LeeChih-KungWuWen-JongChenChuin-ShanHsiaoWen-HsinChengChih-ChiangTsouNien-TiHuangYao-TienLiuYuan-PingChen; Yu-YuanWangYen-ChiehCHUIN-SHAN CHEN2022-01-072022-01-072008https://scholars.lib.ntu.edu.tw/handle/123456789/591287Ultrasound transducer apparatuspatent