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Type: Conference paper
Title: Design and characterisation of micro-diaphragm for low power drug delivery applications
Author: Dissanayake, D.
Al-Sarawi, S.
Lu, T.
Abbott, D.
Citation: Proceedings of the SPIE, 2008, / Mehdi Ahmadian (ed.): pp. 69282P-69282P-8
Publisher: SPIE
Publisher Place: USA
Issue Date: 2008
Series/Report no.: Proceedings of SPIE
ISBN: 9780819471147
ISSN: 0277-786X
Conference Name: Active and Passive Smart Structures and Integrated Systems (2008 : San Diego, Calif.)
Editor: Ahmadian, M.
Statement of
Don W. Dissanayake, Said F. Al-Sarawi, Tien-Fu Lu, Derek Abbott
Abstract: Micro-fabricated diaphragms can be used to provide pumping action in microvalve and microfluidic applications. In this paper, a design for a micro-diaphragm that features low power and small area is presented. The diaphragm is actuated using a Surface Acoustic Wave (SAW) device that is interrogated from an RF signal to provide secure actuation operation. The micropump is targeted for in vivo nano-scale drug delivery and similar applications. For low power micropump operation, it is important to design the diaphragm with a higher flexibility while maintaining the stability. Analysis is carried out using ANSYS simulation tools with different design methods and materials. Results achieved from analytical and Finite Element Modeling (FEM) methods are compared and discussed to decide on optimal dimensions for the diaphragm.
DOI: 10.1117/12.790789
Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications

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