Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1993-02-10
1994-11-22
Picard, Leo P.
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
174259, 174255, 174266, H05K 102
Patent
active
053660277
ABSTRACT:
A double-sided printed circuit board and a method for making the circuit board. The circuit board includes a metal support that functions as both a heat sink and a ground plane. The circuit board contains a dielectric having first and second conductive foil platings on opposing sides of the dielectric. Prior to bonding the first foil plating to the metal support with a conductive adhesive, a standard protective coating on the first foil plating, which typically remains on the foil plating in conventional practice, is removed in order to expose a bare surface of the first foil plating. The exposed bare surface of the first foil plating is then bonded to the metal support before any substantial oxidation or a build up of impurities on the first foil plating surface can occur.
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Dryer Joel S.
Sexson Harold L.
Turek Joseph A.
Picard Leo P.
Poly Circuits, Inc.
Thomas L.
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