Mehrschichtfilm aus aromatischen Polyimid ohne Klebstoff

摘要

An aromatic polyimide laminate having a thickness of at least 50 microns composed of multiple aromatic polyimide film layers containing from 400 to 10,000 ppm of tin, superimposed on and directly bonded to each other without using an adhesive. The polyimide laminates can be used in various thick film applications such as punched gaskets and washers, speaker coils, shim stock, circuit boards and machined parts.