GB712101A - Cold cathode discharge tube - Google Patents

Cold cathode discharge tube

Info

Publication number
GB712101A
GB712101A GB426051A GB426051A GB712101A GB 712101 A GB712101 A GB 712101A GB 426051 A GB426051 A GB 426051A GB 426051 A GB426051 A GB 426051A GB 712101 A GB712101 A GB 712101A
Authority
GB
United Kingdom
Prior art keywords
cathode
anode
getter
aperture
cold
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
GB426051A
Inventor
Leo Raymond Landrey
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Priority to GB426051A priority Critical patent/GB712101A/en
Publication of GB712101A publication Critical patent/GB712101A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • 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)

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

712,101. Cold-cathode tubes. SYLVANIA ELECTRIC PRODUCTS, Inc. Feb. 21, 1951. No. 4260/51. Class 39(1) A cold-cathode tube having uni form breakdown characteristics comprises a rod cathode 12 and an anode 14 with a convex sur face facing the cathode. The anode 14 has a central aperture and a getter capsule 17<SP>1</SP> is supported a 17 so that the getter may spray through an aperture 19, through the anode aperture and on to the central part of. the cathode anc the envelope wall beyond, preser ving the insulation value of spacers 22, 24. The getter capsule may be directly supported by the anode A radium-impregnated strip 3( decreases ionization time and stabilizes the breakdown voltage within very close limits. The getter may be barium or barium telluride and the cathode may be of nicke or molybdenum. The tube has a filling of argon and/or neon Specification 704,660 is referred to
GB426051A 1951-02-21 1951-02-21 Cold cathode discharge tube Expired GB712101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB426051A GB712101A (en) 1951-02-21 1951-02-21 Cold cathode discharge tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB426051A GB712101A (en) 1951-02-21 1951-02-21 Cold cathode discharge tube

Publications (1)

Publication Number Publication Date
GB712101A true GB712101A (en) 1954-07-21

Family

ID=9773758

Family Applications (1)

Application Number Title Priority Date Filing Date
GB426051A Expired GB712101A (en) 1951-02-21 1951-02-21 Cold cathode discharge tube

Country Status (1)

Country Link
GB (1) GB712101A (en)

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