Method of printing an image on a metallic surface, particularly on a coin surface
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United States of America Patent
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Apr 20, 2010
Grant Date -
Apr 20, 2006
app pub date -
Oct 20, 2004
filing date -
Oct 20, 2004
priority date (Note) -
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Abstract
A method of printing on a metal surface includes steps of forming a plurality of macropores on at least a portion of a metal surface. A plurality of micropores are formed within and adjacent to the macropores. The metal surface is cleaned, and a first ink having a first color is applied to the macropores and micropores to form at least one image on the metal surface. Preferably, the ink is applied using an inkjet printer. The ink is dried. A second ink having a second color may also be applied to the metal surface and then dried. Additional inks may also be applied. A lacquer top coat may be applied to the metal surface on top of the first ink (and additional inks, if provided). Preferably, the metal surface is part of a coin.
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