Patent ID: 6977052
Filing Date: 2005-12-20
Classification: B29D

Abstract:
1. A method comprising: creating a first generation check disk from a master without destroying the master; testing the check disk; and creating a first generation stamper from the master when the check disk is acceptable, wherein creating the first generation check disk comprises: coating a master surface with a release layer; coating a photopolymer layer on a check disk substrate; contacting the photopolymer layer with the release layer; curing the photopolymer layer to bond the photopolymer layer to the check disk substrate and to preserve a pattern of the master surface in the photopolymer layer; separating the photopolymer layer from the release layer; and depositing at least one of the following on the photopolymer layer: a reflective material, a phase change material and a magneto-optic material.