Production process of cathode-ray tube
专利汇可以提供Production process of cathode-ray tube专利检索，专利查询，专利分析的服务。并且PURPOSE:To prevent the generation of neck luminescence (Braun-spot), by conducting a mount knocking treatment prior to the sealing process of an electron gun structure and by removing a generating source of a stray emission coming from the electrode at the low voltage side of a finished electric lamp. CONSTITUTION:In the figure, in a process 2 after assembling an electron gun structure, only the electrode at the low-voltage side of this electron gun structure is previously subjected to a spot knocking treatment in an outer vacuum air- tight room, where the peripheral surface of said electrode is cleaned; said electrode proceeds via the mounting knocking process 8. In the next process 3, said electrode is sealed at the opening end of a neck tube of a bulb assembling body, then is subjected to a conventional process same as before in order to complete a cathode-ray tube. Thus, the generation of intermittent spark due to a so-called Braun-spot accompanied by neck luminescence after finishing an electric lamp can be prevented surely and completely by conducting the knocking treatment any by removing previously stray-emission generating source located around a low-voltage electrode and its peripheral area.，下面是Production process of cathode-ray tube专利的具体信息内容。
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