FR2320031A7 - Verre a indice eleve et poids specifique faible - Google Patents

Verre a indice eleve et poids specifique faible

Info

Publication number
FR2320031A7
FR2320031A7 FR7523902A FR7523902A FR2320031A7 FR 2320031 A7 FR2320031 A7 FR 2320031A7 FR 7523902 A FR7523902 A FR 7523902A FR 7523902 A FR7523902 A FR 7523902A FR 2320031 A7 FR2320031 A7 FR 2320031A7
Authority
FR
France
Prior art keywords
glass
refractive index
alkali silicate
high refractive
low specific
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
FR7523902A
Other languages
English (en)
Inventor
Jacques Gabriel Lemoine
Marius Charles Boitel
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.)
SOVIREL
Original Assignee
SOVIREL
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 SOVIREL filed Critical SOVIREL
Priority to FR7523902A priority Critical patent/FR2320031A7/fr
Application granted granted Critical
Publication of FR2320031A7 publication Critical patent/FR2320031A7/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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • 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

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)
  • Glass Compositions (AREA)
  • Surface Treatment Of Glass (AREA)
FR7523902A 1975-07-31 1975-07-31 Verre a indice eleve et poids specifique faible Expired FR2320031A7 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7523902A FR2320031A7 (fr) 1975-07-31 1975-07-31 Verre a indice eleve et poids specifique faible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7523902A FR2320031A7 (fr) 1975-07-31 1975-07-31 Verre a indice eleve et poids specifique faible

Publications (1)

Publication Number Publication Date
FR2320031A7 true FR2320031A7 (fr) 1977-02-25

Family

ID=9158583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523902A Expired FR2320031A7 (fr) 1975-07-31 1975-07-31 Verre a indice eleve et poids specifique faible

Country Status (1)

Country Link
FR (1) FR2320031A7 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427309A2 (fr) * 1978-06-01 1979-12-28 Corning Glass Works Verre d'indice de refraction eleve et de faible densite
EP0645348A1 (fr) * 1993-09-29 1995-03-29 Kabushiki Kaisha Ohara Verre optique
DE4402537A1 (de) * 1994-01-28 1995-08-03 Schott Glaswerke Bleifreies optisches Schwerflintglas
DE19603050C1 (de) * 1996-01-29 1997-03-13 Schott Glaswerke Blei- und arsenfreies optisches Leichtgewichtsglas

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427309A2 (fr) * 1978-06-01 1979-12-28 Corning Glass Works Verre d'indice de refraction eleve et de faible densite
EP0645348A1 (fr) * 1993-09-29 1995-03-29 Kabushiki Kaisha Ohara Verre optique
DE4402537A1 (de) * 1994-01-28 1995-08-03 Schott Glaswerke Bleifreies optisches Schwerflintglas
DE19603050C1 (de) * 1996-01-29 1997-03-13 Schott Glaswerke Blei- und arsenfreies optisches Leichtgewichtsglas

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