Patents by Inventor Chad Sandstrom

Chad Sandstrom 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).

  • Publication number: 20050041272
    Abstract: In one embodiment, holographic data storage medium includes a first thermoplastic substrate portion having a thickness less than approximately 2 millimeters and a second thermoplastic substrate portion having a thickness less than approximately 2 millimeters. A holographic recording material may be sandwiched between the first and second thermoplastic substrate portions. By making thermoplastic substrate portions sufficiently thin, edge wedge problems can be avoided.
    Type: Application
    Filed: October 11, 2004
    Publication date: February 24, 2005
    Inventors: Jathan Edwards, Frank Aspen, Ramon Hegel, Chad Sandstrom