Ultraviolet method for making optical composites

Details Ultraviolet method for making optical composites Ultraviolet method for making optical composites

1984-09-06

1987-11-17

Hayes, Monroe H.

Optics: motion pictures

Methods

Recording

352 45, 352 46, 352 89, G03B 1918, A63J 500

Patent

active

047070919

ABSTRACT:
The invention provides a method of using the fundamental property of semiconductors to combine two or more photographic images into a single photographic image, the method involving the use of ultraviolet light to cause areas of a transparent semiconductor to become reflective and opaque so that portions of a projected background image can't pass through those parts of the semiconductor while portions of an appropriate foreground image reflect from them, thereby creating a composite image.

REFERENCES:
patent: 3149969 (1964-09-01), Vlahos

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