Microfluidic printing without image reversal

Details Microfluidic printing without image reversal Microfluidic printing without image reversal

1997-07-28

1999-09-21

Le, N.

Recorders

Markers and/or driving means therefor

With ink supply to marker

347 8, B41J 1302

Patent

active

059560509

ABSTRACT:
A microfluidic printing apparatus including at least one ink reservoir; a moveable front plate of transparent material having a structure including a plurality of chambers arranged so that the chambers form an array which can be viewed by an observer, each such chamber being arranged to form an ink pixel; a plurality of microchannels connecting the reservoir to a chamber; 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 for viewing; apparatus for moving the front plate to a printing or ink disposal position; and apparatus for transferring the ink from the fill side of the chambers to a receiver when the front plate is in the printing position.

REFERENCES:
patent: 4485387 (1984-11-01), Drumheller
patent: 4675694 (1987-06-01), Bupara
patent: 5745128 (1998-04-01), Lam et al.

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