Method of manufacturing high density encapsulated wire circuit board

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United States of America Patent

PATENT NO 4662963
SERIAL NO

06762604

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of making a high density dimensionally stable encapsulated circuit board. A curable adhesive is utilized to bond insulated wires to a substrate, the dimensional stability of which is maintained by a sheet of relatively thick copper foil. Since the adhesive is cured and since the copper foil returns to the same dimensions when thermally, mechanically or chemically cycled, the entire composite is dimensionally stable. At each location where a connection is to be made to a wire, the wire has a non-linear geometrical portion. The increased dimensional stability plus non-linear shaped portion of the wires allows connections to be made to the board utilizing a very small drill. The result is a high density stable circuit board.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Varker, Kenneth J Binghamton, NY 4 29

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