Patents by Inventor Robert W. Hey

Robert W. Hey 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).

  • Glass hermetic seal
    Patent number: 4349692
    Abstract: An improved sealing glass composition for making compression glass electrical feedthroughs in semiconductor device packages is described wherein the improved sealing glass consists essentially of (by weight percent) 63-68% SiO.sub.2, 3-6% Al.sub.2 O.sub.3, 8-9% K.sub.2 O, 5-6% Na.sub.2 O, 0.5-1.5% Li.sub.2 O, 2-4% BaO, 5-7% SrO, 2-4% CaO, 0.5-1.5% MgO, 0.5-1.5% TiO.sub.2, and 0.5-1.5% B.sub.2 O.sub.3.
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: September 14, 1982
    Assignee: Motorola, Inc.
    Inventors: Earl K. Davis, Robert W. Hey
  • Glass and hermetic seal
    Patent number: 4309507
    Abstract: An improved sealing glass composition for making compression glass electrical feedthroughs in semiconductor device packages is described wherein the improved sealing glass consists essentially of (by weight percent) 63-68% SiO.sub.2, 3-6% Al.sub.2 O.sub.3, 8-9% K.sub.2 O, 5-6% Na.sub.2 O, 0.5-1.5% Li.sub.2 O, 2-4% BaO, 5-7% SrO, 2-4% CaO, 0.5-1.5% MgO, 0.5-1.5% TiO.sub.2, and 0.5-1.5% B.sub.2 O.sub.3.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: January 5, 1982
    Assignee: Motorola, Inc.
    Inventors: Earl K. Davis, Robert W. Hey