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1.发明授权Ion source having a hollow cylindrical permanent magnet maintained at a positive potential relative to the electron emitter 失效具有中空圆柱形永磁体的离子源相对于电子发射体维持在正电位
公开(公告)号：US3385965A
公开(公告)日：1968-05-28
申请号：US47866865
申请日：1965-08-10
Applicant: GEN ELECTRIC
Inventor： DAVIS WILLIAM D
CPC classification number: H01J49/16 , H01J49/102
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2.发明授权Bakeable mass spectrometer with means to precisely align the ion source, analyzer and detector subassemblies 失效可烘烤质谱仪，用于精确对准离子源，分析仪和检测器组件
公开(公告)号：US3230362A
公开(公告)日：1966-01-18
申请号：US32761763
申请日：1963-12-03
Applicant: GEN ELECTRIC
Inventor： DAVIS WILLIAM D , VANDERSLICE THOMAS A
CPC classification number: H01J49/26 , H01J49/022 , H01J49/025 , H01J49/10 , H01J49/30
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公开(公告)号：US3184633A
公开(公告)日：1965-05-18
申请号：US6700260
申请日：1960-11-03
Applicant: GEN ELECTRIC
Inventor： WHITE FREDERICK A , DAVIS WILLIAM D
IPC: H01J43/24
CPC classification number: H01J43/24
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