The invention relates to a cathode element for a microfocus x-ray tube comprising a heatable filament made of wire for thermionically emitting electrons to form an electron beam. The filament has an elongated extension (11, 12) in each of two directions perpendicular to the electron beam in a source area of the electron beam.
申请公布号
WO2011124237(A1)
申请公布日期
2011.10.13
申请号
WO2010EP02223
申请日期
2010.04.09
申请人
GE SENSING & INSPECTION TECHNOLOGIES GMBH;NEUSER, EBERHARD;SCHMITT, ANDREAS;SPERNER, WOLFGANG
发明人
NEUSER, EBERHARD;SCHMITT, ANDREAS;SPERNER, WOLFGANG
