Patents by Inventor Rong Duan

Rong Duan 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).

  • Apparatus and method to prevent oxidation of electronic devices
    Publication number: 20040065720
    Abstract: The invention provides an apparatus and a method for preventing oxidation of an electronic device, such as a semiconductor leadframe, when it is heated. The apparatus comprises an area in which said device is to be heated and inlet means adapted to supply a relatively inert gas to the said area. In particular, the apparatus includes a porous distribution element through which the inert gas is passed from the inlet means to said area, whereby to protect the electronic device in the area from oxidation.
    Type: Application
    Filed: October 8, 2002
    Publication date: April 8, 2004
    Applicant: ASM Technology Singapore Pte Ltd
    Inventors: Yam Mo Wong, Ka Shing Kenny Kwan, Rong Duan, Zhao Ya Rui