DE2719660A1 - Steuergitter fuer eine elektronenquelle, damit ausgestattete elektronenquelle und verfahren zu deren herstellung - Google Patents

Steuergitter fuer eine elektronenquelle, damit ausgestattete elektronenquelle und verfahren zu deren herstellung

Info

Publication number
DE2719660A1
DE2719660A1 DE19772719660 DE2719660A DE2719660A1 DE 2719660 A1 DE2719660 A1 DE 2719660A1 DE 19772719660 DE19772719660 DE 19772719660 DE 2719660 A DE2719660 A DE 2719660A DE 2719660 A1 DE2719660 A1 DE 2719660A1
Authority
DE
Germany
Prior art keywords
grid
cathode
electron source
barrier layer
layer
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.)
Withdrawn
Application number
DE19772719660
Other languages
German (de)
English (en)
Inventor
Erling Louis Lien
George Valentine Miram
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of DE2719660A1 publication Critical patent/DE2719660A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02Electron-emitting electrodes; Cathodes
    • H01J19/04Thermionic cathodes
    • H01J19/14Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/06Electron or ion guns
    • H01J23/065Electron or ion guns producing a solid cylindrical beam

Landscapes

  • Microwave Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
DE19772719660 1976-05-10 1977-05-03 Steuergitter fuer eine elektronenquelle, damit ausgestattete elektronenquelle und verfahren zu deren herstellung Withdrawn DE2719660A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/684,689 US4096406A (en) 1976-05-10 1976-05-10 Thermionic electron source with bonded control grid

Publications (1)

Publication Number Publication Date
DE2719660A1 true DE2719660A1 (de) 1977-12-01

Family

ID=24749144

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772719660 Withdrawn DE2719660A1 (de) 1976-05-10 1977-05-03 Steuergitter fuer eine elektronenquelle, damit ausgestattete elektronenquelle und verfahren zu deren herstellung

Country Status (7)

Country Link
US (1) US4096406A (OSRAM)
JP (1) JPS52136559A (OSRAM)
CA (1) CA1085907A (OSRAM)
DE (1) DE2719660A1 (OSRAM)
FR (1) FR2351489A1 (OSRAM)
GB (1) GB1551867A (OSRAM)
IL (1) IL51913A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917269A1 (de) * 1978-05-03 1979-11-15 Varian Associates Steuergitter fuer eine elektronenquelle

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390825A1 (fr) * 1977-05-13 1978-12-08 Thomson Csf Cathode thermo-ionique a grille incorporee, son procede de fabrication et tube electronique comportant une telle cathode
CH629033A5 (de) * 1978-05-05 1982-03-31 Bbc Brown Boveri & Cie Gluehkathode.
US4321505A (en) * 1978-07-24 1982-03-23 Varian Associates, Inc. Zero-bias gridded gun
US4227116A (en) * 1978-07-24 1980-10-07 Varian Associates, Inc. Zero-bias gridded gun
US4250428A (en) * 1979-05-09 1981-02-10 The United States Of America As Represented By The Secretary Of The Army Bonded cathode and electrode structure with layered insulation, and method of manufacture
US4254357A (en) * 1979-09-14 1981-03-03 The United States Of America As Represented By The Secretary Of The Navy Multi-arrayed micro-patch emitter with integral control grid
JPS56106334A (en) * 1980-01-25 1981-08-24 New Japan Radio Co Ltd Thermion emission type cathode
FR2481000A1 (fr) * 1980-04-18 1981-10-23 Thomson Csf Procede de realisation d'une cathode impregnee a grille integree, cathode obtenue par ce procede, et tube electronique muni d'une telle cathode
US4371809A (en) * 1980-06-19 1983-02-01 The United States Of America As Represented By The Secretary Of The Navy Integral-shadow-grid controlled-porosity dispenser cathode
JPS5868846A (ja) * 1981-10-07 1983-04-23 バリアン・アソシエイツ・インコ−ポレイテツド 永久磁石で集束される線形ビ−ムマイクロ波管
FR2596198A1 (fr) * 1986-03-19 1987-09-25 Thomson Csf Cathodes pour klystron a faisceaux multiples, klystron comportant de telles cathodes et procede de fabrication de telles cathodes
US5015908A (en) * 1989-01-23 1991-05-14 Varian Associates, Inc. Fast warm-up cathode for high power vacuum tubes
US5466982A (en) * 1993-10-18 1995-11-14 Honeywell Inc. Comb toothed field emitter structure having resistive and capacitive coupled input
DE4400353A1 (de) * 1994-01-08 1995-07-13 Philips Patentverwaltung Steuerbarer thermionischer Elektronenemitter
GB2312322B (en) * 1996-04-20 2000-06-14 Eev Ltd Electron guns
US6004830A (en) * 1998-02-09 1999-12-21 Advanced Vision Technologies, Inc. Fabrication process for confined electron field emission device
US6664720B2 (en) * 2001-04-23 2003-12-16 L-3 Communications Corporation Temperature compensated gun
JP2004111292A (ja) * 2002-09-20 2004-04-08 Hitachi Displays Ltd 表示装置及びその製造方法
US20050104506A1 (en) * 2003-11-18 2005-05-19 Youh Meng-Jey Triode Field Emission Cold Cathode Devices with Random Distribution and Method
RU2314590C2 (ru) * 2005-12-06 2008-01-10 Открытое акционерное общество "Корпорация "Фазотрон-Научно-исследовательский институт радиостроения" Катодно-сеточный узел

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857540C (de) * 1950-12-28 1952-12-01 Siemens Ag Elektrodensystem fuer elektrische Entladungsgefaesse
US2883576A (en) * 1955-04-04 1959-04-21 Gen Electric Thermionic valves
US2889483A (en) * 1954-09-01 1959-06-02 Sylvania Electric Prod Glass base grid
DE1232272B (de) * 1964-02-13 1967-01-12 Telefunken Patent Scheibenfoermiges Gitter fuer Elektronenstrahlroehren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196043A (en) * 1961-05-17 1965-07-20 Gen Electric Method for making an electrode structure
US3154711A (en) * 1961-06-19 1964-10-27 Gen Electric Electron beam focusing by means of contact differences of potential
US3278779A (en) * 1962-05-17 1966-10-11 Rauland Corp Cathode-ray tube having an insulating spacer between the cathode and the control grid
US3297902A (en) * 1965-12-22 1967-01-10 Gen Electric Electron discharge device having a laminated and finely reticulated grid structure therein
US3463978A (en) * 1966-12-22 1969-08-26 Machlett Lab Inc Monolithic electrode for electron tubes
US3694260A (en) * 1970-05-21 1972-09-26 James E Beggs Bonded heater,cathode,control electrode structure and method of manufacture
US3662209A (en) * 1970-05-21 1972-05-09 Gen Electric Electron discharge device with helical conductor providing swap fit
US3599031A (en) * 1970-05-21 1971-08-10 Gen Electric Bonded heater, cathode, control electrode structure
US3638062A (en) * 1970-10-23 1972-01-25 Gen Electric Support for composite electrode structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857540C (de) * 1950-12-28 1952-12-01 Siemens Ag Elektrodensystem fuer elektrische Entladungsgefaesse
US2889483A (en) * 1954-09-01 1959-06-02 Sylvania Electric Prod Glass base grid
US2883576A (en) * 1955-04-04 1959-04-21 Gen Electric Thermionic valves
DE1232272B (de) * 1964-02-13 1967-01-12 Telefunken Patent Scheibenfoermiges Gitter fuer Elektronenstrahlroehren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917269A1 (de) * 1978-05-03 1979-11-15 Varian Associates Steuergitter fuer eine elektronenquelle

Also Published As

Publication number Publication date
FR2351489B1 (OSRAM) 1981-08-07
FR2351489A1 (fr) 1977-12-09
JPS5737093B2 (OSRAM) 1982-08-07
JPS52136559A (en) 1977-11-15
CA1085907A (en) 1980-09-16
US4096406A (en) 1978-06-20
IL51913A (en) 1980-05-30
GB1551867A (en) 1979-09-05

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