A process of laminating gold foil includes the steps of pressing a gold piece to form an elongated thin gold foil having an even thickness from 0.3 mm to 1 mm; cutting the gold foil to a plurality of gold foil pieces with predetermined size; placing each of the gold foil pieces between two plastic...http://www.google.com/patents/US5702554?utm_source=gb-gplus-sharePatent US5702554 - Process of laminating gold foil and gold foil card