| abstract |
The invention (a) a first conductive metal foil having a first polyimide layer formed on the first surface; And (b) a second conductive metal foil having a second polyimide layer formed on the first surface, wherein the first polyimide layer and the second polyimide layer are bonded to each other by an epoxy adhesive. And it provides a preparation method thereof.n n n In the present invention, while exhibiting the heat resistance and flexibility characteristics of the conventional flexible two-layer double-sided copper foil laminate plate, the manufacturing process is simple and simple, thereby improving productivity and economy.n n n n Flexible Copper Clad Laminates, Polyimide, Epoxy Adhesive |