Continuous production of metal clad laminates

Details Continuous production of metal clad laminates Continuous production of metal clad laminates

B - Operations, Transporting

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B

B32B 15/08 (2006.01) B29C 35/02 (2006.01) B29C 43/22 (2006.01) B29C 43/30 (2006.01) B32B 15/14 (2006.01) B32B 38/08 (2006.01) H05K 3/02 (2006.01)

Patent

CA 2045987

Abstract of the Disclosure A process for producing metal clad laminates comprising the steps, all in continuous manner, of: (a) joining a plurality of substrate sheets impregnated with a liquid resin capable of curing without generating volatile by products to form a wet laminate; (b) applying a metal foil onto at least one side of the wet laminate; (c) preheating the wet laminate immediately before or after step (b) before the liquid resin is immobilized; (d) compressing and heating the wet laminate by a double belt press in its pressing zone to cure the laminate into a rigid state; (e) subjecting the lamiate to curing after releasing it from compression to complete the curing reaction and to relax internal stress therein; and (f) Cutting the cured laminate to a predetermined length.

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