Patents Assigned to SGA-Thomson Microelectronics, Inc.
  • Method of improving the corrosion resistance of aluminum contacts on semiconductors
    Patent number: 5119167
    Abstract: A method for improving the corrosion resistance of aluminum in a semiconductor device. The step includes providing a semiconductor device having aluminus containing contact pads; attaching a leadframe to the contact pads; and applying sufficient zinc chromate in solution to the contact pads for a sufficient time and at a sufficient temperature to render said aluminum substantially resistant to corrosion.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: June 2, 1992
    Assignee: SGA-Thomson Microelectronics, Inc.
    Inventor: Timothy E. Turner