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Space travelling wave tube collector component and assembly method thereof

An assembly method and a collector technology, which are applied in the manufacture of time-of-flight electron tube collectors and non-luminescent electrodes, can solve the problems of difficult to ensure the assembly quality of the traveling wave tube collector assembly, affecting the assembly quality of the traveling wave tube assembly, It is difficult to guarantee the performance of traveling wave tube products, etc., to achieve the effects of reducing aging time, easy processing quality, and good plasticity

Inactive Publication Date: 2012-12-05
HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE
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  • Abstract
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AI Technical Summary

Problems solved by technology

First of all, pure molybdenum will crystallize at 1000°C. Once crystallized, the material will become brittle and affect the quality of TWT parts. Therefore, the temperature should not be too high during annealing and degassing, and it is difficult to ensure the assembly quality of TWT; Secondly, ceramic cracking will occur when molybdenum is directly brazed with ceramic rods, which further affects the assembly quality of traveling wave tube components; finally, when molybdenum is brazed with insulating ceramics, an electroplated nickel layer is required, and annealing is required before electroplating, and once Only a nickel layer of 3 microns can be electroplated, and annealing is required for each electroplating; the electroplating process is relatively complicated, and it is difficult to ensure the assembly quality of the collector assembly of the traveling wave tube, and it is difficult to guarantee the performance of the traveling wave tube product

Method used

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  • Space travelling wave tube collector component and assembly method thereof
  • Space travelling wave tube collector component and assembly method thereof
  • Space travelling wave tube collector component and assembly method thereof

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the collector assembly of the traveling wave tube includes a collector inner core 3 and a collector sleeve 1, the collector inner core 3 is arranged inside the collector sleeve 1, and the collector inner core 3 and the collector sleeve 1 Insulating ceramics 2 are provided between them, and the collection level inner core 3 is made of oxygen-free copper material.

[0028] One side of the insulating ceramic 2 is brazed with the collector inner core 3; the other side of the insulating ceramic 2 is brazed with the collector slee...

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Abstract

The invention discloses a space travelling wave tube collector component and an assembly method thereof. The space travelling wave tube collector component comprises a collector inner core 3 and a collector outer barrel 1, the collector inner core 3 made of oxygen-free copper materials is arranged in the collector outer barrel 1, and an insulating ceramic 2 is arranged between the collector inner core 3 and the collector outer barrel 1. The space travelling wave tube collector component and the assembly method thereof have the advantages that assembly quality of the space travelling wave tube collector component can be guaranteed, and performances of travelling wave tube products can be further guaranteed.

Description

technical field [0001] The invention relates to the field of microwave electronic devices, in particular to a space traveling wave tube collector assembly and an assembly method thereof. Background technique [0002] The collector assembly of the traveling wave tube includes a collector sleeve and a collector inner core located inside the collector sleeve, and a collection-level insulating ceramic is arranged between the collector sleeve and the collector inner core; currently, for The collector core of the collector assembly of the traveling wave tube is made of molybdenum material, and molybdenum plays an important role in the traveling wave tube as the material of the electron tube, but this material has many disadvantages. First of all, pure molybdenum will crystallize at 1000°C. Once crystallized, the material will become brittle and affect the quality of TWT parts. Therefore, the temperature should not be too high during annealing and degassing, and it is difficult to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J23/027H01J9/14
Inventor 吴华夏郑君姜康李玉珍
Owner HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE
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