Patents by Inventor Chang Chih-Kang

Chang Chih-Kang 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).

  • Wafer carrying system
    Patent number: 6905026
    Abstract: The purpose of the present invention is to provide a wafer carrying system with a manual-opened cover. The wafer carrying system of the present invention includes a wafer cassette having an opening, a cover disposed on the wafer cassette for covering the opening of the wafer cassette, an opener disposed on the cover for opening the cover, a base for mounting the opener thereon, a separating device connected with the base and the opener, thereby the cover being movable from a shut position to a separated position, a first pivoting device connected to the separating device for pivoting the cover to a first specific position, and a second pivoting device connected to the first pivoting device for pivoting the cover to a second specific position.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: June 14, 2005
    Inventor: Chang Chih-Kang
  • Wafer carrying system
    Publication number: 20040074807
    Abstract: The purpose of the present invention is to provide a wafer carrying system with a manual-opened cover. The wafer carrying system of the present invention includes a wafer cassette having an opening, a cover disposed on the wafer cassette for covering the opening of the wafer cassette, an opener disposed on the cover for opening the cover, a base for mounting the opener thereon, a separating device connected with the base and the opener, thereby the cover being movable from a shut position to a separated position, a first pivoting device connected to the separating device for pivoting the cover to a first specific position, and a second pivoting device connected to the first pivoting device for pivoting the cover to a second specific position.
    Type: Application
    Filed: December 13, 2002
    Publication date: April 22, 2004
    Inventor: Chang Chih-Kang