Microfluidic printing with controlled density

Details Microfluidic printing with controlled density Microfluidic printing with controlled density

1997-10-03

1999-11-09

Le, N.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2005

Patent

active

059824018

ABSTRACT:
A microfluidic printing system for delivering ink to a receive including at least one ink reservoir, a structure defining a plurality of chambers arranged so that the chambers from an array with each chamber being arranged to form an ink pixel for delivery to the receiver, and a plurality of microchannels connecting the reservoir to the chambers. The printing system further includes a plurality of microfluidic pumps each being associated with a single microchannel for supplying ink from an ink reservoir through a microchannel for delivery to a particular chamber. The system is responsive to the flow of the ink through the chambers to determine the amount of ink being delivered to a receiver through the chambers, and further controls the microfluidic pumps to prevent the further flow of ink to the receiver.

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patent: 5585069 (1996-12-01), Zanzucchi et al.
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patent: 5603351 (1997-02-01), Cherukuri et al.
patent: 5611847 (1997-03-01), Guistina et al.
patent: 5745128 (1998-04-01), Lam et al.
"Electroosmosis: A Reliable Fluid Propulsion System for Flow Injection Analysis", Anal. Chem. 66, pp. 1792-1798 (1994).

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