Printing device and method, in which a humidity promoter is...

Details Printing device and method, in which a humidity promoter is... Printing device and method, in which a humidity promoter is...

2007-03-20

2007-03-20

Nguyen, Judy (Department: 2854)

Printing

Planographic

Lithographic plate making, and processes of making or using...

C101S450100, C101S478000, C101S487000

Reexamination Certificate

active

10505237

ABSTRACT:
In a method and device to generate a print image on a carrier material, a surface of a print carrier is coated with a layer which is one of ink-repelling and ink-attracting. In the structuring process, ink-attracting regions and ink-repelling regions are generated. Ink that adheres to the ink-attracting regions and that is not absorbed by the ink-repelling regions is applied on the surface. The applied ink is transferred onto the carrier material. Before a new structure process on the same surface of the print carrier, the surface is cleaned and recoated with said layer. Before the application of said layer, a wetting-aiding substance is applied with a molecular layer thickness. A surfactant with hydrophilic molecule sections is used as the wetting-aiding substance.

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