X-ray tube and preparation method therefor

A technology of X-ray tube and ceramic shell, which is applied in the field of X-ray tube, can solve the problems of glass tube damage, poor pressure resistance performance of cold and heat alternating performance, affecting the yield and service life of the tube, etc., to ensure stable work, The effect of improving the vacuum degree in the tube

Active Publication Date: 2017-07-11
成都凯赛尔科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] At present, the X-ray tubes for security inspection are mainly glass tubes, and glass tubes have the common defects of glass tubes, such as impact resistance, cold and heat alternating performance and pressure resistance are not strong.
The glass tube is easily damaged during transportation and use, which affects the yield and service life of the tube

Method used

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  • X-ray tube and preparation method therefor
  • X-ray tube and preparation method therefor
  • X-ray tube and preparation method therefor

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Embodiment Construction

[0041] In order to describe the technical features and functions of the present invention in detail, and to implement them according to the content of this specification, the following further describes the implementation modes of the present invention.

[0042] figure 1 An exemplary embodiment of an X-ray tube among numerous embodiments of the invention is shown. The X-ray tube includes a focusing electrode 1 , a focusing electrode positioning piece 2 , a focusing cover 4 , a ceramic shell 5 , an anode 6 , a shielding cover 8 and a cathode 11 .

[0043] The ceramic housing 5 includes a cavity including a first portion 51 , a connecting portion 52 and a second portion 53 . The first part 51 is cylindrical. One end of the connecting portion 52 is connected to one end of the first portion 51 . The second part 53 is cylindrical, and one end of the second part 53 is connected to the other end of the connecting part 52 . The diameter of the first part 51 is greater than that of...

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Abstract

The invention discloses an X-ray tube, and the X-ray tube comprises a ceramic housing which comprises a cavity. The cavity comprises a first cylindrical part, a connection part with one end being connected with the first cylindrical part, and a second cylindrical part with one end being connected with the other end of the connection part. The diameter of the first cylindrical part is greater than the diameter of the second cylindrical part. The connection part enables the first and second cylindrical parts to be in smooth transition connection. The connection part and the first and second cylindrical parts are coaxial. The X-ray tube also comprises an anode which is sleeved by the second cylindrical part and is coaxial with the ceramic housing; a shielding cover which is sleeved by the other end of the first cylindrical part and is coaxial with the ceramic housing; and a cathode which is sleeved by the shielding cover. The X-ray tube is resistant to impact, and is high in hot and cold alternating performances and pressure resistance. The invention also discloses a preparation method for the X-ray tube, which can enable the X-ray tube to discharge gas more fully.

Description

technical field [0001] The invention relates to X-ray tube technology, in particular to an X-ray tube and a manufacturing method thereof. Background technique [0002] The X-ray tube contains two electrodes, an anode and a cathode, which are respectively used to receive the target material bombarded by electrons and the filament to emit electrons. Both electrodes are sealed in a high-vacuum housing. [0003] At present, the X-ray tubes for security inspection are mainly glass tubes, and glass tubes have the common defects of glass tubes, such as impact resistance, cold and heat alternating performance and pressure resistance are not strong. As a result, the glass tube is easily damaged during transportation and use, thereby affecting the yield and service life of the tube. [0004] Therefore, it is desired to seek a technical solution to at least alleviate the above-mentioned problems. Contents of the invention [0005] On the one hand, the technical problem to be solve...

Claims

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Application Information

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IPC IPC(8): H01J35/16H01J9/385H01J9/39
CPCH01J9/385H01J9/39H01J35/16
Inventor 刘斌张晓梅陈帅杨晓风
Owner 成都凯赛尔科技有限公司
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