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J. Korean Ceram. Soc. > Volume 40(3); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(3): 225.
doi: https://doi.org/10.4191/kcers.2003.40.3.225
Bender Typed Piezoelectric Multilayer Actuator
Byung-Guk Ahn, Dong-Kyun Lee1, Deuk-Young Han2, Chong-Yoon Kang1, Ji-Won Park1, Hyun-Jai Kim1, Seok-Jin Yoon1
Advanced Materials Engineering, Chonbuk National University
1Thin Film Materials Research Center, Korea Institute of Science and Technology
2Department of Electrical Engineering, Konkuk University
ABSTRACT
A Bender typed Multilayer Actuator(BMA) for decreasing the depolarization effect was designed and fabricated. Unlike bimorph and multimorph actuators in which depolarization occurred, the BMA did not generate depolarization because the polarization and the electric field directions are the same. The simulated results indicate that higher displacement of the BMA can be achieved by increasing input voltage. Compared with the multimorph actuator, the proposed actuator is expected to extend a life time as well as acceptable voltage range.
Key words: Bender typed multilayer actuator, Bimorph, Multimorph, Depolarization
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