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US 2012/0069066 A1Published application
Method and Apparatus of Direct Inkjet Offset Lithographic Printing System
OwnerDino Paroinventor
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OwnerDino Paroinventor
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A method of producing an offset lithographic printing plate including the steps of graining and anodizing an aluminum plate; applying a receptive coating to the grained aluminum; applying an oleophilic inkjet fluid on top of the receptive coating; applying energy to the oleophilic inkjet fluid allowing an oleophilic resin of the oleophilic inkjet fluid to bond with the grained aluminum; and removing a portion of the receptive coating to expose part of the grained aluminum. The step of applying receptive coating can include obtaining a solution having a specific pH range, and maintaining a specific temperature range. A first immersion step is taken to immerse the aluminum plate in the solution, followed by rinsing with a portion of demineralized water. The invention can also include a second immersion step to immerse the aluminum plate in a surfactant water solution.
A method of producing an direct inkjet offset lithographic printing plate, the method comprises steps of:
A method of improving resolution in direct inkjet offset lithographic printing, the method comprising:
A direct inkjet offset lithographic printing system with improved resolution, said system comprising:
Dependencies are inferred from the claim text.