Microlens sheet containing directional half-tone images and meth

Radiation imagery chemistry: process – composition – or product th – Imaged product – Structurally defined

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Details

430 10, 430273, 430290, 430496, 430945, 430946, 430346, 283 85, 283 87, 283 91, 283 93, G03C 196, F16L 5500, F16L 3500, F16J 1500

Patent

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047089202

ABSTRACT:
A sheet containing an integrated-directional, half-tone image. Each sheet may contain one or more such images. Also a method for forming such images in microlens sheetings comprising directly a highly collimated light through an interposed half-tone mask.

REFERENCES:
patent: 3154872 (1964-11-01), Nordgten
patent: 3190178 (1965-06-01), McKenzie
patent: 3503315 (1970-03-01), Montebello
patent: 3801183 (1974-04-01), Sevelin et al.
patent: 4082426 (1978-04-01), Brown
patent: 4099838 (1978-07-01), Cook et al.
patent: 4200875 (1980-04-01), Galanos
patent: 4314022 (1982-02-01), Fisch

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