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If the optical filter surface because the long-term use of residual stains

by:HENGXIANG     2020-11-16
All of the filter are precision optical components, should be carefully take put as much as possible, as far as possible not to touch the surface. If the surface of the filter because the long-term use of residual stains, cleaning advice according to the following way: 1, with appropriate pressure oil free air or nitrogen to remove surface dust, etc. 2, wear clean gloves, finger with anhydrous ethanol ( Or a similar function of solvent) Drag soaked wet towel, towel edge of ethanol, on the surface of the filter of the single direction. As hard as they can in the process of wiping lighter, too much pressure may damage the surface of the filter. Dissolve the surface of the filter is the purpose of using solvent residues in viscous attachments. Interference filter surface membrane layer strength as substrate. Should foresee any cleaning are likely to reduce the surface level at the micro level. Color filter for many people is a relatively new concept, as if with our daily life is some far, but it is not. Look carefully around, we will find life is closely connected with filter: in many ways such as vision correction of myopia have minus reflection filter on the mirror, car mirrors with high reflection filter, widely used in the business office projector core components but also brings together a variety of filters, went to the hospital to check body using biochemical detector is one of the core parts of monochromator many are using narrowband filter, digital camera is used in the long wave pass filter, short wave pass filter, all kinds of optical instruments, liquid crystal displays and money anti-counterfeiting technology, optical communication, laser technology and so on all is closely connected with the development of filter technology. Can say no filter technology as the foundation, the development of many modern emerging technologies are difficult to obtain the present achievements. Filter means on the optical element or independent of the substrate coated with a layer or multilayer dielectric coating or metal film to change the characteristics of light transmission. Use as well as the characteristics of light waves in the thin film transmission phenomenon, such as transmission, absorption, scattering and reflection, polarization, phase change, etc. , and then design and manufacture all kinds of filter products to meet the application of science and engineering purpose. Manufacturing filter technology is a complex engineering, involves many professional technology, including vacuum technology, the dragon measurement technology, computer aided design technology, optical properties testing technology, electronic circuit technology, material properties and preparation technology, etc. Relevant tags: optical filter
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