Patents by Inventor David M. Crald

David M. Crald 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).

  • Placement of absorbing material in a semiconductor device
    Patent number: 7442576
    Abstract: A semiconductor device is provided that includes a hermetically sealed housing having a top member and a bottom member. A semiconductor die is enclosed within the housing and absorbing material is positioned under the semiconductor die.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: October 28, 2008
    Inventors: Chien-Hua Chen, David M. Crald, Troy D. Schwinabart