Patents by Inventor James Allen Shell

James Allen Shell 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).

  • Alkali-free glasses
    Patent number: 4012263
    Abstract: Glass compositions, free of alkali metal, are disclosed which are suitable for a wide variety of purposes, particularly in the electronics industry. The glasses have good working properties and resist uncontrolled devitrification. Characterized by low to moderate thermal expansion properties, the glass compositions generally contain the following components expressed as oxides in the indicated amounts based on the total weight of the composition:______________________________________ SiO.sub.2 50-62 Al.sub.2 O.sub.3 8-15 ______________________________________and at least one RO oxide as follows: ______________________________________ CaO 0-25 BaO 15.5-32 MgO 0-2.4 ______________________________________and wherein the sum of the RO oxides is at least 23%.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: March 15, 1977
    Assignee: Owens-Illinois, Inc.
    Inventor: James Allen Shell
  • Silica-free, alkali metal-free and lead-free sealing glasses
    Patent number: 3970464
    Abstract: Zinc borate sealing glasses free of silica, alkali metal oxide and lead are disclosed for use in sealing and encapsulation, particularly in connection with semi-conductor devices and electronic components which are sensitive to alkali metal and lead. The glasses have coefficients of thermal expansion in the range of about 35 to 55 .times. 10.sup..sup.-7 /.degree.C, fiber softening temperatures in the range of about 600.degree. to 675.degree.C and annealing point temperatures in the range of about 500 to 580.degree.C.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: July 20, 1976
    Assignee: Owens-Illinois, Inc.
    Inventor: James Allen Shell