2nd Floor, Building 2, Yizhongli Science and Technology Park, No. 6 Langshan 1st Road, North District, High-tech Park, Nanshan District, Shenzhen
Beijing R&D Center
2nd Floor, Building 70, U-Central District, Liandong, Jinqiao Industrial Park, Tongzhou District, Beijing
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Multi-layer film, film composition, and substrate composition are fully tested
Coating thickness measurement has become an important part of the processing industry and surface engineering quality testing, and is a necessary means for products to achieve superior quality standards. In order to internationalize the products, China's export commodities and foreign-related projects have clear requirements for coating thickness.
The coating thickness measurement methods mainly include: wedge cutting method, optical cutting method, electrolysis method, thickness difference measurement method, weighing method, X-ray fluorescence method, β-ray back scattering method, capacitance method, magnetic measurement method and eddy current measurement method. and many more. The first five of these methods are lossy detection, and the measurement methods are cumbersome and slow, and are more suitable for sampling inspection.
The X-ray and β-ray methods are non-contact non-destructive measurement, and the measurement range is small. The X-ray method can measure extremely thin plating, double plating, and alloy plating. The beta ray method is suitable for coatings with coatings and substrates with an atomic number greater than 3. The capacitance method is only used when thickness measurement is applied to the insulating coating of a thin conductor.
With the advancement of technology, especially after the introduction of microcomputer technology in recent years, the X-ray coating thickness gauge has been further improved in the direction of micro, intelligent, multifunctional, high-precision and practical. With a resolution of 0.1 micron and an accuracy of 1%, it is the most widely used thickness measurement instrument for industrial and scientific research.
Coating thickness measurement
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