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http://dx.doi.org/10.5050/KSNVN.2008.18.11.1128

Surface Acoustic Wave Sensor Using Electroactive Paper(EAPap)  

Lee, Min-Hee (인하대학교 대학원 기계공학과)
Kim, Joo-Hyung (인하대학교 기계공학과)
Kim, Jae-Hwan (인하대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.18, no.11, 2008 , pp. 1128-1133 More about this Journal
Abstract
Cellulose based electroactive paper(EAPap) has been developed as a new smart material due to its advantages of piezoelectricity, large displacement, low power consumption, low cost and flexibility. EAPap can be used for a surface acoustic wave (SAW) device using the piezoelectric property of EAPap, resulting in the cost effective and flexible SAW device. In this paper, inter digit transducer(IDT) structure using lift-off technique with a finger gap of 10mm was used for micro fabrication of the cellulose EAPap SAW devices. The performance of IDT patterned SAW device was characterized by a Network Analyzer. The feasibility of cellulose EAPap as a potential acoustic device was presented and explained.
Keywords
Electroactive Paper; Piezoelecticity; Surface Acoustic Wave; SAW Velocity; Inter Digit Transducer; Lift-off process; Insertion Loss;
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