What factors affect the adhesion strength of the filter film layer

We believe that a good filter not only needs to have a transmittance that meets customer needs, precise center wavelength of the filter, but also needs to have a consistent film layer firmness in order to be called a good filter. The temperature and surface state of the film during the coating process of the filter have a significant impact on the adhesion strength of the film; We can achieve completely different film adhesion strengths by designing filter film systems and using different filter coating deposition methods for the same film-substrate combination. Furthermore, we can control the deposition speed and the direction of particle incidence to affect the film adhesion strength of the filter.

Hanzhong Borisun Optics is committed to becoming a precision optical filter manufacturer with an efficient management team, excellent optoelectronic engineering research and development personnel, and a good after-sales service system. Years of experience in filter coating manufacturers can provide you with a wide range of filter selection options, providing you with stable delivery times and more guarantee for filter product selection in research and development

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ABOUT BORISUN

Hanzhong Brisun Optics Co., Ltd. Is the high precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings.

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