References to Other Related Applications
黃茂坤 (1996) 工業用超音波檢測實務彙編，中船公司高雄總廠訓練中心。
Chiang, C-H. (1995) Acoustic microscope: review of progress in materials characterization. NDT Science and Technology Vol. 13 (9-10) pp. 246-251. (In Chinese)
Evaluation characteristics pf Pulse echo ultrasonic testing system, CNS 11224 Z 8053.