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公开(公告)号:US07009333B2
公开(公告)日:2006-03-07
申请号:US10678071
申请日:2003-10-06
申请人: Cheol Ho Hwang , Moon Sik Kim , Ki Tae Kim , Dong Young Kim
发明人: Cheol Ho Hwang , Moon Sik Kim , Ki Tae Kim , Dong Young Kim
IPC分类号: H01J29/50
CPC分类号: H01J29/488 , H01J29/563 , H01J2229/4865
摘要: A cathode ray tube with a reduced beam spot size on a fluorescent screen is obtained by forming electron beam passing holes on the electrodes composing a triode portion of an electron gun to have horizontally and vertically asymmetric shapes.
摘要翻译: 通过在构成电子枪的三极管部分的电极上形成电子束通孔,获得具有水平和垂直不对称形状的荧光屏上具有减小的光斑尺寸的阴极射线管。