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Metal mirror and method of making the same

The technology of a metal reflector and its manufacturing method is applied in the field of reflectors and can solve the problems of low weight reduction rate and the like

Active Publication Date: 2021-08-20
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the light weight rate of the lightweight structure of the mirror is low

Method used

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  • Metal mirror and method of making the same
  • Metal mirror and method of making the same
  • Metal mirror and method of making the same

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Embodiment Construction

[0042] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0043] like figure 1 and Figure 5 As shown, a metal mirror includes a closed base body 1, a mirror surface 2 disposed on one end surface of the base body 1, a sandwich lightweight structure inside and a back plate 4 on the other end surface; the mirror surface 2 includes surface modification Layer 11 , reflective layer 12 and protective layer ...

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Abstract

The invention discloses a metal reflection mirror, which comprises a closed base body, a mirror surface arranged on one end surface of the base body, an internal interlayer lightweight structure and a back plate on the other end surface; the mirror surface includes a surface modification layer, a reflection layer and a protective layer, the protective layer is the outermost layer; the sandwich lightweight structure includes a plurality of cavities and through holes connected through the cavities. The use of additive manufacturing processing technology makes the interlayer lightweight structure in the metal mirror more flexible, so that the metal mirror not only meets the high rigidity design of the mirror, but also reduces the weight of the metal mirror because of the sandwich lightweight structure, and is an integrated design. The design of the surface modification layer makes the accuracy defined as the RMS value of the deviation from the ideal surface better than 1 / 10λ, λ=632.8nm; the design of the transition layer enhances the chemical and mechanical durability of the metal mirror and improves the metal mirror Bond strength between substrate and surface modification layer.

Description

technical field [0001] The invention relates to the field of mirrors, in particular to a metal mirror. Background technique [0002] Catadioptric optical systems are widely used in fields such as aerial surveying and remote sensing. With the rapid development of aviation science and technology, the catadioptric optical system of airborne photoelectric remote sensing equipment is developing towards the direction of dexterity, light weight and high resolution, which puts forward higher requirements for the volume and weight of the catadioptric optical system. With the ever-increasing demand for practicality and rapidity of catadioptric optical systems, it is becoming more and more important to research optical components that can meet the requirements for use in various wavelength bands. [0003] At present, small and medium-caliber metal mirrors through traditional machining methods are gradually being used in catadioptric optical systems, which have the advantages of good p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/08G02B1/14
CPCG02B5/0808G02B1/14
Inventor 谭淞年许永森
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI