Master for optical element replication

Details Master for optical element replication Master for optical element replication

G - Physics

11

B

G11B 7/28 (2006.01) G11B 3/70 (2006.01) G11B 7/26 (2006.01)

Patent

CA 2057017

2057017 9100598 PCTABS00003 A master for the replication of optical elements is prepared by the steps of a) focusing an information modulated energy beam on a phase-change optical recording layer so as to form a pattern of two different phases in said layer corresponding to said information; and b) selectively etching away one of said two different phases so as to form a relief pattern corresponding to said information. The master so made can be used directly as the stamper in the injection molding process or the 2-P process for the replication of optical elements.

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