Method of preparing laminated holograms

Details Method of preparing laminated holograms Method of preparing laminated holograms

1989-12-08

1990-12-11

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 99, 350 37, B32B 3120, B32B 1710

Patent

active

049767992

ABSTRACT:
There is described a method of preparing a hologram laminated between two sheets of glass which comprises forming an assembly which comprises a sheet of glass, a sheet of polyvinyl butyral, a film which contains a silver halide hologram, a sheet of polyvinyl butyral and a sheet of glass and then subjecting the assembly of a pressure of between 12 and 15 bars at a temperature about 110.degree. C. which is the softening temperature of polyvinyl butyral.

REFERENCES:
patent: 4842389 (1989-06-01), Wood et al.

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