H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 3/46 (2006.01) H05K 1/03 (2006.01) H05K 3/38 (2006.01)
Patent
CA 2142267
2142267 9405140 PCTABS00030 A process for manufacturing a multi-layer printed wire board, also referred to as a multilayer, comprising at least two electrically insulating substrates with electrically conductive traces or layers provided on at least three surfaces thereof, in which process, by means of lamination under pressure, a cured basic substrate based on a UD-reinforced synthetic material, provided on either side with traces, is combined with and bonded to a back-up substrate, wherein during the laminating process the back-up substrate is added to the basic substrate, the base substrate and the back-up substrate comprising a UD-reinforced cured core layer, the base substrate having been provided at least on the side facing the back-up substrate with a still plastically deformable (flowable) adhesive layer, and such a pressure is exerted on the laminate as to bring said back-up substrate into contact or practically into contact with the conducting traces of the basic substrate, and the space between these traces is filled with the adhesive material, so bonding the basic substrate and the back-up substrate.
Middelman Erik
Zuuring Pieter Hendrik
Amp-Akzo Linlam Vof
Swabey Ogilvy Renault
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