Patents by Inventor Cheau Tei-Chih

Cheau Tei-Chih 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).

  • Process for preparing silver-palladium powders
    Patent number: 5292359
    Abstract: The present invention relates to a process for preparing silver-palladium powders that may be used for the production of electrode materials, contacts or the like used in the electronic industries. The process comprises the steps of forming an acid solution containing silver and palladium ions; adding the acid solution while stirring to an aqueous solution containing a hydrazine and a surfactant system; and forming reduction-separated silver-palladium fine powders having an average particle diameter less than 1.0 micron and a specific surface area lower than 6.0 m.sup.2 /g.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: March 8, 1994
    Assignee: Industrial Technology Research Institute
    Inventors: Jean Jeng-Shyong, Cheau Tei-Chih