Electron gun structure for producing an electron beam free of radial velocity components wherein the length of the first non-magnetic cylinder is approximately equal to an integral number of wave lengths of the scallop frequency,申请号US19610111831-传众专利搜索

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发明名称	Electron gun structure for producing an electron beam free of radial velocity components wherein the length of the first non-magnetic cylinder is approximately equal to an integral number of wave lengths of the scallop frequency
摘要
申请公布号	US3215890(A)	申请公布日期	1965.11.02
申请号	US19610111831	申请日期	1961.05.22
申请人	ZENITH RADIO CORPORATION	发明人	BLUM ASHER S.
分类号	H01J3/02	主分类号	H01J3/02
代理机构		代理人
主权项
地址

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