Integral plastics identity cards lamination

摘要

The process according to the Parent Description comprises preparation of a protective polyester, etc. layer (6) with a thermal adhesion polyolefinic extruded film and a transparent polycarbonate-supported layer. Then a high-molecular-weight nautral gelatine film is deposited under a wide-spectrum photoemulsion film and a paper-supported layer, under two hot-applied polyolefin layers. A cover layer of symmetrical constitution relative to part