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 cathodeInfo
- 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
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
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)
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)
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)
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 |
-
1964
- 1964-11-02 US US408035A patent/US3374386A/en not_active Expired - Lifetime
-
1965
- 1965-06-29 DE DEF46459A patent/DE1290637B/en active Pending
- 1965-06-30 GB GB27653/65A patent/GB1079342A/en not_active Expired
- 1965-07-09 NL NL6508856A patent/NL6508856A/xx unknown
- 1965-07-13 FR FR24598A patent/FR1453926A/en not_active Expired
Cited By (1)
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 |
---|---|
GB1079342A (en) | 1967-08-16 |
US3374386A (en) | 1968-03-19 |
NL6508856A (en) | 1966-05-03 |
DE1290637B (en) | 1969-03-13 |
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