Method for imaging and erasing an erasable printing form
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United States of America Patent
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Sep 28, 2004
Grant Date -
May 15, 2003
app pub date -
Mar 12, 1998
filing date -
Jan 24, 1996
priority date (Note) -
Expired
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Abstract
A method for imaging a printing form in which the printing form is charged on its entire surface and is coated on its entire surface with particles, in particular toner particles, which bear the opposite charge. The layer formed by the particles is then fixed in accordance with the image by a beam, in particular a laser beam, and especially by infrared radiation, on the surface of the printing form or ablated in accordance with the image. Thereupon, the unfixed portions of the layer are removed or the non-ablated portions are fixed by full-surface heat treatment.
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