GB1460401A - Cathode oxide coating composition - Google Patents

Cathode oxide coating composition

Info

Publication number
GB1460401A
GB1460401A GB277275A GB277275A GB1460401A GB 1460401 A GB1460401 A GB 1460401A GB 277275 A GB277275 A GB 277275A GB 277275 A GB277275 A GB 277275A GB 1460401 A GB1460401 A GB 1460401A
Authority
GB
United Kingdom
Prior art keywords
coating composition
oxide coating
cathode oxide
oxide
cathode
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
GB277275A
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.)
KATSMAN Y A KRASINKOVA M V MOI
Shklyar A G
Original Assignee
KATSMAN Y A KRASINKOVA M V MOI
Shklyar A G
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 KATSMAN Y A KRASINKOVA M V MOI, Shklyar A G filed Critical KATSMAN Y A KRASINKOVA M V MOI
Priority to GB277275A priority Critical patent/GB1460401A/en
Publication of GB1460401A publication Critical patent/GB1460401A/en
Expired 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

1460401 Thermionic cathode materials Y A KATSMAN M V KRASINKOVA B Y MOIZHES and A G SHKLYAR 22 Jan 1975 2772/75 Heading H1D [Also in Division C1] A coating for a cathode comprises, in molar per cent, barium oxide 1 to 20, strontium oxide 30 to 50 and calcium oxide 40 to 65. Examples of particular compositions within these ranges are given in which the respective proportions of the aforesaid oxides are 5, 30, 65; 10, 50, 40; 20, 30, 50; 1, 49, 50; 10, 36, 54; and 5, 38, 57.
GB277275A 1975-01-22 1975-01-22 Cathode oxide coating composition Expired GB1460401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB277275A GB1460401A (en) 1975-01-22 1975-01-22 Cathode oxide coating composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB277275A GB1460401A (en) 1975-01-22 1975-01-22 Cathode oxide coating composition

Publications (1)

Publication Number Publication Date
GB1460401A true GB1460401A (en) 1977-01-06

Family

ID=9745615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB277275A Expired GB1460401A (en) 1975-01-22 1975-01-22 Cathode oxide coating composition

Country Status (1)

Country Link
GB (1) GB1460401A (en)

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Legal Events

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