Patents by Inventor Kuei-Sen Cheng

Kuei-Sen Cheng 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).

  • METHOD FOR PRODUCING POROUS COPPER FOIL
    Publication number: 20120111733
    Abstract: The present invention provides a method for producing a porous copper foil. The method of the present invention includes the steps of forming an oxide film by providing a chromium-containing compound to a metal surface of a cathode; forming a copper foil on the oxide film by performing electrolysis of copper; and removing the copper foil from the metal surface of the cathode. The method of the present invention is simple and time-saving, and the porous copper foil of the present invention has reduced roughness difference between both sides of the porous copper foil.
    Type: Application
    Filed: January 11, 2011
    Publication date: May 10, 2012
    Applicant: CHANG CHUN PETROCHEMICAL CO., LTD.
    Inventors: Chen-Ping Tsai, Jui-Chang Chou, Kuei-Sen Cheng