Chinese Journal of Lasers, Volume. 35, Issue 6, 947(2008)
Testing Method of the Laser Scratching Based on Image Acquisition System
A new detecting method of infrared laser scratching is presented to estimate the bond strength of film-substrate interface. The infrared laser constinuously works on the sample film. The scratching images of the film-substrate interface are obtained by vidicon, and are prepared to be used after Matlab disposal. At the same time, the temperature apparatus system detects the temperature of sample surface in real time. The temperature of sample surface and the scratching image are detected by signal detection system in order to estimate the bond strength of film-substrate interface.
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Yin Sumin, Cheng Chang, Feng Aixin, Zhao Rongchun, Liu Suxia. Testing Method of the Laser Scratching Based on Image Acquisition System[J]. Chinese Journal of Lasers, 2008, 35(6): 947
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