Patents by Inventor Yingjie Geng

Yingjie Geng 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).

  • LASER ADJUSTABLE DEPTH MARK SYSTEM AND METHOD
    Publication number: 20090179015
    Abstract: A system and method for adjustable laser mark depth is provided. In one embodiment, the system is used in Nd—YAG laser marker for wafer processing in the semiconductor industry, with smart control of the mark depth and expanded work range between the deep mark and the light mark.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicants: AXT, INC., GSI Technology, Inc.
    Inventors: Xiaodong Zhao, Yingjie Geng