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1.发明授权Method of electrocoating a heating member with a dark-coloured insulating layer and heating member for an indirectly heated cathode manufactured by said method 失效将具有暗色绝缘层的加热构件和由加热方法制成的间接加热阴极的加热构件电加热的方法
公开(公告)号：US3770601A
公开(公告)日：1973-11-06
申请号：US3770601D
申请日：1972-06-29
Applicant: PHILIPS CORP
Inventor： MAAN C , COLLARIS M , COENEN R
CPC classification number: H01J9/08
Abstract: A black second layer containing xylene, petrol and tungsten powder is provided on an unsintered first insulating layer of aluminium oxide and polyvinyl acetate of a filament of an indirectly heated cathode.
Abstract translation: 在间接加热的阴极的长丝的氧化铝和聚乙酸乙烯酯的未烧结的第一绝缘层上提供含有二甲苯，汽油和钨粉末的黑色第二层。
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