AT266228B - Indirectly heated cathode for an electrical discharge tube and process for their manufacture - Google Patents

Indirectly heated cathode for an electrical discharge tube and process for their manufacture

Info

Publication number
AT266228B
AT266228B AT210067A AT210067A AT266228B AT 266228 B AT266228 B AT 266228B AT 210067 A AT210067 A AT 210067A AT 210067 A AT210067 A AT 210067A AT 266228 B AT266228 B AT 266228B
Authority
AT
Austria
Prior art keywords
manufacture
discharge tube
electrical discharge
indirectly heated
heated cathode
Prior art date
Application number
AT210067A
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 AT266228B publication Critical patent/AT266228B/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
AT210067A 1966-03-08 1967-03-06 Indirectly heated cathode for an electrical discharge tube and process for their manufacture AT266228B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6602973A NL6602973A (en) 1966-03-08 1966-03-08

Publications (1)

Publication Number Publication Date
AT266228B true AT266228B (en) 1968-11-11

Family

ID=19795929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT210067A AT266228B (en) 1966-03-08 1967-03-06 Indirectly heated cathode for an electrical discharge tube and process for their manufacture

Country Status (11)

Country Link
US (1) US3467879A (en)
AT (1) AT266228B (en)
BE (1) BE695217A (en)
CH (1) CH452712A (en)
DE (1) DE1614225C3 (en)
DK (1) DK118357B (en)
ES (1) ES337631A1 (en)
GB (1) GB1122454A (en)
NL (1) NL6602973A (en)
NO (1) NO120122B (en)
SE (1) SE327469B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000435A (en) * 1975-06-20 1976-12-28 Westinghouse Electric Corporation Electron gun cathode with a fast warm-up characteristic
NL7608642A (en) * 1976-08-04 1978-02-07 Philips Nv PROCESS FOR MANUFACTURE OF A STOCK CATHOD AND STOCK CATHOD MANUFACTURED UNDER THAT PROCESS.
US4215457A (en) * 1978-11-16 1980-08-05 U.S. Philips Corporation Rapid heating dispenser cathode in a holder and method of manufacturing the same
NL7905542A (en) * 1979-07-17 1981-01-20 Philips Nv DELIVERY CATHOD.
KR0147542B1 (en) * 1989-12-31 1998-08-01 김정배 Impregnated cathode for electron tube
RU2250528C1 (en) * 2004-03-05 2005-04-20 ОАО "Тантал" Secondary-emission cathode of m-type device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741717A (en) * 1951-06-14 1956-04-10 Siemens Ag Dispenser type cathode having gettercoated parts
IT500079A (en) * 1952-02-27
US3155865A (en) * 1961-12-15 1964-11-03 Gen Electric Low power heater

Also Published As

Publication number Publication date
SE327469B (en) 1970-08-24
ES337631A1 (en) 1968-06-16
DK118357B (en) 1970-08-10
BE695217A (en) 1967-09-08
NL6602973A (en) 1967-09-11
GB1122454A (en) 1968-08-07
DE1614225A1 (en) 1970-08-13
DE1614225C3 (en) 1975-07-10
CH452712A (en) 1968-03-15
NO120122B (en) 1970-08-31
US3467879A (en) 1969-09-16
DE1614225B2 (en) 1974-11-28

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