Holographic media

Details Holographic media Holographic media

1999-10-26

2000-12-12

Chang, Audrey

Optical: systems and elements

Holographic system or element

Having particular recording medium

359 1, 430 1, 430 2, 156107, G03H 102, G03H 100, G03H 104, B32B 1700

Patent

active

061606456

ABSTRACT:
A holographic medium uses a photosensitive polymer medium. The shelf life of the photosensitive polymer medium is improved by hermetically sealing the polymer between glass plates. The hermetic seal is designed so that high T.sub.g materials, or solder, can be used as the sealant without damage to the polymer already contained between the plates. The hermetic seal comprises metal foils attached to the plates with the edges thereof extending away from the plates in tab-like fashion. The foils are attached prior to filling the assembly with polymer. After filling, the outer edges of the foil tabs are the sealed with local heating away from the site of the polymer, or crimped using mechanical crimping.

REFERENCES:
patent: 5095375 (1992-03-01), Bolt

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