略語大辞典 [Opt] 22 IDT inter-digital transducer 交叉指状電極. 弾性表面波デバイスの電極構造.inter-digital transducer; an electrode for SAW (surface acoustic wave) devices; [Opt:L:Phys:C]. 丸善「略語大辞典」JLogosID : 11878079