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ZnSe semi-cylindrical mirror development process

A semi-cylindrical mirror and process technology, applied in optics, instruments, optical components, etc., can solve the problems of not being able to achieve a complete semi-circle, eccentricity cannot be guaranteed, and cutting is difficult, and achieve cost savings, damage avoidance, and consistent consumption. Effect

Inactive Publication Date: 2019-06-21
合肥嘉东光学股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention will be explained in detail with ZnSe cylindrical mirror, and the product is a semi-cylindrical with a size of R12.7*12.7 thick*25.4 wide. Conventional processing has the following problems: the conventional semi-cylindrical base material is expensive, and the precision cannot be guaranteed and processed semi-cylindrical The product can be processed into a round bar first and then cut, but the ZnSe material is soft, it is difficult to cut, and it is easy to damage the processed optical surface. The product has an eccentric requirement. Because the product is a semi-cylindrical, the fine grinding process can easily cause uneven consumption. It cannot achieve a complete semicircle, and the eccentricity cannot be guaranteed

Method used

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  • ZnSe semi-cylindrical mirror development process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1: as figure 1 , ZnSe semi-cylindrical mirror development process diagram, including the following steps:

[0037] S1, according to the product size (R12.7*12.7*25.4), select the corresponding mirror base material, the size is 28*27*14, there is no strict requirement.

[0038] S2, the base material is processed into a disk, and the ring grinding process can ensure the size consistency of the entire disk, and process 6 surfaces separately.

[0039] S3, ring polished 27*25.4 surface, the size is 27*25.4*13.5 (0 / -0.005), and the aperture is guaranteed to be good (finally the product S2 surface).

[0040] S4, take two semi-finished products completed by ring polishing, and glue the two polished surfaces (27*25.4) with photosensitive glue to ensure the smoothness of the plane. After gluing, the size of the semi-finished product is 27*27*25.4; D27 left and right plano-convex lenses.

[0041] S5, edging: Use the convex surface of the plano-convex lens as the posi...

Embodiment 2

[0045] Embodiment 2: as figure 2 In the above S2, take two pieces of semi-finished products completed by ring polishing, and glue the two polished surfaces (27*25.4) with photosensitive adhesive to ensure a good surface finish. The size of the semi-finished product after gluing is 27*27*25.4; Glue one D27 left and right plano-convex lenses.

Embodiment 3

[0046] Embodiment 3: as image 3 The edging in S5 uses the convex surface of the plano-convex lens as a schematic diagram of the positioning surface, edging to the size of the outer diameter D25.6 (0 / -0.02); (the lens is in contact with the edging fixture, the positioning is stable, and it is convenient for edging processing).

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Abstract

The invention discloses a ZnSe semi-cylindrical mirror development process. The invention provides the ZnSe semi-cylindrical mirror development process in order to overcome the defects existing in theprior art. The ZnSe semi-cylindrical mirror development process includes the following steps that S1, according to the product size (R12.7*12.7*25.4), a corresponding face mirror base material is selected for use, and the size is 28*27*14; S2, disk forming for machining the base material is performed, the whole disk size consistency can be guaranteed well due to ring grinding machining, and six surfaces are machined; S3, ring polishing of the 27*25.4 face is performed till the size is 27*25.4*13.5(0 / -0.005); S4, two semi-finished products where ring polishing is completed are taken, the two polished faces (27*25.4) are glued with photosensitive glue, the plane finish degree is guaranteed well, and the size of the semi-finished products after being glued is 27*27*25.4, edge grinding is performed, and edge grinding is performed till the outer diameter D25.6(0 / -0.02) size is achieved; and S7, the two products are dismantled, the plane photosensitive glue is removed, disk feeding is performed, low polishing machining of a product cylindrical face is performed, and the client requirement is met; and the product consumption size is consistent before polishing, and the polishing machining size consumption is about 0.02; and S8, disk discharging is performed, cleaning is performed, edge chamfering is performed, and a product is completed. The ZnSe semi-cylindrical mirror development process utilizes a conventional cuboid base material, and cost is effectively saved.

Description

technical field [0001] The invention relates to the technical field of mirror development, in particular to a development process of a ZnSe semi-cylindrical mirror. Background technique [0002] ZnSe is a direct bandgap II-IV semiconductor with a face-centered cubic structure and excellent physical and chemical properties. It can be used to manufacture blue light semiconductor laser devices, photodetector devices, nonlinear optical devices, waveguide modulators, etc.; at the same time, it is an excellent infrared material. , is the material of choice for infrared lenses, laser windows, and thermal imaging cameras. ZnSe lenses can be processed by classical polishing methods, and ZnSe windows can be processed by double-sided polishing or ring polishing. Lenses and windows are widely used, but for optical cold processing of products, processing is more difficult. The present invention will be explained in detail with ZnSe cylindrical mirror, and the product is a semi-cylindric...

Claims

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Application Information

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IPC IPC(8): B24B1/00G02B1/02
Inventor 胡卫东王冬李远哲
Owner 合肥嘉东光学股份有限公司
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