FR1202637A - Cathode body and its manufacturing process - Google Patents

Cathode body and its manufacturing process

Info

Publication number
FR1202637A
FR1202637A FR1202637DA FR1202637A FR 1202637 A FR1202637 A FR 1202637A FR 1202637D A FR1202637D A FR 1202637DA FR 1202637 A FR1202637 A FR 1202637A
Authority
FR
France
Prior art keywords
manufacturing process
cathode body
cathode
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1202637A publication Critical patent/FR1202637A/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)
  • Laminated Bodies (AREA)
FR1202637D 1957-09-20 1958-09-19 Cathode body and its manufacturing process Expired FR1202637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1202637X 1957-09-20

Publications (1)

Publication Number Publication Date
FR1202637A true FR1202637A (en) 1960-01-12

Family

ID=10882076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1202637D Expired FR1202637A (en) 1957-09-20 1958-09-19 Cathode body and its manufacturing process

Country Status (2)

Country Link
DE (1) DE1063717B (en)
FR (1) FR1202637A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660547A (en) * 1952-02-08 1953-11-24 Gen Electric Co Ltd Method of forming a particle coating on a metal component of an electric discharge device
US2986671A (en) * 1954-08-31 1961-05-30 Sylvania Electric Prod Application of strip coating to cathode

Also Published As

Publication number Publication date
DE1063717B (en) 1959-08-20

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