IL51913A - Method for fabricating a grid-controlling thermionic electron source - Google Patents

Method for fabricating a grid-controlling thermionic electron source

Info

Publication number
IL51913A
IL51913A IL51913A IL5191377A IL51913A IL 51913 A IL51913 A IL 51913A IL 51913 A IL51913 A IL 51913A IL 5191377 A IL5191377 A IL 5191377A IL 51913 A IL51913 A IL 51913A
Authority
IL
Israel
Prior art keywords
fabricating
grid
electron source
thermionic electron
controlling
Prior art date
Application number
IL51913A
Other languages
English (en)
Original Assignee
Varian Associates
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 filed Critical Varian Associates
Priority to IL57256A priority Critical patent/IL57256A/xx
Publication of IL51913A publication Critical patent/IL51913A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • H01J19/04—Thermionic cathodes
    • H01J19/14—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
IL51913A 1976-05-10 1977-04-19 Method for fabricating a grid-controlling thermionic electron source IL51913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IL57256A IL57256A (en) 1977-04-19 1979-05-11 Grid-controlled thermionic electron source

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
IL51913A true IL51913A (en) 1980-05-30

Family

ID=24749144

Family Applications (1)

Application Number Title Priority Date Filing Date
IL51913A IL51913A (en) 1976-05-10 1977-04-19 Method for fabricating a grid-controlling thermionic electron source

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)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263528A (en) * 1978-05-03 1981-04-21 Varian Associates, Inc. Grid coating for thermionic electron emission suppression
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

Family Cites Families (13)

* 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
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
DE1232272B (de) * 1964-02-13 1967-01-12 Telefunken Patent Scheibenfoermiges Gitter fuer Elektronenstrahlroehren
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

Also Published As

Publication number Publication date
DE2719660A1 (de) 1977-12-01
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
GB1551867A (en) 1979-09-05

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