Slide blank

G - Physics – 03 – C

Patent

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Details

G03C 1/73 (2006.01) B41M 5/323 (2006.01) G03C 1/76 (2006.01) B41M 5/30 (2006.01) B41M 5/40 (2006.01)

Patent

CA 2186020

A slide blank (10; 90; 100) comprises a support (12) at least part of which is essentially transparent; an imageable layer (20; 30; 30'; 60; 60') superposed on one face of the support (12), the imageable layer (20; 30; 30'; 60; 60') not being substantially sensitive visible radiation but comprising a color-forming composition, which, upon imagewise exposure to actinic radiation, forms a colored material, thereby forming in the imageable layer (20; 30; 30'; 60; 60') an image which can be viewed in transmission; and a protective layer (26; 50; 80) superposed on the imageable layer (20; 30; 30'; 60; 60') on the opposed side thereof from the support (12), at least part of the protective layer (26; 50; 80) being essentially transparent; the support (12), imageable layer (20; 30; 30'; 60; 60') and protective layer (26; 50; 80) being secured together to form a slide blank having a thickness of at least 0.8 mm, and the thickness of the protective layer (26; 50; 80) being such that no part of the imageable layer containing the color-forming composition is more than 0.2 mm from one external surface of the slide blank. This slide blank can be imaged to produce a ready-mounted slide.

Diapositive vierge (10, 90, 100) qui comprend un support (12) au moins partiellement transparent, une couche de formation d'image (20, 30, 30', 60, 60') superposée à une des faces du support (12), ladite couche de formation d'image (20, 30, 30', 60, 60') n'étant pas sensible aux rayonnements visibles, mais comprenant une composition chromogène qui, sur exposition en vue de la formation d'image à un rayonnement actinique, forme un matériau coloré, formant ainsi dans la couche de formation d'image (20, 30, 30', 60, 60') une image qui peut être observée par transmission, et une couche protectrice (26, 50, 80) superposée à la couche de formation d'image (20, 30, 30', 60, 60') sur l'autre face par rapport au support (12), une partie au moins de la couche protectrice (26, 50, 80) étant transparente. Le support (12), la couche de formation d'image (20, 30, 30', 60, 60') et la couche protectrice (26, 50, 80) sont fixés ensemble pour former une diapositive vierge ayant une épaisseur d'au moins 0,8 mm, l'épaisseur de la couche protectrice (26, 50, 80) étant telle qu'aucune partie de la couche de formation d'image contenant la composition chromogène ne dépasse de plus de 0,2 mm une surface externe de la diapositive vierge. Cette diapositive vierge peut exposée en vue de la formation d'image pour produire une diapositive déjà montée.

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