Patents by Inventor Kar Koh

Kar Koh 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).

  • Titanium underlayer for lines in semiconductor devices
    Publication number: 20050116350
    Abstract: A thin Titanium underlayer 22 is included beneath a Titanium rich Titanium Nitride layer 28 in a metal line 20 on a silicon substrate to reduce stress voiding.
    Type: Application
    Filed: January 20, 2003
    Publication date: June 2, 2005
    Applicant: Systems on Silicon Manufacturing Co. PTE. LTD.
    Inventors: Khim Ng, Yeow Ng, Kar Koh