Patents by Inventor Robert E. Senkalski

Robert E. Senkalski 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).

  • Dielectric composition having controlled thermal expansion
    Patent number: 4961998
    Abstract: Dielectric ink, paste and tape compositions having controlled thermal expansion contain a mixture of glasses wherein at least one glass has a coefficient of thermal expansion (CTE) below the CTE of the substrate to which the dielectric composition is applied and at least one glass has a CTE above the CTE of said substrate. The dielectric compositions significantly reduce or eliminate warpage of the substrate.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: October 9, 1990
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Robert E. Senkalski, Donald L. Hasenmayer