Overlay light-sensitive proofing film with transparent aluminum

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...

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430157, 430158, 430161, 430162, 430143, 430271, 430275, 430276, 430293, G03C 180, G03C 184

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active

046346520

ABSTRACT:
This invention relates to an improved overlay proofing film. More, particularly, the invention relates to an improved overlay proofing film comprising a substantially transparent polyester base film which has deposed thereon a substantially uniform adhesive layer comprising aluminum oxide, which adhesive layer has deposed thereon a substantially uniform optical layer comprising magnesium fluoride, said polyester base film being coated on either side with a light sensitive mixture of

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