Detection Content

Detection Purpose: Test coating, film thickness

Detection range: Thickness of metal coating, oxide layer, coating, electroplating, etc

       Film thickness test is applied to on-line film thickness measurement, oxide measurement, SiNx, photosensitive protective film and semiconductor film. It can also be used to measure rough film coating on steel, aluminum, copper, ceramics and plastics. Film surface or interface with the reflected light from the basement of the reflected light interference, the occurrence of interference with the film thickness and refractive coefficient and so on, thus can be obtained by calculating the thickness of the film, optical interference method is a nondestructive, precise and fast optical thin film thickness measurement technology, film measuring system on the principle of optical interference measuring film thickness.