Acoustic ejection of fluids from a plurality of reservoirs

Details Acoustic ejection of fluids from a plurality of reservoirs Acoustic ejection of fluids from a plurality of reservoirs

2005-09-06

2005-09-06

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

06938987

ABSTRACT:
The present invention provides a method and device for the acoustic ejection of fluid droplets from each of a plurality of fluid-containing reservoirs. The droplets are ejected toward sites on a substrate surface for deposition thereon. The device is comprised of: a plurality of reservoirs each adapted to contain a fluid; an ejector comprising a means for generating acoustic radiation and a means for focusing the generated acoustic radiation so as to eject fluid droplets from the reservoir fluids; and a means for positioning the reservoirs in acoustically coupled relationship to the ejector. The invention is useful in a number of contexts, particularly in the preparation of biomolecular arrays.

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