| 摘要 |
The proposed gas-discharge electron gun contains a metallic casing, a high voltage insulator, a concave cold cathode with efficient emitting surface, a hollow anode, and a waveguide with focusing and deflecting coils. The end surface of the anode is designed as a plate with an aperture for electrons and ducts for cooling water that are arranged around of the aperture. The ducts are connected with the manifold of the water-cooling system.
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