METHOD OF TREATING INK ON POROUS SUBSTRATE USING PARTIAL CURING AND APPARATUS USEFUL IN TREATING INK ON POROUS SUBSTRATE

PROBLEM TO BE SOLVED: To provide methods of treating ink on a porous substrate, and to provide methods of printing onto porous substrates.SOLUTION: An exemplary embodiment of the methods of treating ink on a porous substrate includes steps of: applying a layer 156 of ink onto a first surface of a po...

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL D THOMPSON, CARUTHERS JR EDWARD B
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide methods of treating ink on a porous substrate, and to provide methods of printing onto porous substrates.SOLUTION: An exemplary embodiment of the methods of treating ink on a porous substrate includes steps of: applying a layer 156 of ink onto a first surface of a porous substrate 150; irradiating the layer of ink with first radiation having a first spectrum effective to partially cure the ink layer and reduce entry of the ink into pores of the substrate; leveling the partially-cured ink layer; and irradiating the as-leveled ink layer with second radiation to further cure the ink layer, the second radiation having a second spectrum different from the first spectrum of the first radiation.