DE2747266A1 - Elektronenemitter - Google Patents

Elektronenemitter

Info

Publication number
DE2747266A1
DE2747266A1 DE19772747266 DE2747266A DE2747266A1 DE 2747266 A1 DE2747266 A1 DE 2747266A1 DE 19772747266 DE19772747266 DE 19772747266 DE 2747266 A DE2747266 A DE 2747266A DE 2747266 A1 DE2747266 A1 DE 2747266A1
Authority
DE
Germany
Prior art keywords
electrode
electron emitter
electron
emitter according
zones
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.)
Ceased
Application number
DE19772747266
Other languages
German (de)
English (en)
Inventor
Richard Allan Tuck
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.)
EMI Varian Ltd
Original Assignee
EMI Varian 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 EMI Varian Ltd filed Critical EMI Varian Ltd
Publication of DE2747266A1 publication Critical patent/DE2747266A1/de
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/30Cold cathodes, e.g. field-emissive cathode
    • H01J1/304Field-emissive cathodes

Landscapes

  • Microwave Tubes (AREA)
  • Lasers (AREA)
DE19772747266 1976-11-04 1977-10-21 Elektronenemitter Ceased DE2747266A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45835/76A GB1555800A (en) 1976-11-04 1976-11-04 Electron emitters

Publications (1)

Publication Number Publication Date
DE2747266A1 true DE2747266A1 (de) 1978-05-11

Family

ID=10438789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772747266 Ceased DE2747266A1 (de) 1976-11-04 1977-10-21 Elektronenemitter

Country Status (5)

Country Link
US (1) US4145635A (enExample)
JP (1) JPS5357739A (enExample)
DE (1) DE2747266A1 (enExample)
FR (1) FR2370356A1 (enExample)
GB (1) GB1555800A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002049A1 (de) * 1990-01-24 1991-07-25 Deutsche Forsch Luft Raumfahrt Elektronenemissionsquelle
DE102013223517A1 (de) * 2013-11-19 2015-06-03 Siemens Aktiengesellschaft Elektronenkanone und Strahlungserzeugungsanlage

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227116A (en) * 1978-07-24 1980-10-07 Varian Associates, Inc. Zero-bias gridded gun
US4593230A (en) * 1982-03-29 1986-06-03 Litton Systems, Inc. Dual-mode electron gun
US4782267A (en) * 1986-02-07 1988-11-01 Applied Electron Corporation In-situ wide area vacuum ultraviolet lamp
US5227701A (en) * 1988-05-18 1993-07-13 Mcintyre Peter M Gigatron microwave amplifier
FR2644627B1 (fr) * 1989-03-17 1996-01-05 Videocolor Canon de tube cathodique a source d'electrons a effet de champ
GB2238651A (en) * 1989-11-29 1991-06-05 Gen Electric Co Plc Field emission devices.
GB2318208B (en) * 1990-07-13 1998-09-02 Marconi Gec Ltd Electronic switching devices
US5159241A (en) * 1990-10-25 1992-10-27 General Dynamics Corporation Air Defense Systems Division Single body relativistic magnetron
US5162698A (en) * 1990-12-21 1992-11-10 General Dynamics Corporation Air Defense Systems Div. Cascaded relativistic magnetron
US5191217A (en) * 1991-11-25 1993-03-02 Motorola, Inc. Method and apparatus for field emission device electrostatic electron beam focussing
US5332945A (en) * 1992-05-11 1994-07-26 Litton Systems, Inc. Pierce gun with grading electrode
US5327094A (en) * 1992-12-11 1994-07-05 Litton Systems, Inc. Jitter suppression in crossed-field amplifier by use of field emitter
JPH07107829B2 (ja) * 1993-06-08 1995-11-15 日本電気株式会社 密度変調電子銃とこれを用いたマイクロ波管
JP2625370B2 (ja) * 1993-12-22 1997-07-02 日本電気株式会社 電界放出冷陰極とこれを用いたマイクロ波管
US5534747A (en) * 1994-05-13 1996-07-09 Litton Systems, Inc. Variable focus electron gun assembly with ceramic spacers
JPH08315721A (ja) * 1995-05-19 1996-11-29 Nec Kansai Ltd 電界放出冷陰極
CA2227322A1 (en) * 1995-08-04 1997-02-20 Printable Field Emitters Limited Field electron emission materials and devices
US5903804A (en) * 1996-09-30 1999-05-11 Science Applications International Corporation Printer and/or scanner and/or copier using a field emission array
US5874806A (en) * 1996-10-02 1999-02-23 Litton Systems, Inc. Passive jitter reduction in crossed-field amplifier with secondary emission material on anode vanes
US12463002B2 (en) 2021-04-12 2025-11-04 Ncx Corporation Energy tuner for a gated field emission cathode device, and associated method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665241A (en) * 1970-07-13 1972-05-23 Stanford Research Inst Field ionizer and field emission cathode structures and methods of production
US3720856A (en) * 1970-07-29 1973-03-13 Westinghouse Electric Corp Binary material field emitter structure
US3706002A (en) * 1970-11-16 1972-12-12 Varian Associates Electron gun
US3921022A (en) * 1974-09-03 1975-11-18 Rca Corp Field emitting device and method of making same
US3921027A (en) * 1974-09-13 1975-11-18 Joe Shelton Microwave beam tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002049A1 (de) * 1990-01-24 1991-07-25 Deutsche Forsch Luft Raumfahrt Elektronenemissionsquelle
DE102013223517A1 (de) * 2013-11-19 2015-06-03 Siemens Aktiengesellschaft Elektronenkanone und Strahlungserzeugungsanlage
US10074503B2 (en) 2013-11-19 2018-09-11 Siemens Aktiengesellschaft Electron gun and radiation generating apparatus

Also Published As

Publication number Publication date
FR2370356B1 (enExample) 1982-09-10
US4145635A (en) 1979-03-20
GB1555800A (en) 1979-11-14
JPS5357739A (en) 1978-05-25
FR2370356A1 (fr) 1978-06-02

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification
8126 Change of the secondary classification
8131 Rejection