GRAVURE PRINTING ROLL AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Mar 12, 2009
app pub date -
Jul 19, 2006
filing date -
Jul 25, 2005
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Abstract
The present invention provides a novel gravure printing roll which includes a surface reinforcing coating layer having no toxicity and no possibility of causing pollution, and which has excellent printing resistance, and a manufacturing method thereof. The gravure printing roll includes: a plate base material; a copper plating layer formed on a surface of the plate base material and having multiple gravure cells formed thereon; and a silicon dioxide film which covers a surface of the copper plating layer, in which the silicon dioxide film is formed by using a perhydropolysilazane solution. The copper plating layer has a thickness of from 50 to 200 μm, the gravure cell has a depth of from 5 to 150 μm, and the silicon dioxide film has a thickness of from 0.1 to 5 μm, preferably 0.1 to 3 μm, and more preferably 0.1 to 1 μm.
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