![]() ![]() The hollow cathode lamp is mainly composed of a glass lamp casing, a base seat, a plane light window, a main cathode, an auxiliary cathode and a public anode, the base seat is arranged at one end of the glass lamp casing, the plane light window is arranged at other end of the glass lamp casing, the main cathode, the auxiliary cathode and the public anode are positioned in the glass lamp casing, the public anode is cylindrical and is fixed on the core column of the base seat through a connecting tungsten wire sleeved with a shielding porcelain tube the main cathode is fixed on the core column of the base seat through a connecting nickel wire shielded by a ceramic tube the public anode is positioned on an identical axle center line below the main cathode, a shielding device with the shape conforming to the shape of the public anode is arranged outside the public anode the auxiliary cathode is fixed at the side part of the upper end of the main cathode, the axle center line of the auxiliary cathode is vertical with the main cathode and is fixed on the core column of the base seat through the connecting nickel wire shielded by the ceramic tube, and a shielding device with the shape conforming to the shape of the auxiliary cathode is arranged outside the auxiliary cathode. The utility model relates to a hollow cathode lamp, which belongs to the light source device used for test and analysis. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Beijing General Research Institute for Non Ferrous Metals filed Critical Beijing General Research Institute for Non Ferrous Metals Priority to CNU200720190141XU priority Critical patent/CN201122572Y/en Application granted granted Critical Publication of CN201122572Y publication Critical patent/CN201122572Y/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Beijing General Research Institute for Non Ferrous Metals Priority date (The priority date is an assumption and is not a legal conclusion. ![]() National standard (Beijing) inspection & Certification Co., Ltd. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 郭增华 郑永章 马贺英 张敏 郭长礼 李中建 张宁 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number CNU200720190141XU Other languages Chinese ( zh)
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