Electrically conductive article

Details Electrically conductive article Electrically conductive article

1989-09-20

1991-09-10

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428137, 428323, 428331, 428457, 428688, 428901, 264104, B32B 900

Patent

active

050472836

ABSTRACT:
Microporous material comprising (1) a matrix consisting essentially of thermoplastic organic polymer, (2) a large proportion of finely divided water-insoluble siliceous filler, and (3) interconnecting pores is coated with electrically conductive coating and/or printed with electrically conductive printing ink. The resulting products have many uses as electrically conductive articles, including electromagnetic interference shields and printed circuit boards. Three-dimensional printed circuit boards are disclosed.

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A. Stuart Wood, Molded 3-D Circuit Boards: Market Takeoff Coming in 1989; Modern Plastics, Dec. 1988; pp. 64-71.
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Frank Wood and Jim Templin, Allen-Bradley, Two New Processes Make Circuitry A Part of the Part; Research & Development, Jul. 1989; pp. 71, 72, 74.

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