JPS5420828B2 - - Google Patents

Info

Publication number
JPS5420828B2
JPS5420828B2 JP5691072A JP5691072A JPS5420828B2 JP S5420828 B2 JPS5420828 B2 JP S5420828B2 JP 5691072 A JP5691072 A JP 5691072A JP 5691072 A JP5691072 A JP 5691072A JP S5420828 B2 JPS5420828 B2 JP S5420828B2
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
JP5691072A
Other languages
Japanese (ja)
Other versions
JPS4918258A (en
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
Priority to JP5691072A priority Critical patent/JPS5420828B2/ja
Priority to GB2649673A priority patent/GB1426509A/en
Priority to US368520A priority patent/US3887835A/en
Publication of JPS4918258A publication Critical patent/JPS4918258A/ja
Publication of JPS5420828B2 publication Critical patent/JPS5420828B2/ja
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
JP5691072A 1972-06-09 1972-06-09 Expired JPS5420828B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5691072A JPS5420828B2 (en) 1972-06-09 1972-06-09
GB2649673A GB1426509A (en) 1972-06-09 1973-06-04 Field-emission electron guns
US368520A US3887835A (en) 1972-06-09 1973-06-11 Field emission electron gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5691072A JPS5420828B2 (en) 1972-06-09 1972-06-09

Publications (2)

Publication Number Publication Date
JPS4918258A JPS4918258A (en) 1974-02-18
JPS5420828B2 true JPS5420828B2 (en) 1979-07-25

Family

ID=13040599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5691072A Expired JPS5420828B2 (en) 1972-06-09 1972-06-09

Country Status (3)

Country Link
US (1) US3887835A (en)
JP (1) JPS5420828B2 (en)
GB (1) GB1426509A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289453A (en) * 1976-01-21 1977-07-27 Hitachi Ltd Electric field radiation device
US4714600A (en) * 1984-12-24 1987-12-22 Mobil Oil Corporation Process for production of phosphoric acid from dry matrix by SO3 treatment and extraction
DE3930200A1 (en) * 1989-09-09 1991-03-14 Ptr Praezisionstech Gmbh ELECTRIC BEAM GENERATOR, ESPECIALLY FOR AN ELECTRON BEAM CANNON
JPH06215714A (en) * 1992-06-05 1994-08-05 Hitachi Ltd Field emission type transmission electron microscope
JP3131339B2 (en) * 1993-12-22 2001-01-31 三菱電機株式会社 Cathode, cathode ray tube and method of operating cathode ray tube
FR2792770A1 (en) * 1999-04-22 2000-10-27 Cit Alcatel Increased vacuum residual pressure micropoint electron emission generator having cathode and interspersed electrons with rear heating element maintaining temperature above ambient.
EP2365511B1 (en) * 2010-03-10 2013-05-08 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Feedback loop for emitter flash cleaning

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5323663A (en) * 1976-08-18 1978-03-04 Danfoss As Circuit device for detecting physical character of flowing media using supersonic method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678333A (en) * 1970-06-15 1972-07-18 American Optical Corp Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges
JPS5323663B1 (en) * 1971-04-12 1978-07-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5323663A (en) * 1976-08-18 1978-03-04 Danfoss As Circuit device for detecting physical character of flowing media using supersonic method

Also Published As

Publication number Publication date
US3887835A (en) 1975-06-03
GB1426509A (en) 1976-03-03
JPS4918258A (en) 1974-02-18

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