Patents by Inventor Alfred Urquhart MacRae

Alfred Urquhart MacRae 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).

  • Method for making patterned platinum metallization
    Patent number: 4039698
    Abstract: A method is disclosed for making precisely patterned platinum films in the manufacture of integrated circuit devices. The method calls for the deposition of a film of a platinum compound, whose heat of formation is in the range of from -100 to +10 Kcal/mole, patterning the film, and thermally reducing the patterned film to platinum metal.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: August 2, 1977
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: David Bruce Fraser, Alfred Urquhart MacRae