Process for producing plastic laminates with metal laminae,...

Details Process for producing plastic laminates with metal laminae,... Process for producing plastic laminates with metal laminae,...

B - Operations, Transporting

32

B

B32B 15/08 (2006.01) B29C 35/02 (2006.01) B29C 65/34 (2006.01) B30B 7/02 (2006.01) B30B 15/06 (2006.01) B32B 37/00 (2006.01) H05K 3/00 (2006.01) H05K 3/02 (2006.01)

Patent

CA 2135157

Process for the production of plastic laminates with copper laminae on their external faces, especially for print- ed circuits, said laminae being obtained from a continuous band (30) passing from one face to another, by bends (32) made in one direction and the opposite one alternatively, of the various packages placed one above the other, which band (30) being connected at its two ends (36, 37) to a gen- erator (72) of electricity acts as a set of electric resistances generating the necessary heat for producing, when ade- quate pressure is exerted on the packages by a cold press (60), close association among the various component parts and so forming plastic laminates.

Procédé de production de stratifiés en plastique comprenant des lamelles de cuivre sur leurs faces externes, notamment pour des circuits imprimés. Lesdites lamelles sont obtenues à partir d'une bande continue (30) présentant des courbures (32) alternées en une direction puis dans l'autre et passant d'une face à l'autre des différents modules placés les uns au-dessus des autres. La bande (30), dans la mesure où elle est connectée au niveau de ses deux extrémités (36, 37) à un générateur d'électricité (72), agit comme un ensemble de résistances électriques générant la chaleur nécessaire pour rattacher étroitement entre eux les différents éléments lorsqu'une pression adéquate est appliquée aux modules par une compression à froid (60), ce qui permet de former les stratifiés en plastique.

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