Patents by Inventor Gulbagh SINGH

Gulbagh SINGH 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).

  • SEMICONDUCTOR DEVICE WITH POST PASSIVATION STRUCTURE AND FABRICATION METHOD THEREFOR
    Publication number: 20180315723
    Abstract: A method of fabricating a semiconductor device includes forming a first contact pad and a second contact pad over a first passivation layer, depositing a first buffer layer over the first contact pad and the second contact pad, and depositing a second buffer layer over the first buffer layer and the second contact pad. The first contact pad is in a circuit region and the second contact pad is in a non-circuit region. An edge of the second contact pad is exposed and a periphery of the first contact pad and an edge of the second contact pad are covered by the first buffer layer.
    Type: Application
    Filed: July 6, 2017
    Publication date: November 1, 2018
    Inventors: Gulbagh SINGH, Chih-Ming LEE, Chi-Yen LIN, Wen-Chang KUO, C. C. LIU