Process for making phase holograms

Details Process for making phase holograms Process for making phase holograms

1979-03-23

1980-02-05

Schilling, Richard C.

Radiation imagery chemistry: process, composition, or product th

Holographic process, composition, or product

430264, G03C 504, G03C 532

Patent

active

041871065

ABSTRACT:
A process for the production of a phase hologram of tanned gelatin in a gtin matrix from silver halide photographic material is disclosed in which the silver halide photographic material is exposed, developed with a non-tanning developer, bleached with a tanning bleach which removes the metallic silver of the metallic silver image areas while tanning the gelatin in the metallic silver image areas, and is fixed with a non-tanning fixing agent to remove the silver halide from the photographic material.

REFERENCES:
patent: 3617274 (1974-11-01), Lin
patent: 3728118 (1973-04-01), Fillmore et al.
patent: 3816130 (1974-06-01), Eggers et al.
patent: 3891436 (1975-06-01), Nishida

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