Patents by Inventor Kee Cheng Sim

Kee Cheng Sim 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).

  • Patent number: 7799612
    Abstract: Methods and systems of applying a plurality of pieces of die attach film to a plurality of singulated dice are provided. The method can involve making intervals between rows and columns of a plurality of pieces of die attach film. The interval can be made by expanding an underlaid expandable film on which the plurality of pieces of die attach film are placed or by removing portions of the die attach film between rows and columns of the plurality of pieces of die attach film. The method can further involve placing a plurality of singulated dice back side down on the plurality of pieces of die attach film.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: September 21, 2010
    Assignee: Spansion LLC
    Inventors: Sally Foong, Tan Kiah Ling, Kee Cheng Sim, Wong Kwet Nam, Yue Ho Foong