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Polymer Constraint Effect for Electrothermal Bimorph Microactuators

Chu, Duc-Trinh and Lau, G. K. and Sarro, P. M. (2007) Polymer Constraint Effect for Electrothermal Bimorph Microactuators. Applied Physics Letters, 91 (10). pp. 101902-3.

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The authors report on the analysis of the polymer constraint effect and its use for a micromachined electrothermal bimorph actuator. The actuated displacement is enhanced due to the polymer constraint effect. Both the thermal expansion and apparent Young #x2019;s modulus of the constrained polymer blocks are significantly improved, compared with the no constraint case. The calculation that agrees well with experimental results provides the means to optimize the design of the constrained polymer stack electrothermal microactuator.

Item Type: Article
Uncontrolled Keywords: Young's modulus;microactuators;polymers;thermal expansion;0707Tw;0710Cm;8585+j;
Subjects: Electronics and Communications
Electronics and Communications > Electronics and Computer Engineering
ISI-indexed journals
Divisions: Faculty of Electronics and Telecommunications (FET)
Depositing User: Prof. Xuan-Tu Tran
Date Deposited: 31 Dec 2013 10:17
Last Modified: 12 Dec 2017 13:58

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