Method and apparatus for laser-induced thermal transfer printing
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United States of America Patent
Stats
-
May 17, 2005
Grant Date -
Aug 14, 2003
app pub date -
Feb 8, 2002
filing date -
Feb 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for providing substantially intimate rolling contact between a portion of a donor sheet and a portion of an acceptor element in a laser-induced thermal transfer printer comprises a rotatably mounted cylindrical drum, an acceptor element affixed to and supported by the cylindrical drum, a rotatably mounted dispensing roller for dispensing a donor sheet, and a rotatably mounted receiving roller for receiving the donor sheet, so that the donor sheet is extended between the dispensing roller and the receiving roller. A plurality of rotatably mounted contact rollers configured to bring a portion of the donor sheet extended between the dispensing roller and the receiving roller into contact with a portion of the acceptor element is also included. Alternatively, contact rollers need not be utilized, and the dispensing roller and receiving roller are configured to bring a portion of the donor sheet extended therebetween into contact with a portion of the acceptor element. The laser imaging head does not contact either the donor sheet or the acceptor element.
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