Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Physical developing
Patent
1982-04-16
1983-12-27
Arnold, Bruce Y.
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Physical developing
430 1, G03H 118, G03C 522
Patent
active
044227132
ABSTRACT:
A method for making high diffraction efficiency holograms from dichromated gelatin (DCG) including the steps of curing the DCG for a specified time under controlled temperature and humidity conditions, periodically removing the DCG material from the curing conditions, placing a dye spot on the cured DCG material, measuring the extent of diffusion of the dye spot after a predetermined time, replacing the DCG material into the curing conditions, repeating the method until dye spot diffusion of a predetermined size occurs, and using the DCG material at that cure state to make holograms.
REFERENCES:
Photographic Science and Engineering, vol. 24, No. 3, May/Jun. 1980, "The Mechanism of Volume Hologram Formation in Dichromated Gelatin," D. M. Samoilovich, A. Zeichner and A. A. Friesem, pp. 161-166.
Grant Barbara D.
Hilden Magdalena M.
Jones Carol R.
Sincerbox Glenn T.
Arnold Bruce Y.
International Business Machines
Schmid, Jr. Otto
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