Organic medium for thin-phase holography

Gas separation: apparatus – Electric field separation apparatus – With means to add charged solid or liquid particles to...

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96115R, 350 35, G03C 504

Patent

active

040554236

ABSTRACT:
Permanent thin-phase holograms are recorded wherein the recording medium contains a recording layer comprised of an olefinically unsaturated negative photoresist polymer containing an .alpha.-diketone.

REFERENCES:
patent: 3580657 (1971-05-01), Sheridon
patent: 3658526 (1972-04-01), Haugh
patent: 3707371 (1972-12-01), Files
patent: 3764333 (1973-10-01), Leclair et al.
patent: 3809686 (1974-05-01), Chandross et al.
patent: 3894163 (1975-07-01), Broyde
patent: 3926637 (1975-12-01), Bartolini et al.
patent: 3951663 (1976-04-01), Ross

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