Magnetic poles for magnetron
A magnetic pole and tube technology, used in magnetrons, discharge tubes, transit-time electron tubes, etc., can solve the problems of high production cost, complex structure, and troublesome installation, and achieve excellent performance, reduced production cost, and easy installation. Effect
Active Publication Date: 2006-07-26
GUANGDONG WITOL VACUUM ELECTRONICS MFR
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- Abstract
- Description
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Problems solved by technology
This structure has high production cost, complex structure, troublesome installation and low efficiency
Method used
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[0012] The structure diagram of the present invention is as figure 1 , 2 As shown, the magnetic pole 1 is made of rare earth permanent magnetic steel material.
[0013] In order to meet the requirements of use, the above-mentioned magnetic pole 1 is made into a structure in which the outside is in the shape of a disc 11 and the middle is in the shape of a frustum of cone 12 , and the center of the frustum of cone 12 is provided with a central hole 13 .
[0014] The schematic diagram of the structure of the vacuum tube that installs the new magnetic pole of the present invention is as image 3 As shown, its installation is simple and efficient.
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This invention relates to magnetic electrode, which is made of Rare earth permanent steel materials, wherein, the magnetic electrode is of disc shape by outside and its middle part is of tamper structure and the tamper part center is located with center hole. This invention uses magnetic electrode by use of rare each permanent steel materials to provide vacuum tube for needed magnetic field without extra magnetic iron.
Description
1. Technical field: [0001] The invention relates to a magnetic pole for a magnetron, which belongs to the transformation technology of the magnetic pole for a magnetron. 2. Background technology: [0002] The magnetic pole is one of the parts in the magnetron. At present, this kind of magnetic pole is stamped from a non-magnetic cold-rolled steel plate. When assembling the magnetron, since the magnetic pole is not magnetic, in order to provide the necessary magnetic field, it is necessary to add ferrite on both sides of the magnetic pole 1. Magnet 2, to generate a magnetic field, to provide a magnetic field for the work of the magnetron, its structure is as Figure 4 shown. The production cost of this structure is relatively high, and the structure is complicated, the installation is cumbersome, and the efficiency is low. 3. Contents of the invention: [0003] The object of the present invention is to provide a magnetron magnetic pole made of rare earth permanent magneti...
Claims
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IPC IPC(8): H01J25/50H01J23/00
Inventor 周汉用石志博池榕峰
Owner GUANGDONG WITOL VACUUM ELECTRONICS MFR