Patents Represented by Attorney, Agent or Law Firm P. J. Daugherty
  • Patent number: 6586352
    Abstract: A simple, inexpensive, drillable, reduced CTE laminate and circuitized structure comprising the reduced CTE laminate, is provided. The reduced CTE laminate comprises: from about 40% to 75%, preferably from about 55% to 65%, by weight resin; from about 0.05% to 0.3%, preferably from about 0.08% to 0.10%, by weight curing agent; from about 25% to 60%, preferably from about 30% to 40%, by weight, woven cloth; from about 1% to 15%, preferably from about 5% to 10%, by volume, non-woven quartz mat. The present invention also generally relates to a method for reducing the CTE of circuitized structures, and to methods for making reduced CTE laminate and circuitized structures comprising reduced CTE laminate.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: July 1, 2003
    Assignee: International Business Machines Corporation
    Inventors: Lawrence Robert Blumberg, Robert Maynard Japp, William John Rudik, John Frank Surowka