Surface protective coating method for optical glass
A technology of optical glass and protective film, which is applied in optics, optical components, optical filters, etc., can solve the problems of equipment performance not being improved, achieve the effects of improving absorption, enhancing safety, and solving low light transmittance
Inactive Publication Date: 2022-06-28
SHENZHEN RUI EURO OPTICAL ELECTRONICS CO LTD
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Problems solved by technology
[0003] In order to filter the characteristic spectrum, the band-rejection filter or band-suppression filter needs to sacrifice some light transmittance, and the reduction of light transmittance will cause the equipment supporting the filter to suffer from poor performance due to light problems. less than promotion
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[0026] In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0027] It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein.
[0028] In the description of this specification, reference to the terms "an example," "one example," "one embodiment," and the like, means that a particular feature, structure, material, or characteristic described in connection with the ex...
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Abstract
The invention discloses a surface protection coating method of optical glass, which comprises a substrate, the substrate is provided with a spectral region, and the spectral region is divided into a transmission region and a reflection region; the reflection area is the middle of the substrate, and the transmission areas are arranged on the two sides of the reflection area of the substrate; the method comprises the following steps that S1, the surface, needing to be coated, of a substrate is subjected to preorder treatment; s2, plating a reflecting film on the reflecting region; s3, the surface of the transmission area is subjected to corrugation removing treatment; s4, plating a refraction film on the transmission area; s5, plating a layer of light-transmitting film on the section of the refraction film; s6, plating a protective film on the spectral region of the substrate; in the step S5, the light-transmitting film comprises a pasting and covering area and a light-transmitting area, and the pasting and covering area and the light-transmitting area are formed alternately. The pasting film layer of the pasting area and the film coating surface of the substrate are in a vacuum shape, and a gap is formed between the light-transmitting film layer of the light-transmitting area and the film coating surface of the substrate.
Description
technical field [0001] The invention relates to the field of coating, in particular to a surface protection coating method for optical glass. Background technique [0002] At present, a band-stop filter or a band-rejection filter refers to a filter that has a concave spectral characteristic through the light of a given wavelength with a cut-off characteristic, and transmits as much spectrum as possible in the remaining wavelength bands. It is a relatively cut-off filter, which is mainly used to eliminate or reduce specific light and enhance other spectral energy; [0003] In order to filter the characteristic spectrum, the band-stop filter or the band-suppression filter needs to sacrifice some light transmittance, and the reduction of the light transmittance will cause the equipment with the filter to have poor performance due to light problems. Not ascension. SUMMARY OF THE INVENTION [0004] In order to solve the deficiencies in the prior art, the present invention pro...
Claims
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IPC IPC(8): G02B5/20G02B5/26G02B1/10C23C14/35C23C14/08C23C14/06
CPCG02B5/20G02B5/26G02B1/10C23C14/35C23C14/083C23C14/08C23C14/0641
Inventor 沈福根沈培英黎名举
Owner SHENZHEN RUI EURO OPTICAL ELECTRONICS CO LTD