EP0589606A3 - Electron gun arrangements. - Google Patents

Electron gun arrangements. Download PDF

Info

Publication number
EP0589606A3
EP0589606A3 EP93307233A EP93307233A EP0589606A3 EP 0589606 A3 EP0589606 A3 EP 0589606A3 EP 93307233 A EP93307233 A EP 93307233A EP 93307233 A EP93307233 A EP 93307233A EP 0589606 A3 EP0589606 A3 EP 0589606A3
Authority
EP
European Patent Office
Prior art keywords
electron gun
gun arrangements
arrangements
electron
gun
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Withdrawn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
EP93307233A
Other languages
German (de)
French (fr)
Other versions
EP0589606A2 (en
Inventor
Barry James Arnold
Brian Alfred Henry Shakespeare
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.)
Teledyne UK Ltd
Original Assignee
EEV 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 EEV Ltd filed Critical EEV Ltd
Publication of EP0589606A2 publication Critical patent/EP0589606A2/en
Publication of EP0589606A3 publication Critical patent/EP0589606A3/en
Withdrawn legal-status Critical Current

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
    • 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
    • H01J3/027—Construction of the gun or parts thereof
EP93307233A 1992-09-24 1993-09-14 Electron gun arrangements. Withdrawn EP0589606A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9220226 1992-09-24
GB929220226A GB9220226D0 (en) 1992-09-24 1992-09-24 Electron gun assemblies

Publications (2)

Publication Number Publication Date
EP0589606A2 EP0589606A2 (en) 1994-03-30
EP0589606A3 true EP0589606A3 (en) 1995-02-01

Family

ID=10722462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93307233A Withdrawn EP0589606A3 (en) 1992-09-24 1993-09-14 Electron gun arrangements.

Country Status (2)

Country Link
EP (1) EP0589606A3 (en)
GB (1) GB9220226D0 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2312322B (en) * 1996-04-20 2000-06-14 Eev Ltd Electron guns
US6407492B1 (en) 1997-01-02 2002-06-18 Advanced Electron Beams, Inc. Electron beam accelerator
WO2001004924A1 (en) * 1999-07-09 2001-01-18 Advanced Electron Beams, Inc. Electron beam accelerator
JP5835822B1 (en) * 2014-06-30 2015-12-24 Ｎｅｃネットワーク・センサ株式会社 High frequency circuit system
US11324502B2 (en) 2017-05-02 2022-05-10 Covidien Lp Surgical loading unit including an articulating end effector
US10603035B2 (en) 2017-05-02 2020-03-31 Covidien Lp Surgical loading unit including an articulating end effector
US11510669B2 (en) 2020-09-29 2022-11-29 Covidien Lp Hand-held surgical instruments
US11241228B2 (en) 2019-04-05 2022-02-08 Covidien Lp Surgical instrument including an adapter assembly and an articulating surgical loading unit
US11737747B2 (en) 2019-12-17 2023-08-29 Covidien Lp Hand-held surgical instruments
US11504117B2 (en) 2020-04-02 2022-11-22 Covidien Lp Hand-held surgical instruments

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168582A (en) * 1957-02-13 1958-12-10 Thomson Houston Comp Francaise Device for concentrating an electron beam using simultaneously electric and magnetic fields
FR1500573A (en) * 1965-11-03 1967-11-03 Emi Ltd Improvements to electron accelerators, especially klystrons
JPS56141139A (en) * 1980-04-07 1981-11-04 Toshiba Corp Electrode support insulator
JPS5819838A (en) * 1981-07-29 1983-02-05 Nec Corp Current controlling helix travelling-wave tube
EP0379403A1 (en) * 1989-01-17 1990-07-25 Thomson Tubes Electroniques Electron gun comprising a device producing a magnetic field in the proximity of the cathode

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1168582A (en) * 1957-02-13 1958-12-10 Thomson Houston Comp Francaise Device for concentrating an electron beam using simultaneously electric and magnetic fields
FR1500573A (en) * 1965-11-03 1967-11-03 Emi Ltd Improvements to electron accelerators, especially klystrons
JPS56141139A (en) * 1980-04-07 1981-11-04 Toshiba Corp Electrode support insulator
JPS5819838A (en) * 1981-07-29 1983-02-05 Nec Corp Current controlling helix travelling-wave tube
EP0379403A1 (en) * 1989-01-17 1990-07-25 Thomson Tubes Electroniques Electron gun comprising a device producing a magnetic field in the proximity of the cathode

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 21 (E - 93)<899> 6 February 1982 (1982-02-06) *
PATENT ABSTRACTS OF JAPAN vol. 7, no. 99 (E - 172)<1244> 27 April 1983 (1983-04-27) *
Y. MORISHITA ET AL.: "Development of 200 W TWT's for broadcast satellites", NHK LABORATORIES NOTE, no. 306, September 1984 (1984-09-01), TOKYO JP, pages 2 - 11 *

Also Published As

Publication number Publication date
GB9220226D0 (en) 1992-11-04
EP0589606A2 (en) 1994-03-30

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