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公开(公告)号：EP3413331A1
公开(公告)日：2018-12-12
申请号：EP18174127.3
申请日：2018-05-24
IPC分类号： H01J35/06
CPC分类号： H01J35/06 , H01J2201/2803
摘要： A flat emitter 55 for uses within an x-ray tube is formed of an electron emissive material that includes one or more stress compensation features 300 capable of reducing the total stress in the flat emitter 55 due to thermal expansion and/or centrifugal acceleration force. The features of the emitter 55 for reducing the total stress in the flat emitter 55 are formed directly on the emitter, are formed on the support structure for the emitter and connected to the emitter, or a combination thereof.
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公开(公告)号：EP3624166A3
公开(公告)日：2020-07-22
申请号：EP19192416.6
申请日：2019-08-19
发明人： STEINLAGE, Gregory , MARCONNET, Andrew , DAMMU, Sandhya Abhivandana , LAMPE, Evan , EMACI, Edward , UTSCHIG, Michael , ALLEN, Donald , BROGAN, Richard
摘要： A pair of straight or angularly oriented flat emitters formed of an electron emissive material are positioned on an emitter support structure and are electrically connected to one another regardless of the mounting structure on which the emitters are positioned. The electrical connections between the emitters are formed directly between the emitters using electrically conductive material members that are placed between and affixed to the emitters to provide the electrical pathway or connection therebetween the emitters after formation of the emitters. These electrical connection members form an electrical connection between the angled pair of emitters separately from an emitter support structure on the cathode, such that the electrical connection members and angled emitters including the connection members can separate the mechanical architecture of the cathode assembly from the electrical architecture, thereby creating a simplified construction for the cathode assembly and associated x-ray tubes.
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公开(公告)号：EP3624166A2
公开(公告)日：2020-03-18
申请号：EP19192416.6
申请日：2019-08-19
发明人： STEINLAGE, Gregory , MARCONNET, Andrew , DAMMU, Sandhya Abhivandana , LAMPE, Evan , EMACI, Edward , UTSCHIG, Michael , ALLEN, Donald , BROGAN, Richard
摘要： A pair of straight or angularly oriented flat emitters formed of an electron emissive material are positioned on an emitter support structure and are electrically connected to one another regardless of the mounting structure on which the emitters are positioned. The electrical connections between the emitters are formed directly between the emitters using electrically conductive material members that are placed between and affixed to the emitters to provide the electrical pathway or connection therebetween the emitters after formation of the emitters. These electrical connection members form an electrical connection between the angled pair of emitters separately from an emitter support structure on the cathode, such that the electrical connection members and angled emitters including the connection members can separate the mechanical architecture of the cathode assembly from the electrical architecture, thereby creating a simplified construction for the cathode assembly and associated x-ray tubes.
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