FR1086891A - Improvements in the manufacture of thermionic cathodes - Google Patents

Improvements in the manufacture of thermionic cathodes

Info

Publication number
FR1086891A
FR1086891A FR1086891DA FR1086891A FR 1086891 A FR1086891 A FR 1086891A FR 1086891D A FR1086891D A FR 1086891DA FR 1086891 A FR1086891 A FR 1086891A
Authority
FR
France
Prior art keywords
manufacture
thermionic cathodes
thermionic
cathodes
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1086891A publication Critical patent/FR1086891A/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)
FR1086891D 1953-07-18 1953-07-18 Improvements in the manufacture of thermionic cathodes Expired FR1086891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1086891T 1953-07-18

Publications (1)

Publication Number Publication Date
FR1086891A true FR1086891A (en) 1955-02-16

Family

ID=9613017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1086891D Expired FR1086891A (en) 1953-07-18 1953-07-18 Improvements in the manufacture of thermionic cathodes

Country Status (1)

Country Link
FR (1) FR1086891A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0641006A1 (en) * 1993-08-24 1995-03-01 Samsung Display Devices Co., Ltd. Cathode for an electron tube
NL1009716C2 (en) * 1997-07-23 1999-03-12 Nec Corp A method of manufacturing a cathode member and electron tube equipped therewith.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0641006A1 (en) * 1993-08-24 1995-03-01 Samsung Display Devices Co., Ltd. Cathode for an electron tube
NL1009716C2 (en) * 1997-07-23 1999-03-12 Nec Corp A method of manufacturing a cathode member and electron tube equipped therewith.

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