Patents by Inventor Chao Sheng Yu

Chao Sheng Yu 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).

  • System and method for inspection of chips on tray
    Patent number: 7878336
    Abstract: A system for inspection of chips on a tray comprises an unloading arm device, a first support platform, and a plurality of first tray-handling apparatuses. The first support platform is disposed adjacent to the unloading arm device, movable along a first direction. The plurality of first tray-handling apparatuses are arrayed along the first direction on the first support platform. Each of the plurality of first tray-handling apparatuses provides a particular size of tray for inspection, different from the size of tray provided by other first tray-handling apparatuses, wherein the first platform is configured to move a desired one of the plurality of first tray handling apparatuses before the unloading arm device.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: February 1, 2011
    Assignee: Cheng Mei Instrument Technology Co., Ltd.
    Inventors: Cheng Tao Tsai, Chao Sheng Yu
  • SYSTEM AND METHOD FOR INSPECTION OF CHIPS ON TRAY
    Publication number: 20100063619
    Abstract: A system for inspection of chips on a tray comprises an unloading arm device, a first support platform, and a plurality of first tray-handling apparatuses. The first support platform is disposed adjacent to the unloading arm device, movable along a first direction. The plurality of first tray-handling apparatuses are arrayed along the first direction on the first support platform. Each of the plurality of first tray-handling apparatuses provides a particular size of tray for inspection, different from the size of tray provided by other first tray-handling apparatuses, wherein the first platform is configured to move a desired one of the plurality of first tray handling apparatuses before the unloading arm device.
    Type: Application
    Filed: September 8, 2009
    Publication date: March 11, 2010
    Applicant: CHENG MEI INSTRUMENT TECHNOLOGY CO., LTD.
    Inventors: CHENG TAO TSAI, CHAO SHENG YU