GB356715A - Process for the manufacture of oxide cathodes for electric discharge tubes - Google Patents

Process for the manufacture of oxide cathodes for electric discharge tubes

Info

Publication number
GB356715A
GB356715A GB17582/30A GB1758230A GB356715A GB 356715 A GB356715 A GB 356715A GB 17582/30 A GB17582/30 A GB 17582/30A GB 1758230 A GB1758230 A GB 1758230A GB 356715 A GB356715 A GB 356715A
Authority
GB
United Kingdom
Prior art keywords
tungsten
metal
molybdenum
barium
oxide
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
GB17582/30A
Other languages
English (en)
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB356715A publication Critical patent/GB356715A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12833—Alternative to or next to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Lasers (AREA)
  • Electroluminescent Light Sources (AREA)
GB17582/30A 1929-12-23 1930-06-06 Process for the manufacture of oxide cathodes for electric discharge tubes Expired GB356715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU356715X 1929-12-23

Publications (1)

Publication Number Publication Date
GB356715A true GB356715A (en) 1931-09-07

Family

ID=10978920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17582/30A Expired GB356715A (en) 1929-12-23 1930-06-06 Process for the manufacture of oxide cathodes for electric discharge tubes

Country Status (5)

Country Link
US (1) US2019546A (en:Method)
BE (1) BE370724A (en:Method)
FR (1) FR696590A (en:Method)
GB (1) GB356715A (en:Method)
NL (1) NL34392C (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417133A (en) * 1940-11-23 1947-03-11 Du Pont Electrodepositing and heat-treating molybdenum-oxygen deposits
US2512141A (en) * 1945-06-14 1950-06-20 Westinghouse Electric Corp Coating articles with molybdenum

Also Published As

Publication number Publication date
BE370724A (en:Method)
NL34392C (en:Method)
US2019546A (en) 1935-11-05
FR696590A (fr) 1931-01-05

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