Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1989-03-28
1991-05-28
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
430346, 430945, 430 14, 3461351, 3692751, 3692754, G03F 102
Patent
active
050194879
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.
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Gravesteijn Dirk J.
van Liempd Johannes P. J. G.
Wijn Josephus M.
McCamish Marion E.
Rodee Christopher D.
Spain Norman N.
U.S. Philips Corporation
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