FR2440610B1 - - Google Patents

Info

Publication number
FR2440610B1
FR2440610B1 FR7926977A FR7926977A FR2440610B1 FR 2440610 B1 FR2440610 B1 FR 2440610B1 FR 7926977 A FR7926977 A FR 7926977A FR 7926977 A FR7926977 A FR 7926977A FR 2440610 B1 FR2440610 B1 FR 2440610B1
Authority
FR
France
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
FR7926977A
Other languages
French (fr)
Other versions
FR2440610A1 (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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Publication of FR2440610A1 publication Critical patent/FR2440610A1/fr
Application granted granted Critical
Publication of FR2440610B1 publication Critical patent/FR2440610B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR7926977A 1978-11-01 1979-10-31 Ensemble de cathode thermionique Granted FR2440610A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53133795A JPS6023456B2 (ja) 1978-11-01 1978-11-01 熱電子陰極装置

Publications (2)

Publication Number Publication Date
FR2440610A1 FR2440610A1 (fr) 1980-05-30
FR2440610B1 true FR2440610B1 (ja) 1984-03-16

Family

ID=15113190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926977A Granted FR2440610A1 (fr) 1978-11-01 1979-10-31 Ensemble de cathode thermionique

Country Status (4)

Country Link
JP (1) JPS6023456B2 (ja)
DE (1) DE2944083A1 (ja)
FR (1) FR2440610A1 (ja)
GB (1) GB2038541B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147945A (ja) * 1982-02-25 1983-09-02 Toshiba Corp 電子銃の使用方法
JP4951477B2 (ja) * 2006-12-04 2012-06-13 電気化学工業株式会社 電子放出源

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532923A (en) * 1969-03-17 1970-10-06 Ibm Pyrolytic graphite support for lanthanum hexaboride cathode emitter
JPS5277661A (en) * 1975-12-24 1977-06-30 Jeol Ltd Electron gun
US4054946A (en) * 1976-09-28 1977-10-18 Bell Telephone Laboratories, Incorporated Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane
JPS53128971A (en) * 1977-04-18 1978-11-10 Hitachi Ltd Manufacture of electron radiation cathode
CH617793A5 (ja) * 1977-09-02 1980-06-13 Balzers Hochvakuum

Also Published As

Publication number Publication date
DE2944083C2 (ja) 1987-09-17
JPS6023456B2 (ja) 1985-06-07
GB2038541A (en) 1980-07-23
DE2944083A1 (de) 1980-05-14
FR2440610A1 (fr) 1980-05-30
GB2038541B (en) 1983-03-23
JPS5562639A (en) 1980-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse