About TAKEUCHI M
About Tohoku Univ., Sendai, JPN
About ODAGAWA H
About Tohoku Univ., Sendai, JPN
About YAMANOUCHI K
About Tohoku Univ., Sendai, JPN
About Electronics Letters
About ultrasonic transducer
About Acoustic signal processing
About 単相
About 一方向性
About 変換器
About 結晶方位