FR836016A - Manufacturing process for high secondary emission electrodes - Google Patents

Manufacturing process for high secondary emission electrodes

Info

Publication number
FR836016A
FR836016A FR836016DA FR836016A FR 836016 A FR836016 A FR 836016A FR 836016D A FR836016D A FR 836016DA FR 836016 A FR836016 A FR 836016A
Authority
FR
France
Prior art keywords
manufacturing process
secondary emission
high secondary
emission electrodes
electrodes
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 FR836016A publication Critical patent/FR836016A/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
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Cold Cathode And The Manufacture (AREA)
FR836016D 1937-04-02 1938-04-01 Manufacturing process for high secondary emission electrodes Expired FR836016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL207265X 1937-04-02

Publications (1)

Publication Number Publication Date
FR836016A true FR836016A (en) 1939-01-09

Family

ID=19778619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836016D Expired FR836016A (en) 1937-04-02 1938-04-01 Manufacturing process for high secondary emission electrodes

Country Status (6)

Country Link
US (1) US2190695A (en)
BE (1) BE427303A (en)
CH (1) CH207265A (en)
FR (1) FR836016A (en)
GB (1) GB492025A (en)
NL (1) NL50264C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637002A (en) * 1953-04-28 Television pickup tube
BE446289A (en) * 1941-07-03
US2530167A (en) * 1944-12-14 1950-11-14 Hartford Nat Bank & Trust Co Discharge tube
GB1200899A (en) * 1967-04-21 1970-08-05 Mullard Ltd Improvements in or relating to photocathodes

Also Published As

Publication number Publication date
US2190695A (en) 1940-02-20
GB492025A (en) 1938-09-13
CH207265A (en) 1939-10-15
BE427303A (en)
NL50264C (en)

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