GB1226627A - - Google Patents

Info

Publication number
GB1226627A
GB1226627A GB1226627DA GB1226627A GB 1226627 A GB1226627 A GB 1226627A GB 1226627D A GB1226627D A GB 1226627DA GB 1226627 A GB1226627 A GB 1226627A
Authority
GB
United Kingdom
Prior art keywords
electrode
refractory
head
emissive
refractory metal
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
Application number
Other languages
English (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
Publication of GB1226627A publication Critical patent/GB1226627A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00—Details of spark gaps
    • H01T1/24—Selection of materials for electrodes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
GB1226627D 1967-08-02 1968-08-02 Expired GB1226627A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65797467A 1967-08-02 1967-08-02

Publications (1)

Publication Number Publication Date
GB1226627A true GB1226627A (ko) 1971-03-31

Family

ID=24639388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226627D Expired GB1226627A (ko) 1967-08-02 1968-08-02

Country Status (1)

Country Link
GB (1) GB1226627A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0288616A1 (en) * 1987-04-22 1988-11-02 Alton Owen Christensen Field emission device
EP0379297A2 (en) * 1989-01-18 1990-07-25 THE GENERAL ELECTRIC COMPANY, p.l.c. Electronic devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0288616A1 (en) * 1987-04-22 1988-11-02 Alton Owen Christensen Field emission device
EP0379297A2 (en) * 1989-01-18 1990-07-25 THE GENERAL ELECTRIC COMPANY, p.l.c. Electronic devices
EP0379297A3 (en) * 1989-01-18 1991-01-30 THE GENERAL ELECTRIC COMPANY, p.l.c. Electronic devices
US5147501A (en) * 1989-01-18 1992-09-15 The General Electric Company, P.L.C. Electronic devices

Similar Documents

Publication Publication Date Title
US2175345A (en) Electric gaseous discharge device
GB1205871A (en) Electric discharge lamp comprising an envelope of densely sintered aluminium oxide
GB734311A (en) Improvements in or relating to cathodes for use in electric discharge tubes, tubes comprising such cathodes and methods of manufacturing such cathodes
GB734209A (en) Improvements in or relating to cathode bodies and electric discharge tubes comprising such cathode bodies
US2847605A (en) Electrode for fluorescent lamps
GB1272498A (en) X-ray tube having a metal envelope
GB810301A (en) Improvements in electrodes for fluorescent electric discharge lamps
GB1176333A (en) High Pressure Electric Discharge device and Cathode
GB585960A (en) Improvements in gaseous electric discharge devices
GB1226627A (ko)
US2840751A (en) Electrode coating composition and electrode for cold cathode gas discharge lamp
US2135707A (en) Gaseous electric discharge device
US2524227A (en) Thermionic emitting device
US1914762A (en) Cathode glow discharge device
US2424526A (en) Electric discharge device
GB644409A (en) Improvements in electric discharge lamps
US3259778A (en) Starting of high temperature electrode lamps
US2728004A (en) Glow tube
GB995419A (en) An electric discharge lamp
US1716545A (en) Geobqe m
US2066081A (en) Phototube
GB866466A (en) Improvements in or relating to electric discharge lamps
US1842215A (en) Electrode for gaseous discharge devices
GB1173876A (en) Method of Making Air Stable Cathode for Electric Discharge Device
US3105917A (en) Electric discharge device comprising an activated cold cathode

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee