Instant processing film unit having internal dark slide

Details Instant processing film unit having internal dark slide Instant processing film unit having internal dark slide

G - Physics

03

D

95/11.4

G03D 9/02 (2006.01) G03C 8/44 (2006.01)

Patent

CA 1106670

INSTANT PROCESSING FILM UNIT HAVING IN INTERNAL DARK SLIDE Abstract of the Disclosure An instant-processing film unit of the pre- registered, integral type includes an internal dark slide which protects the unit from exposure prior to use. The film unit includes a photosensitive element and a cover sheet between which the dark slide is removeably positioned to shield one side of the photosensitive element from light. Exposure from the other side is prevented by an opaque layer in the element itself. When used with an opaque processing composition, the unit can be handled in daylight, without fogging, both before and after exposure. The film unit is adapted for use in commercially available adapters for professional type cameras.

311618

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