FR1453926A - Electric field emission cathode and electron beam tube using such a cathode - Google Patents

Electric field emission cathode and electron beam tube using such a cathode

Info

Publication number
FR1453926A
FR1453926A FR24598A FR24598A FR1453926A FR 1453926 A FR1453926 A FR 1453926A FR 24598 A FR24598 A FR 24598A FR 24598 A FR24598 A FR 24598A FR 1453926 A FR1453926 A FR 1453926A
Authority
FR
France
Prior art keywords
cathode
electric field
electron beam
field emission
beam tube
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
FR24598A
Other languages
French (fr)
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.)
Field Emission Corp
Original Assignee
Field Emission Corp
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 Field Emission Corp filed Critical Field Emission Corp
Application granted granted Critical
Publication of FR1453926A publication Critical patent/FR1453926A/en
Expired 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 or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
FR24598A 1964-11-02 1965-07-13 Electric field emission cathode and electron beam tube using such a cathode Expired FR1453926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US408035A US3374386A (en) 1964-11-02 1964-11-02 Field emission cathode having tungsten miller indices 100 plane coated with zirconium, hafnium or magnesium on oxygen binder

Publications (1)

Publication Number Publication Date
FR1453926A true FR1453926A (en) 1966-07-22

Family

ID=23614585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR24598A Expired FR1453926A (en) 1964-11-02 1965-07-13 Electric field emission cathode and electron beam tube using such a cathode

Country Status (5)

Country Link
US (1) US3374386A (en)
DE (1) DE1290637B (en)
FR (1) FR1453926A (en)
GB (1) GB1079342A (en)
NL (1) NL6508856A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301918A1 (en) * 1975-02-19 1976-09-17 Philips Nv CATHODIC TUBE EQUIPPED WITH A SOURCE EMITTING ELECTRONS UNDER THE ACTION OF AN ELECTRIC FIELD

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467878A (en) * 1966-06-27 1969-09-16 Gen Electric Electron discharge device with arrangement for replenishing emissive material on a smooth cathode surface
US3461338A (en) * 1967-01-16 1969-08-12 Ibm Non-inductive filament configuration
GB1291221A (en) * 1968-07-07 1972-10-04 Smith Kenneth C A Electron probe forming system
US3532923A (en) * 1969-03-17 1970-10-06 Ibm Pyrolytic graphite support for lanthanum hexaboride cathode emitter
US3814975A (en) * 1969-08-06 1974-06-04 Gen Electric Electron emission system
US3846660A (en) * 1969-08-06 1974-11-05 Gen Electric Electron beam generating system with collimated focusing means
US3666985A (en) * 1969-10-20 1972-05-30 Gen Electric High resolution electron optic system for camera tubes
NL7003279A (en) * 1970-03-07 1971-09-09
US3694689A (en) * 1971-02-24 1972-09-26 Tektronix Inc Electron beam deflection apparatus
US3869636A (en) * 1972-05-08 1975-03-04 United Aircraft Corp Filament for electron guns
US3809899A (en) * 1972-08-17 1974-05-07 Tektronix Inc Electron-beam tube including a thermionic-field emission cathode for a scanning electron microscope
US3817592A (en) * 1972-09-29 1974-06-18 Linfield Res Inst Method for reproducibly fabricating and using stable thermal-field emission cathodes
US3947716A (en) * 1973-08-27 1976-03-30 The United States Of America As Represented By The Secretary Of The Army Field emission tip and process for making same
JPS5518014B2 (en) * 1974-12-20 1980-05-15
JPS5522741B2 (en) * 1975-01-16 1980-06-18
DE3039283A1 (en) * 1979-10-19 1981-05-14 Hitachi, Ltd., Tokyo FIELD EMISSION CATHODE AND METHOD FOR THEIR PRODUCTION
US4325000A (en) * 1980-04-20 1982-04-13 Burroughs Corporation Low work function cathode
CA1141420A (en) * 1980-06-20 1983-02-15 Stephen Lhotsky Method and apparatus for electrolytic sharpening of a filament
US4499405A (en) * 1981-05-20 1985-02-12 Rpc Industries Hot cathode for broad beam electron gun
US4445041A (en) * 1981-06-02 1984-04-24 Hewlett-Packard Company Electron beam blanker
US4588928A (en) * 1983-06-15 1986-05-13 At&T Bell Laboratories Electron emission system
NL8400779A (en) * 1984-03-12 1985-10-01 Philips Nv CATHED BEAM TUBE.
DE3831940A1 (en) * 1988-09-20 1990-04-05 Siemens Ag ELECTRONIC RADIATOR
CA1317035C (en) * 1989-01-25 1993-04-27 Matthias Brunner Method for examining a specimen in a particle beam instrument
EP1983543A1 (en) * 2007-04-20 2008-10-22 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Gun chamber, charged particle beam apparatus and method of operating same
CN102629538B (en) 2012-04-13 2014-03-19 吴江炀晟阴极材料有限公司 Electrode material with low work function and high chemical stability
US11037753B2 (en) * 2018-07-03 2021-06-15 Kla Corporation Magnetically microfocused electron emission source

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US1932084A (en) * 1929-08-14 1933-10-24 Westinghouse Electric & Mfg Co Cathode ray oscillograph
DE695645C (en) * 1936-11-17 1940-08-29 Siemens & Halske Akt Ges Process for the production of a cathode for high-voltage tubes with auto-electronic discharge
US2332622A (en) * 1941-10-11 1943-10-26 Bell Telephone Labor Inc Electron discharge device
US2453118A (en) * 1946-05-08 1948-11-09 Western Union Telegraph Co Concentrated arc discharge device
US2687471A (en) * 1948-05-01 1954-08-24 Western Union Telegraph Co Concentrated arc discharge device
US2570124A (en) * 1949-10-20 1951-10-02 Rca Corp Positive ion beam gun
US2886736A (en) * 1954-02-02 1959-05-12 Research Corp Current rectifier
US2919380A (en) * 1957-07-23 1959-12-29 Philco Corp Electron discharge devices
DE1099659B (en) * 1958-08-30 1961-02-16 Zeiss Carl Fa Shielding device
NL266639A (en) * 1960-07-05
NL285235A (en) * 1961-11-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301918A1 (en) * 1975-02-19 1976-09-17 Philips Nv CATHODIC TUBE EQUIPPED WITH A SOURCE EMITTING ELECTRONS UNDER THE ACTION OF AN ELECTRIC FIELD

Also Published As

Publication number Publication date
DE1290637B (en) 1969-03-13
GB1079342A (en) 1967-08-16
US3374386A (en) 1968-03-19
NL6508856A (en) 1966-05-03

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