GB2067007B - Device for generating electron beams - Google Patents

Device for generating electron beams

Info

Publication number
GB2067007B
GB2067007B GB8040451A GB8040451A GB2067007B GB 2067007 B GB2067007 B GB 2067007B GB 8040451 A GB8040451 A GB 8040451A GB 8040451 A GB8040451 A GB 8040451A GB 2067007 B GB2067007 B GB 2067007B
Authority
GB
United Kingdom
Prior art keywords
electron beams
generating electron
generating
beams
electron
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.)
Expired
Application number
GB8040451A
Other versions
GB2067007A (en
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.)
MAN AG
Original Assignee
MAN Maschinenfabrik Augsburg Nuernberg AG
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 MAN Maschinenfabrik Augsburg Nuernberg AG filed Critical MAN Maschinenfabrik Augsburg Nuernberg AG
Publication of GB2067007A publication Critical patent/GB2067007A/en
Application granted granted Critical
Publication of GB2067007B publication Critical patent/GB2067007B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J33/00—Discharge tubes with provision for emergence of electrons or ions from the vessel; Lenard tubes
    • H01J33/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
GB8040451A 1979-12-18 1980-12-17 Device for generating electron beams Expired GB2067007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2950897A DE2950897C2 (en) 1979-12-18 1979-12-18 Device for generating electron beams

Publications (2)

Publication Number Publication Date
GB2067007A GB2067007A (en) 1981-07-15
GB2067007B true GB2067007B (en) 1984-07-04

Family

ID=6088815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040451A Expired GB2067007B (en) 1979-12-18 1980-12-17 Device for generating electron beams

Country Status (5)

Country Link
DE (1) DE2950897C2 (en)
FR (1) FR2472264A1 (en)
GB (1) GB2067007B (en)
IT (1) IT1134691B (en)
SE (1) SE8008545L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8720792D0 (en) * 1987-09-04 1987-10-14 Gen Electric Co Plc Vacuum devices
EP0312653A1 (en) * 1987-10-22 1989-04-26 Koninklijke Philips Electronics N.V. Electron image projector
FR2644627B1 (en) * 1989-03-17 1996-01-05 Videocolor CATHODE RAY TUBE WITH FIELD EFFECT ELECTRON SOURCE
US5103145A (en) * 1990-09-05 1992-04-07 Raytheon Company Luminance control for cathode-ray tube having field emission cathode
US5583393A (en) * 1994-03-24 1996-12-10 Fed Corporation Selectively shaped field emission electron beam source, and phosphor array for use therewith
FR2777113B1 (en) * 1998-04-03 2000-05-05 Commissariat Energie Atomique "ELECTRON TORCH" TYPE ELECTRON CANON

Also Published As

Publication number Publication date
SE8008545L (en) 1981-06-19
FR2472264A1 (en) 1981-06-26
FR2472264B1 (en) 1984-11-09
IT1134691B (en) 1986-08-13
GB2067007A (en) 1981-07-15
DE2950897A1 (en) 1981-06-25
DE2950897C2 (en) 1985-05-09
IT8026591A0 (en) 1980-12-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee