High-order harmonic absorber and high-frequency accelerating cavity
A technology of high-order harmonics and absorbers, which is applied in the direction of accelerators and electrical components, can solve the problems of peeling, insufficient contact of holding components, and inability to obtain cooling efficiency, etc., to achieve suppression of peeling, excellent cooling efficiency, and improved cooling efficiency Effect
Active Publication Date: 2020-09-25
MITSUBISHI HEAVY IND MACHINERY SYST LTD
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Problems solved by technology
[0008] However, when the harmonic absorber is mechanically joined by screwing or the like, the contact with the holding member may not be sufficient, and the desired cooling efficiency may not be obtained.
In addition, when the harmonic absorber and the holding member are bonded by bonding or the like, problems such as peeling may occur due to a difference in thermal expansion coefficient between the harmonic absorber and the holding member.
Method used
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no. 1 approach
[0061] figure 1 It is a sectional view showing an example of the high-frequency acceleration cavity 100 of the first embodiment. like figure 1 As shown, by inputting a high frequency into the high frequency acceleration cavity 100 , an accelerating electric field E is generated inside the high frequency acceleration cavity 100 to accelerate charged particles M such as electrons emitted from the line source 30 . The high-frequency accelerating cavity 100 includes a main body 10 and a harmonic absorber 20 .
[0062] The main body portion 10 has a cylindrical portion 11 and end plates 12 , 13 . The cylindrical part 11 and the end plates 12 and 13 are formed using a low resistivity metal material such as copper, for example. The cylindrical portion 11 and the end plates 12 and 13 are integrally provided by fixing members such as bolts, for example.
[0063] The cylindrical portion 11 has a waveguide 14 . The waveguide 14 is an input unit for inputting high frequency. The end...
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The invention provides an ultra-harmonics absorbent and high frequency accelerating cavity, which can inhibit adverse situation and have excellent cooling efficiency. The ultra-harmonics absorbent comprises an ultra-harmonics absorbing member; a covering member, which is made of an electric medium that allows the passing of ultra-harmonics and covers the absorbing member, wherein a space for flowing of a refrigerant is arranged between the covering member and the absorbing member; an assembling member, which seals the absorbing member and is arranged between a part of the high frequency accelerating cavity and the covering member; and a refrigerant flow path, which is arranged on at least one of the covering member and the assembling member, supplies the refrigerant to the space between the covering member and the absorbing member, and recovers the refrigerant from the space.
Description
technical field [0001] The invention relates to a high-order harmonic absorber and a high-frequency accelerating cavity. Background technique [0002] By inputting a high frequency into the high frequency acceleration cavity, an accelerating electric field is generated inside the high frequency acceleration cavity, thereby accelerating charged particles such as electrons. When there are more higher harmonics in the high frequency, the high frequency accelerating cavity may not be able to accelerate charged particles sufficiently. Therefore, a high-order harmonic absorber for absorbing high-order harmonics is arranged in the high-frequency accelerating cavity. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2015-76358 [0006] The problem to be solved by the invention [0007] The above-mentioned harmonic absorber generates heat by absorbing harmonics. Therefore, in order to cool the heat-generating harmo...
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IPC IPC(8): H05H7/18
CPCH05H7/18
Inventor 原博史
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD