Paper Title:
Fabrication of High Aspect Ratio SU-8 Microstructures on Piezoelectric Transducers
  Abstract

A methodology to fabricate high aspect ratio (HAR) SU-8 micro structures on piezoelectric and metallic substrates is presented. In this work, several fabrication trials were carried out to optimize the SU-8 fabrication process. The fabrication recipe mentioned in the SU-8 (Microchem, USA) datasheet is employed for the initial fabrication trials. The SU-8 structures (micropillars) fabricated during these trials resulted in poor bonding with the surface of piezoelectric substrate. In the later trials a thin film of OmniCoat (Microchem, USA) is coated over the substrate before coating the SU-8 film to improve the adhesion quality of the SU-8 micropillars to the substrate. The fabrication methodology used during the trails and results on the quality of the fabricated HAR SU-8 pillars are discussed in the paper.

  Info
Periodical
Chapter
Chapter 15: Meso/Micro Manufacturing Equipment and Processes
Edited by
Wu Fan
Pages
3127-3131
DOI
10.4028/www.scientific.net/AMM.110-116.3127
Citation
N. Ramakrishnan, H. B. Nemade, R. P. Palathinkal, "Fabrication of High Aspect Ratio SU-8 Microstructures on Piezoelectric Transducers", Applied Mechanics and Materials, Vols. 110-116, pp. 3127-3131, 2012
Online since
October 2011
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Price
$32.00
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