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Proceedings Paper

Miniature chemical and biomedical sensors enabled by direct-write microdispensing technology
Author(s): Donald J. Hayes; Patrick W. Cooley; David B. Wallace
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Paper Abstract

Precision micro-dispensing based upon ink jet technology has been used in medical diagnostics since the early nineties, and now is moving into a wide range of applications. Ink-jet printing technology can reproducibly dispense spheres of fluid with diameters of 15 to 100 μm (2pl to 5nl) at rates of 0 - 25,000 per second from a single drop-on-demand printhead. The deposition is non-contact, data-driven and can dispense a wide range of fluids. It is a key enabling technology in the development of Bio-MEMS devices, Sensors, Micro-fluidic devices and Micro-optical systems. In this paper, we will discuss the use of this technology for miniature chemical and bio-molecular sensors and will review in detail specific applications.

Paper Details

Date Published: 13 August 2004
PDF: 11 pages
Proc. SPIE 5416, Chemical and Biological Sensing V, (13 August 2004); doi: 10.1117/12.541039
Show Author Affiliations
Donald J. Hayes, MicroFab Technologies, Inc. (United States)
Patrick W. Cooley, MicroFab Technologies, Inc. (United States)
David B. Wallace, MicroFab Technologies, Inc. (United States)


Published in SPIE Proceedings Vol. 5416:
Chemical and Biological Sensing V
Patrick J. Gardner, Editor(s)

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