Patents by Inventor Thomas VanDuynhoven

Thomas VanDuynhoven 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).

  • High thermal conductivity substrate and the method of brazing a cap thereto
    Patent number: 5742021
    Abstract: Temperature gradients between a ceramic substrate of high thermal conductivity and the braze materials used to attach a metallic device such as a cap are reduced by using an embedded internal heat source in the substrate to minimize the thermal gradient, thereby minimizing the stresses that can result in substrate cracking when a cap is brazed onto the substrate.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: April 21, 1998
    Assignee: International Business Machines Corporation
    Inventors: Laertis Economikos, Robert Hannon, Richard P. Surprenant, Thomas VanDuynhoven