Feedforward control of downstream register errors for electronic roll-to-roll printing system
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United States of America Patent
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Aug 19, 2014
Grant Date -
Aug 25, 2011
app pub date -
Aug 19, 2010
filing date -
Feb 19, 2008
priority date (Note) -
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Abstract
An ultra-precision register control method in a continuous roll-to-roll printing process for manufacturing electronic devices via a feedforward register control logic, which compensates for and eliminates additional register errors attributable to variations in the speed of upstream printing cylinders. When used in combination with a conventional feedback register control logic, the feedforward register control logic accomplishes a register control with ultra-precision in a continuous roll-to-roll printing process, and enables implementation of a continuous roll-to-roll printing process for manufacturing electronic devices, for which a roll-to-roll printing process was formerly unavailable.
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