FR834157A - Method for manufacturing oxide film cathodes - Google Patents

Method for manufacturing oxide film cathodes

Info

Publication number
FR834157A
FR834157A FR834157DA FR834157A FR 834157 A FR834157 A FR 834157A FR 834157D A FR834157D A FR 834157DA FR 834157 A FR834157 A FR 834157A
Authority
FR
France
Prior art keywords
oxide film
manufacturing oxide
film 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)
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Application granted granted Critical
Publication of FR834157A publication Critical patent/FR834157A/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)
FR834157D 1937-03-09 1938-02-23 Method for manufacturing oxide film cathodes Expired FR834157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE204994X 1937-03-09

Publications (1)

Publication Number Publication Date
FR834157A true FR834157A (en) 1938-11-15

Family

ID=5784810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834157D Expired FR834157A (en) 1937-03-09 1938-02-23 Method for manufacturing oxide film cathodes

Country Status (4)

Country Link
BE (1) BE426649A (en)
CH (1) CH204994A (en)
FR (1) FR834157A (en)
NL (1) NL54021C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047313B (en) * 1954-09-22 1958-12-24 Ets Claude Paz & Silva Electrode for gas discharge lamps

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009728B (en) * 1953-08-17 1957-06-06 Albert Flor Process for the production of cathodes for electrical discharge tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047313B (en) * 1954-09-22 1958-12-24 Ets Claude Paz & Silva Electrode for gas discharge lamps

Also Published As

Publication number Publication date
BE426649A (en)
NL54021C (en)
CH204994A (en) 1939-05-31

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