FR1555165A - - Google Patents

Info

Publication number
FR1555165A
FR1555165A FR1555165DA FR1555165A FR 1555165 A FR1555165 A FR 1555165A FR 1555165D A FR1555165D A FR 1555165DA FR 1555165 A FR1555165 A FR 1555165A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR1555165A publication Critical patent/FR1555165A/fr
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)
  • Discharge Lamp (AREA)
FR1555165D 1967-02-23 1968-02-23 Expired FR1555165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61802167A 1967-02-23 1967-02-23

Publications (1)

Publication Number Publication Date
FR1555165A true FR1555165A (en) 1969-01-24

Family

ID=24476009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1555165D Expired FR1555165A (en) 1967-02-23 1968-02-23

Country Status (5)

Country Link
BE (1) BE711236A (en)
DE (1) DE1696630A1 (en)
FR (1) FR1555165A (en)
GB (1) GB1173876A (en)
NL (1) NL6802388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347774A1 (en) * 1976-04-09 1977-11-04 Gte Sylvania Inc IMPROVEMENTS FOR HIGH PRESSURE MERCURY VAPOR DISCHARGE LAMPS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT15991U1 (en) 2017-05-12 2018-10-15 Plansee Se High-temperature component
CN111850524B (en) * 2020-07-17 2022-08-30 广东威特真空电子制造有限公司 Rare earth tungsten cathode and preparation method and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347774A1 (en) * 1976-04-09 1977-11-04 Gte Sylvania Inc IMPROVEMENTS FOR HIGH PRESSURE MERCURY VAPOR DISCHARGE LAMPS

Also Published As

Publication number Publication date
NL6802388A (en) 1968-08-26
GB1173876A (en) 1969-12-10
BE711236A (en) 1968-07-01
DE1696630A1 (en) 1971-11-04

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Legal Events

Date Code Title Description
ST Notification of lapse