IT7924554A0 - Dispositivo di cannone elettronico grigliato a polarizzazione nulla. - Google Patents

Dispositivo di cannone elettronico grigliato a polarizzazione nulla.

Info

Publication number
IT7924554A0
IT7924554A0 IT7924554A IT2455479A IT7924554A0 IT 7924554 A0 IT7924554 A0 IT 7924554A0 IT 7924554 A IT7924554 A IT 7924554A IT 2455479 A IT2455479 A IT 2455479A IT 7924554 A0 IT7924554 A0 IT 7924554A0
Authority
IT
Italy
Prior art keywords
grilled
gun device
electronic gun
null polarization
null
Prior art date
Application number
IT7924554A
Other languages
English (en)
Other versions
IT1122259B (it
Original Assignee
Palo Alto California U S A
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 Palo Alto California U S A filed Critical Palo Alto California U S A
Publication of IT7924554A0 publication Critical patent/IT7924554A0/it
Application granted granted Critical
Publication of IT1122259B publication Critical patent/IT1122259B/it

Links

Classifications

    • 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
    • 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
    • H01J1/46—Control electrodes, e.g. grid; Auxiliary electrodes
    • 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
    • H01J3/029—Schematic arrangements for beam forming
IT24554/79A 1978-07-24 1979-07-23 Dispositivo di cannone elettronico grigliato a polarizzazione nulla IT1122259B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/927,087 US4227116A (en) 1978-07-24 1978-07-24 Zero-bias gridded gun

Publications (2)

Publication Number Publication Date
IT7924554A0 true IT7924554A0 (it) 1979-07-23
IT1122259B IT1122259B (it) 1986-04-23

Family

ID=25454156

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24554/79A IT1122259B (it) 1978-07-24 1979-07-23 Dispositivo di cannone elettronico grigliato a polarizzazione nulla

Country Status (8)

Country Link
US (1) US4227116A (it)
EP (1) EP0018402B1 (it)
JP (1) JPS6318297B2 (it)
CA (1) CA1142258A (it)
DE (1) DE2967682D1 (it)
IL (1) IL57880A (it)
IT (1) IT1122259B (it)
WO (1) WO1980000282A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205027A1 (de) * 1982-02-12 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Integriertes korpuskularstrahlerzeugendes system
US4480210A (en) * 1982-05-12 1984-10-30 Varian Associates, Inc. Gridded electron power tube
WO1985000074A1 (en) * 1983-06-16 1985-01-03 Hughes Aircraft Company Grid structure for certain plural mode electron guns
US4680500A (en) * 1986-03-06 1987-07-14 The United States Of America As Represented By The Secretary Of The Air Force Integral grid/cathode for vacuum tubes
US5317233A (en) * 1990-04-13 1994-05-31 Varian Associates, Inc. Vacuum tube including grid-cathode assembly with resonant slow-wave structure
GB9712243D0 (en) * 1997-06-13 1997-08-13 Eev Ltd Grids
FR2775118B1 (fr) * 1998-02-13 2000-05-05 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial a performances ameliorees
JP2021068658A (ja) * 2019-10-28 2021-04-30 新日本無線株式会社 電子銃および電子銃の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183402A (en) * 1956-02-24 1965-05-11 Varian Associates Charged particle flow control apparatus with apertured cathode
US2975317A (en) * 1959-04-07 1961-03-14 Univ California Beam control device
FR2030750A6 (it) * 1967-07-03 1970-11-13 Varian Associates
US3843902A (en) * 1972-08-24 1974-10-22 Varian Associates Gridded convergent flow electron gun
US4096406A (en) * 1976-05-10 1978-06-20 Varian Associates, Inc. Thermionic electron source with bonded control grid
GB1555800A (en) * 1976-11-04 1979-11-14 Emi Varian Ltd Electron emitters

Also Published As

Publication number Publication date
IL57880A0 (en) 1979-11-30
US4227116A (en) 1980-10-07
EP0018402A4 (en) 1980-07-08
WO1980000282A1 (en) 1980-02-21
IL57880A (en) 1982-01-31
JPS55500523A (it) 1980-08-14
IT1122259B (it) 1986-04-23
DE2967682D1 (en) 1988-10-20
EP0018402B1 (en) 1988-09-14
EP0018402A1 (en) 1980-11-12
JPS6318297B2 (it) 1988-04-18
CA1142258A (en) 1983-03-01

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960729