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Modeling and Design of an Optically Powered Microactuator for a Microfluidic Dispenser

[+] Author Affiliations
Mandar Deshpande, Laxman Saggere

University of Illinois at Chicago, Chicago, IL

Paper No. DETC2004-57630, pp. 1605-1615; 11 pages
doi:10.1115/DETC2004-57630
From:
  • ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 28th Biennial Mechanisms and Robotics Conference, Parts A and B
  • Salt Lake City, Utah, USA, September 28–October 2, 2004
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4695-4 | eISBN: 0-7918-3742-4
  • Copyright © 2004 by ASME

abstract

This paper presents the modeling and design of an optically powered piezolectric microactuator for application in actuating and dispensing small amounts of fluid from a novel microfluidic device. This work is motivated by an ongoing project towards the development of a novel retinal prosthesis that requires such a device. The microactuator treated in this paper comprises of a solar cell integrated with a piezoelectric microactuator consisting of an active piezoelectric layer and a passive silicon layer. An integrated model combining various components of the dispenser is derived and optimal dimensions of the microactuator are obtained so that the microfluidic dispenser meets the estimated application performance requirements.

Copyright © 2004 by ASME

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