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High-leakproofness optical window

A high sealing and light window technology, applied in the direction of the measuring device shell, etc., can solve the problems of low bonding strength between the transparent window and the cover plate, and low sealing performance of the light window, so as to achieve high welding strength, improve air tightness, and ensure The effect of strength reliability

Inactive Publication Date: 2018-05-04
合肥晶鼎光电科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-seal light window. By adopting a groove-type design for the light window placement area, while ensuring the product volume is reduced, the strength and reliability of the light window in high vacuum are ensured, and the double sealing, Greatly improve the airtightness of the light window, the leak rate can reach 5×10 -10 Pa.m 3 / s, which solves the problems of low sealing performance of the existing light window, low bonding strength between the window and the cover plate, etc.

Method used

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0019] In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a sp...

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Abstract

The invention discloses a high-leakproofness optical window and relates to the technical field of sensor sealing. The window comprises a cover plate and a through window body, and a baseplate is arranged on one surface of the cover plate; an opening is formed in the baseplate; a groove is formed in the cover plate; the groove is communicated with the opening; the through window body is fixed to the opening of the baseplate; the through window body is fixedly welded to the interior of the groove through welding flux. According to the high-leakproofness optical window, a groove-type design is adopted for an optical window placement area, it is guaranteed that the size of the product is reduced, the strength reliability of the optical window at high vacuum is guaranteed at the same time, andthe high-leakproofness optical window has the advantages that the eutectic welding strength is high, two-time sealing is achieved, the air tightness of the optical window is greatly improved, and theleakage rate can reach 5*10-10 pa.m<3> / s.

Description

technical field [0001] The invention belongs to the technical field of sensor sealing, in particular to a high-sealing light window. Background technique [0002] Sensors are now the mainstream of development. Most sensors require optical windows, and the interior of many sensor cavities is a high-vacuum environment, so there are high requirements for the sealing and strength of the optical window. However, the problems in the prior art are that the sealing performance of the light window is not high, and the bonding strength between the window and the cover plate is not high. Thus affecting the production efficiency of the product and the overall performance of the product, seeking to design a high-reliability light window is the key point for existing sensor companies to improve product performance. Contents of the invention [0003] The purpose of the present invention is to provide a high-seal light window. By adopting a groove-type design for the light window placeme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D11/26
Inventor 王莹
Owner 合肥晶鼎光电科技有限公司
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