FR792316A - Perfectionnements apportés aux tubes à décharges électriques - Google Patents

Perfectionnements apportés aux tubes à décharges électriques

Info

Publication number
FR792316A
FR792316A FR792316DA FR792316A FR 792316 A FR792316 A FR 792316A FR 792316D A FR792316D A FR 792316DA FR 792316 A FR792316 A FR 792316A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
tubes
electric
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
English (en)
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 FR792316A publication Critical patent/FR792316A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR792316D 1934-07-26 1935-07-10 Perfectionnements apportés aux tubes à décharges électriques Expired FR792316A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE440551X 1934-07-26

Publications (1)

Publication Number Publication Date
FR792316A true FR792316A (fr) 1935-12-28

Family

ID=6510784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792316D Expired FR792316A (fr) 1934-07-26 1935-07-10 Perfectionnements apportés aux tubes à décharges électriques

Country Status (3)

Country Link
US (1) US2103043A (fr)
FR (1) FR792316A (fr)
GB (1) GB440551A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060208641A1 (en) * 2005-03-15 2006-09-21 Takashi Maniwa Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatus
EP1913919B1 (fr) 2006-10-16 2011-07-27 Jensen Møbler as Ajustable support pour un lit et lit avec un repose-tête ajustable

Also Published As

Publication number Publication date
GB440551A (en) 1936-01-01
US2103043A (en) 1937-12-21

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