Photographic elements sensitive to near infrared

Details Photographic elements sensitive to near infrared Photographic elements sensitive to near infrared

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G03C 1/825 (2006.01) G03C 1/06 (2006.01) G03C 1/76 (2006.01) G03C 1/95 (2006.01) G03C 5/16 (2006.01)

Patent

CA 1294478

ABSTRACT PHOTOGRAPHIC ELEMENTS SENSITIVE TO NEAR INFRARED Photographic elements which may be imaged by laser scanners emitting in the near infrared without the formation of interference fringes comprising a support bearing one or more layers of a silver halide emulsion having grains of a average diameter of no more than 0.4 micron, the element including one or more of: (i) a topcoat layer which is an outermost layer on the same side of the support as the photosensitive emulsion which topcoat layer is a diffuse transmitting layer with respect to near infrared radiation, (ii) a backing layer which is an outermost layer on the side of the support remote from the photosensitive emulsion which backing layer is a diffuse reflecting layer or absorbing layer with respect to new infrared radiation, (iii) a subbing layer which is positioned between the support and the photosensitive emulsion which subbing layer is a diffuse transmitting or abosrbing layer with respect to near infrared radiation Whereby the the element may be imaged by a laser scanning system emitting near infrared radiation substantially without formation of non-contact interference fringes.

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