Lightsafe masking film

Details Lightsafe masking film Lightsafe masking film

G - Physics

03

F

95/94.5

G03F 1/06 (2006.01) F21V 9/08 (2006.01) G02B 5/20 (2006.01) G03F 1/00 (2006.01) G03F 7/00 (2006.01)

Patent

CA 1299423

LIGHTSAFE MASKING FILM Abstract A lightsafe masking film for use in masking a roomlight film is disclosed which comprises a substrate, and a transparent, lightsafe layer peelably provided over the surface of the substrate and containing a combination of specific yellow and blue colorants so that the lightsafe layer is green or light green in color but can effectively block light to which the roomlight film is sensitive.

586197

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