JPS568140Y2 - - Google Patents

Info

Publication number
JPS568140Y2
JPS568140Y2 JP1977154238U JP15423877U JPS568140Y2 JP S568140 Y2 JPS568140 Y2 JP S568140Y2 JP 1977154238 U JP1977154238 U JP 1977154238U JP 15423877 U JP15423877 U JP 15423877U JP S568140 Y2 JPS568140 Y2 JP S568140Y2
Authority
JP
Japan
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
JP1977154238U
Other versions
JPS5380361U (ja
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 filed Critical
Publication of JPS5380361U publication Critical patent/JPS5380361U/ja
Application granted granted Critical
Publication of JPS568140Y2 publication Critical patent/JPS568140Y2/ja
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, 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, 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electron Sources, Ion Sources (AREA)
JP1977154238U 1970-12-23 1977-11-18 Expired JPS568140Y2 (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5380361U JPS5380361U (ja) 1978-07-04
JPS568140Y2 true JPS568140Y2 (ja) 1981-02-23

Family

ID=19811873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977154238U Expired JPS568140Y2 (ja) 1970-12-23 1977-11-18

Country Status (7)

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

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028244B (de) * 1954-09-18 1958-04-17 Zeiss Carl Fa Verfahren und Einrichtung zur Erzeugung einer Elektronen-gluehemission bei Elektronenstrahlgeraeten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028244B (de) * 1954-09-18 1958-04-17 Zeiss Carl Fa Verfahren und Einrichtung zur Erzeugung einer Elektronen-gluehemission bei Elektronenstrahlgeraeten

Also Published As

Publication number Publication date
JPS5380361U (ja) 1978-07-04
FR2119692A5 (ja) 1972-08-04
DE2161027B2 (de) 1979-03-08
DE2161027C3 (de) 1979-11-15
GB1375995A (en) 1974-12-04
DE2161027A1 (de) 1972-07-13
NL7018701A (ja) 1972-06-27
US3745342A (en) 1973-07-10
CA957787A (en) 1974-11-12

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