FR2440610A1 - Ensemble de cathode thermionique - Google Patents

Ensemble de cathode thermionique

Info

Publication number
FR2440610A1
FR2440610A1 FR7926977A FR7926977A FR2440610A1 FR 2440610 A1 FR2440610 A1 FR 2440610A1 FR 7926977 A FR7926977 A FR 7926977A FR 7926977 A FR7926977 A FR 7926977A FR 2440610 A1 FR2440610 A1 FR 2440610A1
Authority
FR
France
Prior art keywords
point
elements
supporting
cathode assembly
contact
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.)
Granted
Application number
FR7926977A
Other languages
English (en)
French (fr)
Other versions
FR2440610B1 (ja
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

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
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 true FR2440610A1 (fr) 1980-05-30
FR2440610B1 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402297A1 (fr) * 1977-09-02 1979-03-30 Balzers Hochvakuum Cathode a emission electronique

Family Cites Families (4)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402297A1 (fr) * 1977-09-02 1979-03-30 Balzers Hochvakuum Cathode a emission electronique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXRV/70 *

Also Published As

Publication number Publication date
JPS5562639A (en) 1980-05-12
JPS6023456B2 (ja) 1985-06-07
GB2038541A (en) 1980-07-23
GB2038541B (en) 1983-03-23
DE2944083A1 (de) 1980-05-14
FR2440610B1 (ja) 1984-03-16
DE2944083C2 (ja) 1987-09-17

Similar Documents

Publication Publication Date Title
GB806666A (en) Improvements in and relating to electric lamps
FR2440610A1 (fr) Ensemble de cathode thermionique
ATE3345T1 (de) Werkstoff fuer elektrische kontakte.
US2459702A (en) Flash lamp
ES375943A1 (es) Perfeccionamientos en los terminales con fleje para inte- rruptores.
FR2402319A1 (fr) Appareil de prise de courant electrique
GB2034924B (en) Setting the cathode heating current of an electron beam machine
GB1526818A (en) Mount for a cathode-ray tube yoke
GB619718A (en) Improvements in or relating to current collectors
ATE96939T1 (de) Flachfedersystem und ein mit einem solchen flachfedersystem ausgestatteter elektrischer schalter.
GB780292A (en) Improved electric circuit breaker and bimetal thermostatic unit therefor
GB1019601A (en) New and improved electrodes for electric cells or batteries, and methods of and apparatus for making such electrodes
US1767816A (en) Electrical heating unit
US1816660A (en) Electrical heating appliance
US2461560A (en) Electric iron
US1406681A (en) Protective device
ES466623A1 (es) Procedimiento para la produccion de una cubierta de neumati-co.
JPS547285A (en) Tuning-fork-shaped crystal vibrator
GB1005123A (en) Improvements relating to vacuum switches
GB893812A (en) Improvements in current carrying brushes
ATE67894T1 (de) Werkstoff fuer elektrische schwachstromkontakte.
GB2002598A (en) X-ray tube
US2017907A (en) Switching means
SE7711409L (sv) For inverkan av ljusbagar utsatt fast isolationsdel i en elektrisk apparat
JPS5648042A (en) X-ray tube

Legal Events

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