Dry passivation process for stamper/imprinter family making...

Details Dry passivation process for stamper/imprinter family making... Dry passivation process for stamper/imprinter family making...

2006-12-19

2006-12-19

Kuhns, Allan R. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

C205S070000, C264S002500, C264S219000, C264S338000, C427S532000, C427S533000

Reexamination Certificate

active

07150844

ABSTRACT:
A method of manufacturing a stamper/imprinter for use in patterning of a recording medium comprises sequential steps of:(a) providing a substrate/workpiece comprising a topographically patterned surface including a plurality of projections and depressions corresponding to a pattern to be formed in a surface of the recording medium;(b) forming a thin release layer in conformal contact with the topographically patterned surface by means of a dry process;(c) forming a thicker layer of a material in conformal contact with the thin passivation layer on the topographically patterned surface; and(d) separating the thicker layer of material from the topographically patterned surface to form therefrom a stamper/imprinter including an imprinting surface having a negative image replica of the topographically patterned surface, separation of the thicker layer of material from the topographically patterned surface being facilitated by the thin release layer formed by the dry process.

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patent: 6168845 (2001-01-01), Fontana, Jr. et al.
patent: 6544430 (2003-04-01), McCormack et al.
patent: 6808646 (2004-10-01), Jeans

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