Inventors: Chiang-Cheng FAN, Mao-Sheng LIU, Li-Shou CHEN, Hsi-Ping TSAI, Han-Jen TSENG