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).
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.
October 8, 2002
April 8, 2004
ASM Technology Singapore Pte Ltd
Yam Mo Wong, Ka Shing Kenny Kwan, Rong Duan, Zhao Ya Rui