Patents Assigned to Johnson & Johnston Associates, Inc.
  • Component of printed circuit boards
    Patent number: 6048430
    Abstract: A component for use in manufacturing articles such as printed circuit boards comprising a laminate of a sheet of copper foil and a sheet of aluminum or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: April 11, 2000
    Assignee: Johnson & Johnston Associates, Inc.
    Inventor: James A. Johnston
  • Component of printed circuit boards
    Patent number: 5951803
    Abstract: A method of making printed circuit boards and components there of comprising laminating a sheet of copper foil and a sheet of aluminum or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil. The boards are made by assembling a plurality of the components alternating between dielectric layers and layers of copper foil.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: September 14, 1999
    Assignee: Johnson & Johnston Associates, Inc.
    Inventor: James A. Johnston
  • Component of printed circuit boards
    Patent number: 5942315
    Abstract: A component for use in manufacturing articles such as printed circuit boards comprising a laminate of a sheet of copper foil and a sheet of metal or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: August 24, 1999
    Assignee: Johnson & Johnston Associates, Inc.
    Inventor: James A. Johnston
  • Component of printed circuit boards
    Patent number: 5725937
    Abstract: A component for use in manufacturing articles such as printed circuit boards comprising a laminate of a sheet of copper foil and a sheet of aluminum or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: March 10, 1998
    Assignee: Johnson & Johnston Associates, Inc.
    Inventor: James A. Johnston
  • Component of printed circuit boards
    Patent number: 5674596
    Abstract: A component for use in manufacturing articles such as printed circuit bards comprising a laminate of a sheet of copper foil and a sheet of aluminum or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: October 7, 1997
    Assignee: Johnson & Johnston Associates, Inc.
    Inventor: James A. Johnston