BE561832A - - Google Patents

Info

Publication number
BE561832A
BE561832A BE561832DA BE561832A BE 561832 A BE561832 A BE 561832A BE 561832D A BE561832D A BE 561832DA BE 561832 A BE561832 A BE 561832A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE561832A publication Critical patent/BE561832A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode
BE561832D 1956-10-24 BE561832A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618072A US2869017A (en) 1956-10-24 1956-10-24 Thermionic dispenser cathode

Publications (1)

Publication Number Publication Date
BE561832A true BE561832A (xx)

Family

ID=24476212

Family Applications (1)

Application Number Title Priority Date Filing Date
BE561832D BE561832A (xx) 1956-10-24

Country Status (7)

Country Link
US (1) US2869017A (xx)
BE (1) BE561832A (xx)
CH (1) CH355529A (xx)
DE (1) DE1042136B (xx)
FR (1) FR1185028A (xx)
GB (1) GB857090A (xx)
NL (1) NL100722C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108501C (xx) * 1957-01-26
JPS58100329A (ja) * 1981-12-11 1983-06-15 Toshiba Corp 電子管用陰極構体
KR930007461B1 (ko) * 1991-04-23 1993-08-11 주식회사 금성사 함침형 음극 제조방법
US5114742A (en) * 1991-07-17 1992-05-19 The United States Of America As Represented By The Secretary Of The Army Preparing a scandate cathode by impregnating a porous tungsten billet with Ba3 Al2 O6, coating the top surface with a mixture of Sc6 WO12, Sc2 (WO4)3, and W in a 1:3:2 mole ratio, and heating in a vacuum

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE498869A (xx) * 1949-10-25
BE512852A (xx) * 1951-07-17
BE515833A (xx) * 1951-11-29
NL96177C (xx) * 1952-02-27
CH315203A (de) * 1952-03-24 1956-07-31 Siemens Ag Kathode für elektrische Entladungsgefässe

Also Published As

Publication number Publication date
FR1185028A (fr) 1959-07-29
US2869017A (en) 1959-01-13
DE1042136B (de) 1958-10-30
GB857090A (en) 1960-12-29
CH355529A (de) 1961-07-15
NL100722C (xx)

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