Martin Marietta 公司正在研制一种利用激光束反射和涡流传感测量金属基片上非导体涂层厚度的装置(图5)。该装置包括自动喷涂和探测系统,能测量热绝缘涂层,油漆和其它各种防护层,并能控 Martin Marietta is developing a device that uses laser beam reflection and eddy current sensing to measure the thickness of non-conductor coatings on metal substrates (Figure 5). The unit includes automatic spraying and probing systems that measure heat-insulative coatings, paints and other protective layers and control