Patents by Inventor Shing-I Chen

Shing-I Chen 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: 20090075567
    Abstract: A polishing pad conditioner is provided. The polishing pad includes a substrate, at least one surface-conditioning unit, and at least one groove-cleaning unit. The surface-conditioning unit and the groove-cleaning unit are both disposed on a surface of the substrate. In addition, the surface-conditioning unit is integrally formed with the groove-cleaning unit form.
    Type: Application
    Filed: January 30, 2008
    Publication date: March 19, 2009
    Applicant: POWERCHIP SEMICONDUCTOR CORP.
    Inventors: Ta-Jen Wang, Shing-I Chen, Ching-Chi Liu, Shuang-Hsun Chang