FR677545A - Manufacturing process for high emission cathodes - Google Patents

Manufacturing process for high emission cathodes

Info

Publication number
FR677545A
FR677545A FR677545DA FR677545A FR 677545 A FR677545 A FR 677545A FR 677545D A FR677545D A FR 677545DA FR 677545 A FR677545 A FR 677545A
Authority
FR
France
Prior art keywords
manufacturing process
high emission
emission cathodes
cathodes
manufacturing
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
Other languages
French (fr)
Inventor
Bernard Loewe
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 filed Critical
Application granted granted Critical
Publication of FR677545A publication Critical patent/FR677545A/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)
FR677545D 1928-06-30 1929-06-28 Manufacturing process for high emission cathodes Expired FR677545A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE677545X 1928-06-30

Publications (1)

Publication Number Publication Date
FR677545A true FR677545A (en) 1930-03-11

Family

ID=6594123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677545D Expired FR677545A (en) 1928-06-30 1929-06-28 Manufacturing process for high emission cathodes

Country Status (2)

Country Link
BE (1) BE361924A (en)
FR (1) FR677545A (en)

Also Published As

Publication number Publication date
BE361924A (en)

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