Microfluidic printing apparatus having transparent ink receiving

Details Microfluidic printing apparatus having transparent ink receiving Microfluidic printing apparatus having transparent ink receiving

1998-02-18

2000-03-14

Le, N.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2005

Patent

active

060379561

ABSTRACT:
A microfluidic printing apparatus including at least one ink reservoir; a structure defining a plurality of chambers arranged so that the chambers form an array with each chamber being arranged to form an ink pixel; and a plurality of microchannels connecting the reservoir to a chamber. The printing apparatus 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 for viewing; a moveable viewing and ink transfer assembly including a transparent lens and a transparent ink receiving element secured to the transparent lens, such assembly being effective in a first position for permitting a viewer to view an image and, in a second position, to cause ink to transfer from the chambers to the transparent ink receiving element; and the assembly is positioned after the ink has been transferred so as to be able to transfer ink from the transparent ink receiving element; and ink is transferred from the transparent ink receiving element to a receiver.

REFERENCES:
patent: 5585069 (1996-12-01), Zanzucchi et al.
patent: 5593838 (1997-01-01), Zanzucchi et al.
patent: 5603351 (1997-02-01), Cherukuri et al.
patent: 5611847 (1997-03-01), Guistina et al.
"Electroosmosis: A Reliable Fluid Propulation System for Flow Injection Analysis", by P. Dasgupta and S. Liu, Anal. Chem. 1994, vol. 66, No. 11, pp. 1792-1798.

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