Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-06-20
1990-12-04
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428337, 428419, 428901, 361397, 361398, 361414, 528176, B32B 900
Patent
active
049753126
ABSTRACT:
The present invention is directed to the use of multiaxially oriented (e.g., biaxially) thermotropic polymers as a substrate material for the preparation of printed wire boards (PWB). In preferred embodiments, the PWB of the present invention comprises a generic, high density, organic multilayer PWB comprising XYDAR.RTM. and/or VECTRA.RTM. films, capable of being employed as a high density leadless perimeter and in grid array ceramic chip packages.
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CA 88-159438/23, Apr. 20, 1988, anonymous.
Chandy Ruby R.
Harvey Andrew C.
Lusignea Richard W.
Racich James L.
Buckley Linda M.
Conlin David G.
Foster-Miller Inc.
Linek Ernest V.
Ryan Patrick J.
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