Patents by Inventor Arthur Houser Hamlin

Arthur Houser Hamlin 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).

  • Precision registration system for leads
    Patent number: 3968563
    Abstract: Sets of finger-like leads for attachment to semiconductive devices which have a plurality of metallic electrical contacts are etched in a copper foil mounted on a temporary carrier strip simultaneously with indexing holes. The indexing holes are then used to index or register the set of leads when it is bonded to the semiconductive device. If desired, the temporary carrier strip can be removed and the semiconductive device and individual sets of leads are encapsulated in or on permanent carriers.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: July 13, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Arthur Houser Hamlin