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G - Physics

03

C

G03C 11/08 (2006.01) B41M 5/40 (2006.01) B41M 5/42 (2006.01) B41M 7/00 (2006.01) G03F 7/00 (2006.01)

Patent

CA 2070669

-46- C-7636 ABSTRACT A binary image (10b) comprising a plurality of first areas, at which a porous or particulate imaging material is adhered to a substrate (20), and a plurality of second areas, at which the substrate (20) is free from the imaging material, is protected by laminating thereto a laminating sheet (30) comprising a durable layer (34) and a support layer (38) with the durable layer (34) facing the image (10b) and at least one portion of the laminating sheet (30) extending beyond the periphery of the substrate (20), so that the durable layer (34) adheres to both the first and second areas of the image (10b). The support layer (38) is then displaced away from the image (10b) such that the durable layer remains attached to the image (34), but in the portion of the laminating sheet (30) extending beyond the substrate (20) the durable layer (34) remains attached to the support layer (38) so that the durable layer (34) breaks substantially along the periphery of the substrate (20). The image (10b) remains covered with a durable layer (34) which: a) is substantially transparent; b) has an abrasion resistance of at least 10 cycles of a 10 Newton force as measured by an Erikson Abrasion Meter and a critical load value of at least 100 grams as measured by ANSI PHl.37-1983; and c) is not removed from the image by contact with adhesive tape having an adhesion to steel of 33 grams per millimeter as measured by ASTM D-3330.

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