Digital printing plate and system with electrostatically latched deformable membranes
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United States of America Patent
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Oct 23, 2012
Grant Date -
May 12, 2011
app pub date -
Nov 30, 2010
filing date -
Dec 19, 2006
priority date (Note) -
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Abstract
A printing surface includes a substrate having latching electrodes on a first surface, a spacer layer on the first surface of the substrate, the spacer layer patterned to form wells such that the latching electrodes reside in the wells, a deformable membrane, the membrane having conductive regions, on the spacer layer to enclose the wells, each enclosed well and its associated region of the membrane forming a pixel membrane, and actuation circuitry to actuate the electrodes to cause selected ones of the pixel membranes to remain in a deflected state when the pixel membranes receive an impulse to return to an undeflected state.
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