Patents Assigned to JJA, Inc.
  • Publication number: 20030129030
    Abstract: A lubricant sheet for use in drilling holes in a printed circuit board, comprised of a porous, fibrous, organic sheet impregnated with a water-soluble lubricant. The lubricant is comprised essentially of polyethylene glycol having a weight average molecular weight between 4,500 and 7,000, and a surfactant.
    Type: Application
    Filed: January 4, 2002
    Publication date: July 10, 2003
    Applicant: JJA, Inc.
    Inventor: Robert M. Johnston