Master disc suitable for the manufacture of matrices containing

Details Master disc suitable for the manufacture of matrices containing Master disc suitable for the manufacture of matrices containing

1991-02-25

1992-05-19

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430270, 430332, G03F 102

Patent

active

051148293

ABSTRACT:
A master disc which is provided on one side with a reflective optical structure and a recording double-layer is exposed to a first laser beam which scans the optical structure and to a second laser beam which is controlled by the first beam, information bits in the form of bulges being formed in the recording layer due to exposure to the second beam, a metal skin being subsequently provided on the recording layer, in which metal skin the surface structure of the recording layer is copied and, finally, the matrix thus obtained being removed from the master disc.

REFERENCES:
patent: 4272574 (1981-06-01), Lippits et al.
patent: 5001035 (1991-03-01), van Liempd et al.

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