FR1238649A - Electron guns - Google Patents

Electron guns

Info

Publication number
FR1238649A
FR1238649A FR807494A FR807494A FR1238649A FR 1238649 A FR1238649 A FR 1238649A FR 807494 A FR807494 A FR 807494A FR 807494 A FR807494 A FR 807494A FR 1238649 A FR1238649 A FR 1238649A
Authority
FR
France
Prior art keywords
electron guns
guns
electron
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
FR807494A
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical Co Ltd
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 Metropolitan Vickers Electrical Co Ltd filed Critical Metropolitan Vickers Electrical Co Ltd
Application granted granted Critical
Publication of FR1238649A publication Critical patent/FR1238649A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/028—Replacing parts of the gun; Relative adjustment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S164/00—Metal founding
    • Y10S164/05—Electron beam
FR807494A 1958-10-15 1959-10-14 Electron guns Expired FR1238649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32940/58A GB872579A (en) 1958-10-15 1958-10-15 Improvements relating to electron gun assemblies

Publications (1)

Publication Number Publication Date
FR1238649A true FR1238649A (en) 1960-08-12

Family

ID=10346255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807494A Expired FR1238649A (en) 1958-10-15 1959-10-14 Electron guns

Country Status (3)

Country Link
US (1) US3034012A (en)
FR (1) FR1238649A (en)
GB (1) GB872579A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205392A (en) * 1960-04-01 1965-09-07 Gen Electric Brillouin beam forming apparatus
US3197669A (en) * 1961-05-12 1965-07-27 Welding Research Inc Electron emitting element for electron gun
US3187216A (en) * 1961-05-12 1965-06-01 Welding Research Inc Electron gun having a releasably clamped electron emitting element
US3197665A (en) * 1962-05-11 1965-07-27 Rca Corp Electron gun with positioner for emissive surface of cathode
US4079328A (en) * 1976-09-21 1978-03-14 Radiation Dynamics, Inc. Area beam electron accelerator having plural discrete cathodes
CN102800544B (en) * 2012-08-30 2015-02-25 电子科技大学 Dual-anode magnetic control electronic gun with adjustable cathode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2391780A (en) * 1943-10-13 1945-12-25 Rca Corp Electron discharge device
NL69809C (en) * 1946-05-09

Also Published As

Publication number Publication date
GB872579A (en) 1961-07-12
US3034012A (en) 1962-05-08

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