BILDERZEUGUNGSVERFAHREN

A method for producing a predetermined pattern in a coating on a substrate, the method comprising: the patternwise delivery of heat to the coating, the coating comprising a positive working composition; and the application of a developer to the patternwise-heated coating; wherein the composition com...

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Bibliographische Detailangaben
Hauptverfasser: RAY, BARRY, BAYES, STUART, MCCULLOUGH, DAVID, KITSON, PAUL, MONK, STANLEY
Format: Patent
Sprache:ger
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Beschreibung
Zusammenfassung:A method for producing a predetermined pattern in a coating on a substrate, the method comprising: the patternwise delivery of heat to the coating, the coating comprising a positive working composition; and the application of a developer to the patternwise-heated coating; wherein the composition comprises a polymeric substance, and diazide moieties and a cyanine dye not having a borate anion; wherein the diazide moieties comprise 1,4- or 1,2-benzoquinone diazide (BQD) or 1,4-, 2,1- or 1,2-naphthoquinone diazide (NQD) moieties; wherein the composition has the property that it is developer insoluble prior to the delivery of heat and developer soluble thereafter; wherein the heat is delivered via electromagnetic radiation of wavelength entirely or predominantly in the range 600-1400 nm, the cyanine dye absorbing the electromagnetic radiation and converting it to heat.