Textured polyimide film

Details Textured polyimide film Textured polyimide film

C - Chemistry, Metallurgy

23

C

149/12.1

C23C 18/22 (2006.01) H05K 3/38 (2006.01)

Patent

CA 1302851

Textured Polyimide Film ABSTRACT one or both surfaces of a polyimide sheet are uniformly and completely textured and can be coated with a layer of electroless nickel or cobalt and a subsequent layer of electrolytically ap- plied copper yielding an adhesiveless laminate useful in the pro- duction of electronic circuitry. The copper and nickel or cobalt layers can be strongly bonded to the textured polyimide sheet to the extent that the laminate exceeds bond strength requirements as measured by current standard peel strength tests of the Institute for Interconnecting and Packaging Electronic Circuits (IPC) for both initial and post solder float adhesion. (1)

557905

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