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近来研制成功一台智能化THSAM－7型声显微镜，提高灵敏度，改进测试技术，其工作频率为5—100MHz，系统总增益100db，成功地进行了硬质含金零件检测，得到一些有益结果，这说明THSAM－7型声显微镜适用手硬质合金等特高声阻抗材料零件的无损检测．
Recently, we have successfully developed an intelligent THSAM-7 type acoustic microscope to improve the sensitivity and improve the testing technology. The operating frequency is 5-100MHz and the total system gain is 100db. The successful detection of hard gold-containing components has yielded some beneficial results, This shows THSAM-7-type acoustic microscope for hard materials such as ultra-high-impedance acoustic material non-destructive testing.