GB379432A - A method of producing highly emissive thermionic cathodes - Google Patents

A method of producing highly emissive thermionic cathodes

Info

Publication number
GB379432A
GB379432A GB17543/31A GB1754331A GB379432A GB 379432 A GB379432 A GB 379432A GB 17543/31 A GB17543/31 A GB 17543/31A GB 1754331 A GB1754331 A GB 1754331A GB 379432 A GB379432 A GB 379432A
Authority
GB
United Kingdom
Prior art keywords
wire
june
paste
nickel
heated
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
GB17543/31A
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.)
ERWIN EHRIG
Loewe Opta GmbH
Original Assignee
ERWIN EHRIG
Loewe Opta GmbH
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 ERWIN EHRIG, Loewe Opta GmbH filed Critical ERWIN EHRIG
Publication of GB379432A publication Critical patent/GB379432A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
GB17543/31A 1930-06-18 1931-06-17 A method of producing highly emissive thermionic cathodes Expired GB379432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE379432X 1930-06-18

Publications (1)

Publication Number Publication Date
GB379432A true GB379432A (en) 1932-09-01

Family

ID=6344695

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17543/31A Expired GB379432A (en) 1930-06-18 1931-06-17 A method of producing highly emissive thermionic cathodes

Country Status (3)

Country Link
BE (1) BE380581A (OSRAM)
FR (1) FR718758A (OSRAM)
GB (1) GB379432A (OSRAM)

Also Published As

Publication number Publication date
FR718758A (fr) 1932-01-28
BE380581A (OSRAM)

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