CH345082A - Cathode comprising a porous body made of a refractory metal or a refractory metal alloy and method for producing this cathode - Google Patents

Cathode comprising a porous body made of a refractory metal or a refractory metal alloy and method for producing this cathode

Info

Publication number
CH345082A
CH345082A CH345082DA CH345082A CH 345082 A CH345082 A CH 345082A CH 345082D A CH345082D A CH 345082DA CH 345082 A CH345082 A CH 345082A
Authority
CH
Switzerland
Prior art keywords
cathode
refractory metal
producing
porous body
body made
Prior art date
Application number
Other languages
German (de)
Inventor
Levi Roberto
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
Publication of CH345082A publication Critical patent/CH345082A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details 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
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
CH345082D 1955-02-09 1956-02-07 Cathode comprising a porous body made of a refractory metal or a refractory metal alloy and method for producing this cathode CH345082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345082XA 1955-02-09 1955-02-09

Publications (1)

Publication Number Publication Date
CH345082A true CH345082A (en) 1960-03-15

Family

ID=21876846

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345082D CH345082A (en) 1955-02-09 1956-02-07 Cathode comprising a porous body made of a refractory metal or a refractory metal alloy and method for producing this cathode

Country Status (6)

Country Link
BE (1) BE545032A (en)
CH (1) CH345082A (en)
DE (1) DE1160552B (en)
FR (1) FR1140832A (en)
GB (1) GB795566A (en)
NL (1) NL99051C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004424A1 (en) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionic cathode
DE3122950A1 (en) * 1981-06-10 1983-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Process for fabricating a dispenser cathode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515834A (en) * 1951-11-29

Also Published As

Publication number Publication date
NL99051C (en)
BE545032A (en)
DE1160552B (en) 1964-01-02
FR1140832A (en) 1957-08-14
GB795566A (en) 1958-05-28

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