CA934431A - Indirectly heated supply cathode - Google Patents

Indirectly heated supply cathode

Info

Publication number
CA934431A
CA934431A CA129609A CA129609A CA934431A CA 934431 A CA934431 A CA 934431A CA 129609 A CA129609 A CA 129609A CA 129609 A CA129609 A CA 129609A CA 934431 A CA934431 A CA 934431A
Authority
CA
Canada
Prior art keywords
indirectly heated
supply cathode
heated supply
cathode
indirectly
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA129609A
Other versions
CA129609S (en
Inventor
G. Van Os Johannes
J. A. Van Stratum Antonius
L. Loyen Simon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA934431A publication Critical patent/CA934431A/en
Expired legal-status Critical Current

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
CA129609A 1970-12-10 1971-12-08 Indirectly heated supply cathode Expired CA934431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018001A NL7018001A (en) 1970-12-10 1970-12-10

Publications (1)

Publication Number Publication Date
CA934431A true CA934431A (en) 1973-09-25

Family

ID=19811756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129609A Expired CA934431A (en) 1970-12-10 1971-12-08 Indirectly heated supply cathode

Country Status (6)

Country Link
US (1) US3753025A (en)
CA (1) CA934431A (en)
DE (1) DE2157768A1 (en)
FR (1) FR2117650A5 (en)
GB (1) GB1327975A (en)
NL (1) NL7018001A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1582837A (en) * 1976-07-10 1981-01-14 Emi Varian Ltd Electron emitter
US4379979A (en) * 1981-02-06 1983-04-12 The United States Of America As Represented By The Secretary Of The Navy Controlled porosity sheet for thermionic dispenser cathode and method of manufacture
DE69016235T2 (en) * 1989-03-24 1995-06-01 Mitsubishi Electric Corp High temperature component.
US5350969A (en) * 1991-12-03 1994-09-27 Litton Systems, Inc. Cathode heater and cathode assembly for microwave power tubes
KR950006088B1 (en) * 1992-06-27 1995-06-08 주식회사엘지전자 Sinking pallet of sinking form cathode structure and method of manufacturing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890390C (en) * 1951-07-12 1953-09-17 Siemens Ag Cathode for electrical discharge vessels
US3117249A (en) * 1960-02-16 1964-01-07 Sperry Rand Corp Embedded heater cathode
FR1489050A (en) * 1966-03-22 1967-07-21 Commissariat Energie Atomique composite electrode for magnetohydrodynamic conversion nozzle

Also Published As

Publication number Publication date
DE2157768A1 (en) 1972-06-29
FR2117650A5 (en) 1972-07-21
US3753025A (en) 1973-08-14
GB1327975A (en) 1973-08-22
NL7018001A (en) 1972-06-13

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