EP0902959A4 - Multi-stage electron gun having an electrostatic cavity - Google Patents

Multi-stage electron gun having an electrostatic cavity

Info

Publication number
EP0902959A4
EP0902959A4 EP97925708A EP97925708A EP0902959A4 EP 0902959 A4 EP0902959 A4 EP 0902959A4 EP 97925708 A EP97925708 A EP 97925708A EP 97925708 A EP97925708 A EP 97925708A EP 0902959 A4 EP0902959 A4 EP 0902959A4
Authority
EP
European Patent Office
Prior art keywords
electron gun
stage electron
electrostatic cavity
electrostatic
cavity
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Withdrawn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
EP97925708A
Other languages
German (de)
French (fr)
Other versions
EP0902959A1 (en
Inventor
Frederick M Mako
Amnon Fisher
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0902959A1 publication Critical patent/EP0902959A1/en
Publication of EP0902959A4 publication Critical patent/EP0902959A4/en
Withdrawn legal-status Critical Current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 common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/023—Electron guns using electron multiplication
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters
EP97925708A 1996-05-22 1997-05-20 Multi-stage electron gun having an electrostatic cavity Withdrawn EP0902959A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65162796A 1996-05-22 1996-05-22
US651627 1996-05-22
PCT/US1997/008727 WO1997044805A1 (en) 1996-05-22 1997-05-20 Multi-stage electron gun having an electrostatic cavity

Publications (2)

Publication Number Publication Date
EP0902959A1 EP0902959A1 (en) 1999-03-24
EP0902959A4 true EP0902959A4 (en) 1999-08-18

Family

ID=24613586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97925708A Withdrawn EP0902959A4 (en) 1996-05-22 1997-05-20 Multi-stage electron gun having an electrostatic cavity

Country Status (3)

Country Link
EP (1) EP0902959A4 (en)
CA (1) CA2254132A1 (en)
WO (1) WO1997044805A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3598184B2 (en) * 1996-11-07 2004-12-08 浜松ホトニクス株式会社 Transmission type secondary electron surface and electron tube

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294782A (en) * 1940-01-30 1942-09-01 Western Electric Co Thermionic valve apparatus
US3649868A (en) * 1969-03-31 1972-03-14 Thomson Csf Pulse electron gun
US3854066A (en) * 1973-11-21 1974-12-10 Us Army Electron device incorporating a microchannel secondary emitter
JPS63218127A (en) * 1986-11-21 1988-09-12 Mitsubishi Electric Corp electron gun device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276758A (en) * 1938-01-22 1942-03-17 Gen Electric Electronic beam deflection circuits
US2408423A (en) * 1941-02-05 1946-10-01 Bell Telephone Labor Inc High frequency amplifying apparatus
US3505612A (en) * 1967-06-29 1970-04-07 Raytheon Co Noise power generator utilizing secondary emission sources energized by radio frequency means
US5150067A (en) * 1990-04-16 1992-09-22 Mcmillan Michael R Electromagnetic pulse generator using an electron beam produced with an electron multiplier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294782A (en) * 1940-01-30 1942-09-01 Western Electric Co Thermionic valve apparatus
US3649868A (en) * 1969-03-31 1972-03-14 Thomson Csf Pulse electron gun
US3854066A (en) * 1973-11-21 1974-12-10 Us Army Electron device incorporating a microchannel secondary emitter
JPS63218127A (en) * 1986-11-21 1988-09-12 Mitsubishi Electric Corp electron gun device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 008 (E - 702) 10 January 1989 (1989-01-10) *
See also references of WO9744805A1 *

Also Published As

Publication number Publication date
WO1997044805A1 (en) 1997-11-27
EP0902959A1 (en) 1999-03-24
CA2254132A1 (en) 1997-11-27

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Legal Events

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