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Manufacturing method for micro-miniature atomic air chamber

A technology of atomic gas chamber and manufacturing method, which is applied to instruments using atomic clocks, etc., can solve the problems of low stress, low optical precision of clear surface, difficult ultra-high vacuum processing, etc., and achieves low force, high optical quality of smooth surface, High air tightness effect

Inactive Publication Date: 2016-05-18
BEIJING AUTOMATION CONTROL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The optical precision of the light-transmitting surface achieved by micromachining is low, and there is an instantaneous high temperature in the bonding process, and stress is easily generated in the material during the cooling process. The gas and atomic components in the gas chamber are impure, which affects the final accuracy of subsequent devices
Therefore, it is difficult to meet the technical requirements of high-precision atomic devices for gas chambers only by improving the process on the basis of existing technical solutions. It is necessary to design a new glass bulb manufacturing method to complete high-precision, low-stress, high-purity gas chambers. make

Method used

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  • Manufacturing method for micro-miniature atomic air chamber
  • Manufacturing method for micro-miniature atomic air chamber

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Embodiment 1

[0024] A manufacturing method of a miniature atomic gas chamber, comprising the following steps:

[0025] Step 1. Material selection and cutting

[0026] Assume that the length, width and height of the external dimensions required by the gas chamber are respectively a, b and h, the definitions of the length, width and height of the external dimensions of the gas chamber can be exchanged arbitrarily in this embodiment, the wall thickness of the gas chamber is l, and the exhaust If the inner diameter of the trachea is d, the plate glass with a thickness of l is selected as the raw material, and the raw plate glass is cut into specifications of a×(h-2l)×l, (b-2l)×(h-2l)×l and a × b × l parts, such as figure 2 As shown, there are at least two parts of each specification, and any specification part is selected, and a hole is opened in the center of half of the selected specification parts. In this embodiment, half of the specifications are selected as a × b × l part size a A thr...

Embodiment 2

[0038] A manufacturing method of a miniature atomic gas chamber, comprising the following steps:

[0039] Step 1. Material selection and cutting

[0040] Assume that the length, width and height of the external dimensions required by the gas chamber are respectively a, b and h, the definitions of the length, width and height of the external dimensions of the gas chamber can be exchanged arbitrarily in this embodiment, the wall thickness of the gas chamber is l, and the exhaust The inner diameter of the trachea is d. Select flat glass with thickness h-2l and l as raw material, cut the raw material flat glass with thickness h-2l into a square frame part with cross-sectional size a×b, height h-2l, and wall thickness l, The raw material flat glass with a thickness l is cut into a bottom part with a dimension specification of a×b×l, and the ratio of the number of the square frame part to the bottom part is 1:2. And make a hole in the center of either side of the box part, or in t...

Embodiment 3

[0052] A manufacturing method of a miniature atomic gas chamber, comprising the following steps:

[0053] Step 1. Material selection and cutting

[0054] Assume that the length, width and height of the external dimensions required by the gas chamber are respectively a, b and h, the definitions of the length, width and height of the external dimensions of the gas chamber can be exchanged arbitrarily in this embodiment, the wall thickness of the gas chamber is l, and the exhaust If the inner diameter of the trachea is d, the flat glass with thickness h-l and l is selected as the raw material, and the raw flat glass is cut into a square box with cross-sectional size a×b, height h-l, wall thickness l and no upper bottom shaped parts, and a bottom part whose size is a×b×l, and the ratio of the number of the square box-shaped parts to the bottom part is 1:1. And open a hole in the center of any side of the square box-shaped part, or the center of the bottom part. In this embodimen...

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Abstract

The invention belongs to the technical field of atomic air chambers, and specifically relates to a manufacturing method for a micro-miniature atomic air chamber. The method comprises steps of material selecting and cutting, assembly polishing, assembling, surface polishing, exhaust pipe installation, and subsequent processing. The technical problem the method solves is that an atomic air chamber manufactured by an existing manufacturing method for a micro-miniature atomic air chamber cannot satisfies high-precision, low-stress, and high-purity technical requirements of a high-precision atomic component on the air chamber. The method realizes manufacturing of an air chamber glass bulb in high optical quality of a light transmission surface, low stress, and high air tightness.

Description

technical field [0001] The invention belongs to the technical field of atomic gas chambers, and in particular relates to a manufacturing method of a miniature atomic gas chamber. Background technique [0002] The atomic gas chamber is the core working part of the atomic device. It seals a certain amount and composition of gas and alkali metal atoms in a certain shape of the light-transmitting shell. According to the different uses of the gas chamber, the composition and pressure of the gas are different. The types of alkali metals are also different, but as an atomic gas chamber, in order to facilitate the regulation of the atoms in the gas chamber by external light, heat, magnetic field, etc., the technical requirements include: high optical processing accuracy of the light-transmitting surface, high sensitivity to specific wavelengths Light transmittance and low material internal stress, etc.; good air tightness, so as to ensure high purity of internal gas components, accu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G04F5/14
Inventor 郑辛王宇虹汪世林秦杰裴强高溥泽韩文法杨磊孙晓光
Owner BEIJING AUTOMATION CONTROL EQUIP INST
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