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US3780334A Vacuum tube for generating a wide beam of fast electrons 失效
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Vacuum tube for generating a wide beam of fast electrons
Abstract:
A vacuum tube for producing a wide high-uniformity beam of fast accelerated electrons. The tube comprises an evacuated enclosure provided with an electron transparent window and containing an elongated cathode, accelerator electrodes and a control electrode formed by sleeves electrically insulated from one another and brought to separately adjustable potentials.
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