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1.Secondary emission cathode or dynode of a porous matrix of tungsten or molybdenum impregnated with secondary emission material such as a tungstate or an alkali halide of calcium 失效
Title translation: 用二次排放材料如钨酸盐或碱土金属盐浸渍的钨或钼的多孔基体的二次发射阴极或二次晶体公开(公告)号:US3459986A
公开(公告)日:1969-08-05
申请号:US3459986D
申请日:1967-01-27
Applicant: OTTO G KOPPIUS , EBERT MICHAEL
Inventor: KOPPIUS OTTO G
CPC classification number: H01J1/32
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公开(公告)号:US3538570A
公开(公告)日:1970-11-10
申请号:US3538570D
申请日:1968-02-28
Applicant: OTTO G KOPPIUS
Inventor: KOPPIUS OTTO G
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公开(公告)号:US3407475A
公开(公告)日:1968-10-29
申请号:US61460667
申请日:1967-02-08
Applicant: OTTO G. KOPPIUS
Inventor: KOPPIUS OTTO G
IPC: B23H1/06
CPC classification number: B23H1/06
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4.
公开(公告)号:US3529203A
公开(公告)日:1970-09-15
申请号:US3529203D
申请日:1968-01-25
Applicant: OTTO G KOPPIUS
Inventor: KOPPIUS OTTO G
CPC classification number: H01J23/05 , H01J1/28 , H01J19/00 , H01J2893/0023 , Y10T428/26
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公开(公告)号:US3404978A
公开(公告)日:1968-10-08
申请号:US61217367
申请日:1967-01-27
Applicant: OTTO G. KOPPIUS
Inventor: KOPPIUS OTTO G
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