FR1312580A - Improvements to millimeter-sized cathodes for electron tubes - Google Patents

Improvements to millimeter-sized cathodes for electron tubes

Info

Publication number
FR1312580A
FR1312580A FR878410A FR878410A FR1312580A FR 1312580 A FR1312580 A FR 1312580A FR 878410 A FR878410 A FR 878410A FR 878410 A FR878410 A FR 878410A FR 1312580 A FR1312580 A FR 1312580A
Authority
FR
France
Prior art keywords
millimeter
electron tubes
cathodes
sized
sized cathodes
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
FR878410A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR878410A priority Critical patent/FR1312580A/en
Priority to GB40733/62A priority patent/GB956950A/en
Priority to US234699A priority patent/US3215885A/en
Priority to DEC28361A priority patent/DE1165164B/en
Application granted granted Critical
Publication of FR1312580A publication Critical patent/FR1312580A/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
FR878410A 1961-11-09 1961-11-09 Improvements to millimeter-sized cathodes for electron tubes Expired FR1312580A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR878410A FR1312580A (en) 1961-11-09 1961-11-09 Improvements to millimeter-sized cathodes for electron tubes
GB40733/62A GB956950A (en) 1961-11-09 1962-10-29 Cathode structures for electronic discharge devices
US234699A US3215885A (en) 1961-11-09 1962-11-01 Cathode structure
DEC28361A DE1165164B (en) 1961-11-09 1962-11-08 Cathode for electron tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR878410A FR1312580A (en) 1961-11-09 1961-11-09 Improvements to millimeter-sized cathodes for electron tubes

Publications (1)

Publication Number Publication Date
FR1312580A true FR1312580A (en) 1962-12-21

Family

ID=8766343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878410A Expired FR1312580A (en) 1961-11-09 1961-11-09 Improvements to millimeter-sized cathodes for electron tubes

Country Status (4)

Country Link
US (1) US3215885A (en)
DE (1) DE1165164B (en)
FR (1) FR1312580A (en)
GB (1) GB956950A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516841A (en) * 1946-01-16 1950-08-01 Standard Telephones Cables Ltd Grid for electron discharge devices
BE484368A (en) * 1947-08-15
FR1053508A (en) * 1952-04-07 1954-02-03 Csf Improvements to thermionic cathodes
NL88786C (en) * 1955-04-02

Also Published As

Publication number Publication date
US3215885A (en) 1965-11-02
DE1165164B (en) 1964-03-12
GB956950A (en) 1964-04-29

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