Patents by Inventor Jemy Chien-Wen Chiou

Jemy Chien-Wen Chiou 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 recycling reaction system of electroplating passivation of wafers
    Patent number: 6176993
    Abstract: A process for recycling a reaction system of electroplating passivation of wafers, in which lanthanum hydroxide (La(OH)3) or magnesium hydroxide (Mg(OH)2) is added to supplement the lanthanum ion or magnesium ion consumed in an electroplating solution when the pH of the electroplating solution decreases to a range from 0.1 to 0.4.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: January 23, 2001
    Assignee: General Semiconductor of Taiwan, Ltd.
    Inventor: Jemy Chien-Wen Chiou