AT194994B - Cathode consisting of a porous metal body in which barium compounds are incorporated and a method for producing this cathode - Google Patents

Cathode consisting of a porous metal body in which barium compounds are incorporated and a method for producing this cathode

Info

Publication number
AT194994B
AT194994B AT194994DA AT194994B AT 194994 B AT194994 B AT 194994B AT 194994D A AT194994D A AT 194994DA AT 194994 B AT194994 B AT 194994B
Authority
AT
Austria
Prior art keywords
cathode
incorporated
producing
metal body
porous metal
Prior art date
Application number
Other languages
German (de)
Original Assignee
Philips Nv
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT194994B publication Critical patent/AT194994B/en

Links

AT194994D 1955-02-09 1956-02-06 Cathode consisting of a porous metal body in which barium compounds are incorporated and a method for producing this cathode AT194994B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US194994XA 1955-02-09 1955-02-09

Publications (1)

Publication Number Publication Date
AT194994B true AT194994B (en) 1958-01-25

Family

ID=21793532

Family Applications (1)

Application Number Title Priority Date Filing Date
AT194994D AT194994B (en) 1955-02-09 1956-02-06 Cathode consisting of a porous metal body in which barium compounds are incorporated and a method for producing this cathode

Country Status (1)

Country Link
AT (1) AT194994B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995674A (en) * 1959-02-27 1961-08-08 Raytheon Co Impregnated cathodes
DE3017429A1 (en) * 1980-05-07 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Emission material for impregnating electron tube cathode - with porous sintered matrix, contains aluminium, barium, calcium, strontium and opt. tungsten
DE3000169A1 (en) * 1980-01-04 1982-08-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Storage cathode prodn. with emitter in pores of body - by contacting oxide powder mixt. with body and heating to give alkaline earth aluminate melt

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995674A (en) * 1959-02-27 1961-08-08 Raytheon Co Impregnated cathodes
DE3000169A1 (en) * 1980-01-04 1982-08-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Storage cathode prodn. with emitter in pores of body - by contacting oxide powder mixt. with body and heating to give alkaline earth aluminate melt
DE3017429A1 (en) * 1980-05-07 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Emission material for impregnating electron tube cathode - with porous sintered matrix, contains aluminium, barium, calcium, strontium and opt. tungsten

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