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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-03-31

Family

ID=24639388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226627D Expired GB1226627A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-08-02 1968-08-02

Country Status (1)

Country Link
GB (1) GB1226627A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
EP0379297A3 (en) * 1989-01-18 1991-01-30 THE GENERAL ELECTRIC COMPANY, p.l.c. Electronic devices

Cited By (3)

* 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
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

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Legal Events

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