GB1375995A - Electron beam apparatus - Google Patents

Electron beam apparatus

Info

Publication number
GB1375995A
GB1375995A GB5900671A GB5900671A GB1375995A GB 1375995 A GB1375995 A GB 1375995A GB 5900671 A GB5900671 A GB 5900671A GB 5900671 A GB5900671 A GB 5900671A GB 1375995 A GB1375995 A GB 1375995A
Authority
GB
United Kingdom
Prior art keywords
wire
electron
dec
anode
electron microscope
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
GB5900671A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1375995A publication Critical patent/GB1375995A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • 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
    • 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 or ion-optical arrangement
    • 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 or ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/075—Electron guns using thermionic emission from cathodes heated by particle bombardment or by irradiation, e.g. by laser
    • 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
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electron Sources, Ion Sources (AREA)
GB5900671A 1970-12-23 1971-12-20 Electron beam apparatus Expired GB1375995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018701A NL7018701A (enrdf_load_stackoverflow) 1970-12-23 1970-12-23

Publications (1)

Publication Number Publication Date
GB1375995A true GB1375995A (en) 1974-12-04

Family

ID=19811873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5900671A Expired GB1375995A (en) 1970-12-23 1971-12-20 Electron beam apparatus

Country Status (7)

Country Link
US (1) US3745342A (enrdf_load_stackoverflow)
JP (1) JPS568140Y2 (enrdf_load_stackoverflow)
CA (1) CA957787A (enrdf_load_stackoverflow)
DE (1) DE2161027C3 (enrdf_load_stackoverflow)
FR (1) FR2119692A5 (enrdf_load_stackoverflow)
GB (1) GB1375995A (enrdf_load_stackoverflow)
NL (1) NL7018701A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115720A (en) * 1977-03-31 1978-09-19 Rca Corporation Device having thermionic cathode heated by field-emitted electrons
NL7906958A (nl) * 1979-09-19 1981-03-23 Philips Nv Metaaldraadkathode voor elektronenstraalapparaat.
US4388560A (en) * 1981-05-26 1983-06-14 Hughes Aircraft Company Filament dispenser cathode
US4560897A (en) * 1983-06-06 1985-12-24 The United States Of America As Represented By The Department Of Energy Rigid indented cylindrical cathode for X-ray tube
NL8302275A (nl) * 1983-06-28 1985-01-16 Philips Nv Electronenstraalapparaat met metaaldraadbron.
JPH0810637B2 (ja) * 1990-08-04 1996-01-31 三菱電機株式会社 高周波電子銃装置
US6091187A (en) * 1998-04-08 2000-07-18 International Business Machines Corporation High emittance electron source having high illumination uniformity

Also Published As

Publication number Publication date
JPS568140Y2 (enrdf_load_stackoverflow) 1981-02-23
CA957787A (en) 1974-11-12
DE2161027B2 (de) 1979-03-08
FR2119692A5 (enrdf_load_stackoverflow) 1972-08-04
JPS5380361U (enrdf_load_stackoverflow) 1978-07-04
DE2161027A1 (de) 1972-07-13
US3745342A (en) 1973-07-10
NL7018701A (enrdf_load_stackoverflow) 1972-06-27
DE2161027C3 (de) 1979-11-15

Similar Documents

Publication Publication Date Title
GB714612A (en) Improvements in apparatus for heating by electronic bombardments
SE326238B (enrdf_load_stackoverflow)
GB1375995A (en) Electron beam apparatus
US3711908A (en) Method for forming small diameter tips on sintered material cathodes
GB1440776A (en) Electron-beam apparatus
ES380556A1 (es) Un metodo de fabricar un tubo de rayos catodicos.
GB982669A (en) Improvements in or relating to electron beam generators
GB1142519A (en) Charged particle beam deflection apparatus
GB1249341A (en) Improvements in or relating to x-ray tubes
GB962086A (en) Energy-selecting electron microscopes
US3034012A (en) Electron gun assemblies
GB1195896A (en) Improvements in or relating to Electron Microscopes.
GB1013622A (en) Improvements in electron-beam tubes and electron guns for use therein
GB1198126A (en) X-Ray Source
GB1359926A (en) Induced electron emission spectrometer using plural radiation sources
GB1140694A (en) Apparatus for forming electron beam
GB858416A (en) Improvements in x-ray tubes
GB1373103A (en) Electron beam apparatus
GB1418039A (en) X-ray tubes
GB1381686A (en) Electron beam heating system
GB1253268A (en) Improvements in or relating to grid-controlled transmitter tubes
GB1058522A (en) Low energy electron diffraction apparatus
GB730203A (en) Improvements relating to electron microscopes
GB949312A (en) Improvements in and relating to x-ray tubes
GB1159905A (en) X-Ray Generating Apparatus.

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee