Method of detecting secondary electron charge in a cathode ray tube
作者： Hideo Kato
DOI:
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摘要: In a method for determining whether electronic charge has been accumulated on the inner surface of cathode ray tube (10), at least one electron beam is generated within and deflected so that it hits funnel (14) tube. The temperature portion measured compared with reference value. If greater than or equal to temperature, determined accumulated. below then beams have become switched off may not
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