FOUNTAIN SOLUTION THICKNESS MEASUREMENT USING OPTICAL PROPERTIES OF SOLIDIFIED FOUNTAIN SOLUTION IN A LITHOGRAPHY PRINTING SYSTEM

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20220203749A1
SERIAL NO

17137516

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Abstract

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According to aspects of the embodiments, there is provided a method of measuring the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is measured using a glass roll at a lower temperature than the fountain solution. The lower temperature causes the fountain solution to undergo a change in state and in a solid state the fountain solution crystalizes and changes roll opacity with the thickness of the film. When radiated with a light source the opacity is continuously measured through the surface of the roller. The thickness of the crystallized fountain solution can then be determined via the opacity level increase by the crystallization and the impact to the opacity on the glass roll.

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Patent Owner(s)

Patent OwnerAddress
XEROX CORPORATION45 GLOVER AVENUE P O BOX 4505 NORWALK CT 06856-4505

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HERRMANN, Douglas K Webster, US 240 673
LEFEVRE, Jason M Penfield, US 169 245
LEVY, Michael J Webster, US 85 690
LIU, Chu-heng Penfield, US 267 1553
MCCONVILLE, Paul J Webster, US 191 684
PRAHARAJ, Seemit Webster, US 128 60

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