Patents Examined by Carl E. Arles
  • Laser induced electrical connection of integrated circuits
    Patent number: 5052102
    Abstract: Process for electrically connecting non-planar electronic elements to a motherboard. A radiation sensitive metallic conversion compound is applied as a coating which extends at least between electrical connection sites on the electronic element and motherboard. The metallic conversion coating is then selectively irradiated by laser to convert the coating into a metallic electrical connection which extends between the non-planar electronic element and motherboard.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: October 1, 1991
    Assignee: Shell Oil Company
    Inventors: Stewart O. Fong, Flora Yeung