GB818051A - Improvements in or relating to the manufacture of thermionic cathodes - Google Patents

Improvements in or relating to the manufacture of thermionic cathodes

Info

Publication number
GB818051A
GB818051A GB917256A GB917256A GB818051A GB 818051 A GB818051 A GB 818051A GB 917256 A GB917256 A GB 917256A GB 917256 A GB917256 A GB 917256A GB 818051 A GB818051 A GB 818051A
Authority
GB
United Kingdom
Prior art keywords
relating
manufacture
thermionic cathodes
per cent
thermionic
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
GB917256A
Inventor
Geoffrey William Warren
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB818051A publication Critical patent/GB818051A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042Manufacture, activation of the emissive part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material

Abstract

An alloy used as a reducing agent in a thermionic cathode consists of 70 per cent by weight of nickel and 30 per cent silicon.
GB917256A 1956-03-23 Improvements in or relating to the manufacture of thermionic cathodes Expired GB818051A (en)

Publications (1)

Publication Number Publication Date
GB818051A true GB818051A (en) 1959-08-12

Family

ID=1629679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB917256A Expired GB818051A (en) 1956-03-23 Improvements in or relating to the manufacture of thermionic cathodes

Country Status (1)

Country Link
GB (1) GB818051A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148056A (en) * 1962-08-10 1964-09-08 Westinghouse Electric Corp Cathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148056A (en) * 1962-08-10 1964-09-08 Westinghouse Electric Corp Cathode

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