发明名称 PRODUCTION METHOD OF ELECTRONGUN FOR CATHODE RAY TUBES
摘要 PURPOSE:To obtain an electron gun with high accuracy, by eliminating flashes, return and so on, through perforating if, after reciprocally fixing the part which perforates the beam transmitting hole of the electron beam formation use electrode.
申请公布号 JPS5231656(A) 申请公布日期 1977.03.10
申请号 JP19750106939 申请日期 1975.09.05
申请人 HITACHI LTD 发明人 NAKAJIMA KOUICHI
分类号 H01J9/14;H01J9/18;H01J29/48 主分类号 H01J9/14
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