GB926845A - Electronic tube component - Google Patents

Electronic tube component

Info

Publication number
GB926845A
GB926845A GB1025761A GB1025761A GB926845A GB 926845 A GB926845 A GB 926845A GB 1025761 A GB1025761 A GB 1025761A GB 1025761 A GB1025761 A GB 1025761A GB 926845 A GB926845 A GB 926845A
Authority
GB
United Kingdom
Prior art keywords
nickel
layer
molybdenum
parts
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
GB1025761A
Inventor
Francis Fortescue Whittle
Clifford Edward Horner
Gene Richard Feaster
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to GB1025761A priority Critical patent/GB926845A/en
Publication of GB926845A publication Critical patent/GB926845A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26—Supports for the emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

926,845. Cathode materials and processing. WESTINGHOUSE ELECTRIC CORPORATION. March 21, 1961, No. 10257/61. Class 39 (1). An indirectly heated cathode for electrondischarge devices, e.g. cathode-ray tubes and thermionic valves, comprises a heater element and a body, for example a sleeve, having one side thereof exposed to said heater element and consisting of a material containing nickel as a main component, said body having on at least said one side an alloyed layer of nickel and a material selected from the group consisting of molybdenum, tungsten, tantalum and base alloys thereof, said layer being a surface layer formed in situ by resolidification upon said body from the liquid alloy phase. In a preferred embodiment, the nickel sleeve 61 has a layer 80, 81 containing from 60% to 90% nickel and 10% to 40% molybdenum and of a thickness not exceeding 2 mils, the concentration of molybdenum decreasing from the surface inwards. In a method of preparation, a slurry containing 3 parts by weight of acetone, 4 parts of molybdic acid anhydride (MoO 3 ) and 3 parts of a 10% solution of nitrocellulose in toluene was placed as a layer 1 mil. thick on a thin nickel sheet, and heated in an atmosphere of hydrogen and nitrogen at a temperature of 1400‹ C. for approximately 1 min. until the surface has a bright shiny appearance.
GB1025761A 1961-03-21 1961-03-21 Electronic tube component Expired GB926845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1025761A GB926845A (en) 1961-03-21 1961-03-21 Electronic tube component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1025761A GB926845A (en) 1961-03-21 1961-03-21 Electronic tube component

Publications (1)

Publication Number Publication Date
GB926845A true GB926845A (en) 1963-05-22

Family

ID=9964531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1025761A Expired GB926845A (en) 1961-03-21 1961-03-21 Electronic tube component

Country Status (1)

Country Link
GB (1) GB926845A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374385A (en) * 1963-07-10 1968-03-19 Rca Corp Electron tube cathode with nickel-tungsten alloy base and thin nickel coating
US3419744A (en) * 1964-08-17 1968-12-31 Sylvania Electric Prod Integral laminated cathode and support structure
CN110752356A (en) * 2019-10-15 2020-02-04 肇庆市华师大光电产业研究院 Preparation method of sodium ion battery anode material of double-metal selenide

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374385A (en) * 1963-07-10 1968-03-19 Rca Corp Electron tube cathode with nickel-tungsten alloy base and thin nickel coating
US3419744A (en) * 1964-08-17 1968-12-31 Sylvania Electric Prod Integral laminated cathode and support structure
CN110752356A (en) * 2019-10-15 2020-02-04 肇庆市华师大光电产业研究院 Preparation method of sodium ion battery anode material of double-metal selenide
CN110752356B (en) * 2019-10-15 2022-04-26 肇庆市华师大光电产业研究院 Preparation method of sodium ion battery anode material of double-metal selenide

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