FR990170A - Indirectly heated cathode - Google Patents

Indirectly heated cathode

Info

Publication number
FR990170A
FR990170A FR990170DA FR990170A FR 990170 A FR990170 A FR 990170A FR 990170D A FR990170D A FR 990170DA FR 990170 A FR990170 A FR 990170A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
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
Other languages
French (fr)
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.)
ACEC
Umicore NV SA
Original Assignee
ACEC
Ateliers de Constructions Electriques de Charleroi SA
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 ACEC, Ateliers de Constructions Electriques de Charleroi SA filed Critical ACEC
Application granted granted Critical
Publication of FR990170A publication Critical patent/FR990170A/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
    • H01J1/26—Supports for the emissive material
FR990170D 1944-03-10 1944-03-10 Indirectly heated cathode Expired FR990170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990170T 1944-03-10

Publications (1)

Publication Number Publication Date
FR990170A true FR990170A (en) 1951-09-18

Family

ID=9541947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990170D Expired FR990170A (en) 1944-03-10 1944-03-10 Indirectly heated cathode

Country Status (2)

Country Link
BE (1) BE458320A (en)
FR (1) FR990170A (en)

Also Published As

Publication number Publication date
BE458320A (en) 1945-04-30

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