Method for forming temporary image

Details Method for forming temporary image Method for forming temporary image

B - Operations, Transporting

41

J

B41J 2/435 (2006.01) B41M 5/00 (2006.01) C09K 9/02 (2006.01) G03C 1/685 (2006.01) G03C 1/73 (2006.01) G03C 1/775 (2006.01) G03G 5/00 (2006.01)

Patent

CA 2504995

An image forming method composed of: (a) providing a reimageable medium composed of a substrate and a photochromic material, wherein the medium is capable of exhibiting a color contrast and an absence of the color contrast; (b) exposing the medium to an imaging light corresponding to a predetermined image to result in an exposed region and a non-exposed region, wherein the color contrast is present between the exposed region and the non-exposed region to allow a temporary image corresponding to the predetermined image to be visible for a visible time; (c) subjecting the temporary image to an indoor ambient condition for an image erasing time to change the color contrast to the absence of the color contrast to erase the temporary image without using an image erasure device; and (d) optionally repeating procedures (b) and (c) a number of times to result in the medium undergoing a number of additional cycles of temporary image formation and temporary image erasure.

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