PLANAR ULTRASONIC TRANSDUCERS USING LiTaO3 POLED WITH INTERDIGITAL ELECTRODES.

被引：0
|
作者：
Nakamura, Kiyoshi [1 ]
Shimizu, Hiroshi [1 ]
机构：
[1] Tohoku Univ, Sendai, Jpn, Tohoku Univ, Sendai, Jpn
来源：
Japanese Journal of Applied Physics, Supplement | 1985年 / 25 suppl 25-1卷
关键词：
ACOUSTIC BULK WAVE DEVICES - FERROELECTRIC MATERIALS - Ultrasonic Applications;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
It is demonstrated that an array of alternating polarity antiparallel domains can be formed along the surface of a LiTaO//3 crystal by poling with interdigital electrodes on the surface. Combination of the domain array and the interdigital electrodes can be utilized for generation and reception of bulk waves propagating in the direction normal to the surface. The characteristics of such ultrasonic transducers are reported.
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页码：139 / 141
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