Patents by Inventor Lavoie Richardson

Lavoie Richardson 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 immersion plating very thin films of aluminum
    Patent number: 4235648
    Abstract: A method for plating very thin films of aluminum for subsequent electrical contact. The method is particularly suitable for preparation of the thin films of aluminum used in semiconductor integrated circuits for subsequent plating operations or lead bonding processes. The method comprises a removal of surface oxides in a way that does not substantially attack the very thin films of aluminum followed by immersion plating with a metal selected from the group comprising zinc, tin, nickel, silver and copper.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: November 25, 1980
    Assignee: Motorola, Inc.
    Inventor: Lavoie Richardson