Method of creating a replicating matrix and the matrix...

Details Method of creating a replicating matrix and the matrix... Method of creating a replicating matrix and the matrix...

G - Physics

03

C

96/266, 352/32.4

G03C 5/00 (2006.01) G11B 11/00 (2006.01) G11B 23/00 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1039999

ABSTRACT OF THE DISCLOSURE A video disc master of glass, having a metal surface with microscopic apertures therein representing information, is coated with a photosensitive resist. The resist is uniformly exposed through the glass disc. The unexposed resist is removed. The resulting disc having surface irregularities can be used in a first process to produce "stampers" for embossing replicas and, in a second process, to produce a mold for casting replicas.

210354

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