FR718758A - Process for the manufacture of high emission cathodes - Google Patents

Process for the manufacture of high emission cathodes

Info

Publication number
FR718758A
FR718758A FR718758DA FR718758A FR 718758 A FR718758 A FR 718758A FR 718758D A FR718758D A FR 718758DA FR 718758 A FR718758 A FR 718758A
Authority
FR
France
Prior art keywords
manufacture
high emission
emission cathodes
cathodes
emission
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
Heinz Benjamin
Erwin Ehrig
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.)
Loewe Opta GmbH
Original Assignee
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR718758A publication Critical patent/FR718758A/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)
FR718758D 1930-06-18 1931-06-17 Process for the manufacture of high emission cathodes Expired FR718758A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR718758A true FR718758A (en) 1932-01-28

Family

ID=6344695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718758D Expired FR718758A (en) 1930-06-18 1931-06-17 Process for the manufacture of high emission cathodes

Country Status (3)

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

Also Published As

Publication number Publication date
GB379432A (en) 1932-09-01
BE380581A (en)

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