GB767446A - Improvements in or relating to electron discharge devices and to electron sources therefor - Google Patents

Improvements in or relating to electron discharge devices and to electron sources therefor

Info

Publication number
GB767446A
GB767446A GB15854/54A GB1585454A GB767446A GB 767446 A GB767446 A GB 767446A GB 15854/54 A GB15854/54 A GB 15854/54A GB 1585454 A GB1585454 A GB 1585454A GB 767446 A GB767446 A GB 767446A
Authority
GB
United Kingdom
Prior art keywords
cathode
aperture
hollow
anode
coating
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
GB15854/54A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB767446A publication Critical patent/GB767446A/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
    • 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
    • H01J1/025—Hollow cathodes

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
GB15854/54A 1953-06-15 1954-05-28 Improvements in or relating to electron discharge devices and to electron sources therefor Expired GB767446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US361527A US2810088A (en) 1953-06-15 1953-06-15 Cathodes for electron discharge devices

Publications (1)

Publication Number Publication Date
GB767446A true GB767446A (en) 1957-02-06

Family

ID=23422402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15854/54A Expired GB767446A (en) 1953-06-15 1954-05-28 Improvements in or relating to electron discharge devices and to electron sources therefor

Country Status (6)

Country Link
US (1) US2810088A (US07122603-20061017-C00294.png)
BE (1) BE528714A (US07122603-20061017-C00294.png)
DE (1) DE1023150B (US07122603-20061017-C00294.png)
FR (1) FR1086972A (US07122603-20061017-C00294.png)
GB (1) GB767446A (US07122603-20061017-C00294.png)
NL (1) NL94116C (US07122603-20061017-C00294.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0896352A1 (en) * 1997-08-07 1999-02-10 Smiths Industries Public Limited Company Electrode structures and lamps

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843776A (en) * 1953-03-30 1958-07-15 Bell Telephone Labor Inc Traveling wave tube electron gun
US2921215A (en) * 1954-02-15 1960-01-12 Hughes Aircraft Co Electron gun
US3200283A (en) * 1961-05-26 1965-08-10 Gen Electric Ruggedized cathode mount
US3210518A (en) * 1962-12-21 1965-10-05 Alloyd Electronics Corp Hollow cathode device
US3320475A (en) * 1963-04-30 1967-05-16 Gen Electric Nonthermionic hollow cathode electron beam apparatus
US3578992A (en) * 1968-10-17 1971-05-18 Nasa Cavity emitter for thermionic converter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201817A (en) * 1925-09-09 1940-05-21 Raytheon Mfg Co Electronic discharge method and apparatus
US1713356A (en) * 1926-03-02 1929-05-14 Raytheon Inc Production of pulsating current
NL34413C (US07122603-20061017-C00294.png) * 1930-04-05
DE546001C (de) * 1930-11-12 1932-03-09 Walter Rogowski Dr Ing Kathodenoszillograph
DE743239C (de) * 1931-06-30 1943-12-21 Opta Radio Ag Gluehkathode fuer Braunsche Roehren, deren rotationssymmetrischer Kathodenkoerper topfaehnlich ausgebildet ist und an der aeusseren Bodenflaeche die Emissionsschicht traegt, die nur einen Teil der Bodenflaeche einnimmt
US2026892A (en) * 1931-11-11 1936-01-07 Heintz & Kaufman Ltd High frequency generator
DE675376C (de) * 1934-07-21 1939-05-06 Aeg Indirekt geheizte Gluehkathode fuer Braunsche Roehren
US2125279A (en) * 1936-11-13 1938-08-02 Bell Telephone Labor Inc Electron discharge device
GB654502A (en) * 1948-10-18 1951-06-20 Alan John Douglas Wheeldon Improvements in multiple-beam cathode-ray tubes
US2677623A (en) * 1949-10-27 1954-05-04 Ets Claude Paz & Silva Process for manufacturing electron emissive material and electrodes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0896352A1 (en) * 1997-08-07 1999-02-10 Smiths Industries Public Limited Company Electrode structures and lamps
US6084337A (en) * 1997-08-07 2000-07-04 Smiths Industries Public Limited Company Electrode structures with electrically insulative compressable annular support member

Also Published As

Publication number Publication date
US2810088A (en) 1957-10-15
BE528714A (US07122603-20061017-C00294.png)
DE1023150B (de) 1958-01-23
NL94116C (US07122603-20061017-C00294.png)
FR1086972A (fr) 1955-02-17

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