JPH01281635A - 直接加熱式陰極 - Google Patents

直接加熱式陰極

Info

Publication number
JPH01281635A
JPH01281635A JP1017389A JP1738989A JPH01281635A JP H01281635 A JPH01281635 A JP H01281635A JP 1017389 A JP1017389 A JP 1017389A JP 1738989 A JP1738989 A JP 1738989A JP H01281635 A JPH01281635 A JP H01281635A
Authority
JP
Japan
Prior art keywords
conductor
conductors
cathode
heater current
rim
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.)
Pending
Application number
JP1017389A
Other languages
English (en)
Japanese (ja)
Inventor
Hugh Pickering Alan
アレン　ヒュー　ピッカリング
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.)
Teledyne UK Ltd
Original Assignee
EEV Ltd
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 EEV Ltd filed Critical EEV Ltd
Publication of JPH01281635A publication Critical patent/JPH01281635A/ja
Pending 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

Landscapes

  • Microwave Tubes (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
JP1017389A 1988-01-26 1989-01-26 直接加熱式陰極 Pending JPH01281635A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8801633A GB2214705A (en) 1988-01-26 1988-01-26 Directly heated cathode
GB8801633 1988-01-26

Publications (1)

Publication Number Publication Date
JPH01281635A true JPH01281635A (ja) 1989-11-13

Family

ID=10630502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1017389A Pending JPH01281635A (ja) 1988-01-26 1989-01-26 直接加熱式陰極

Country Status (3)

Country Link
EP (1) EP0326273A3 (fr)
JP (1) JPH01281635A (fr)
GB (1) GB2214705A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014041639A1 (ja) * 2012-09-12 2016-08-12 株式会社島津製作所 Ｘ線管装置およびｘ線管装置の使用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL14962C (fr) * 1923-10-17
FR692167A (fr) * 1930-01-28 1930-10-31 Cathode à protection thermique
BE514838A (fr) * 1951-10-15
US3461338A (en) * 1967-01-16 1969-08-12 Ibm Non-inductive filament configuration
FR1599106A (fr) * 1968-11-29 1970-07-15
EP0101108B1 (fr) * 1982-07-27 1987-01-21 BBC Aktiengesellschaft Brown, Boveri & Cie. Tube électronique, en particulier tube émetteur
US4473777A (en) * 1982-09-29 1984-09-25 The Perkin-Elmer Corporation Electron emitter assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014041639A1 (ja) * 2012-09-12 2016-08-12 株式会社島津製作所 Ｘ線管装置およびｘ線管装置の使用方法

Also Published As

Publication number Publication date
EP0326273A2 (fr) 1989-08-02
EP0326273A3 (fr) 1990-07-11
GB8801633D0 (en) 1988-02-24
GB2214705A (en) 1989-09-06

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