FR857723A - Procédé permettant de sceller dans le verre un objet en tungstène - Google Patents

Procédé permettant de sceller dans le verre un objet en tungstène

Info

Publication number
FR857723A
FR857723A FR857723DA FR857723A FR 857723 A FR857723 A FR 857723A FR 857723D A FR857723D A FR 857723DA FR 857723 A FR857723 A FR 857723A
Authority
FR
France
Prior art keywords
sealing
glass
tungsten
tungsten object
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)
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 FR857723A publication Critical patent/FR857723A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/26—Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0037—Solid sealing members other than lamp bases
    • H01J2893/0041—Direct connection between insulating and metal elements, in particular via glass material
    • H01J2893/0043—Glass-to-metal or quartz-to-metal, e.g. by soldering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
FR857723D 1938-07-13 1939-07-12 Procédé permettant de sceller dans le verre un objet en tungstène Expired FR857723A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL54839T 1938-07-13

Publications (1)

Publication Number Publication Date
FR857723A true FR857723A (fr) 1940-09-26

Family

ID=32844951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857723D Expired FR857723A (fr) 1938-07-13 1939-07-12 Procédé permettant de sceller dans le verre un objet en tungstène

Country Status (6)

Country Link
BE (1) BE435393A (de)
CH (1) CH214493A (de)
DE (1) DE1079288B (de)
FR (1) FR857723A (de)
GB (1) GB532451A (de)
NL (1) NL54839C (de)

Also Published As

Publication number Publication date
GB532451A (en) 1941-01-24
BE435393A (de) 1939-08-31
CH214493A (de) 1941-04-30
DE1079288B (de) 1960-04-07
NL54839C (de) 1943-02-15

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