GB2000492B - High refractive index low density glass - Google Patents

High refractive index low density glass

Info

Publication number
GB2000492B
GB2000492B GB7828625A GB7828625A GB2000492B GB 2000492 B GB2000492 B GB 2000492B GB 7828625 A GB7828625 A GB 7828625A GB 7828625 A GB7828625 A GB 7828625A GB 2000492 B GB2000492 B GB 2000492B
Authority
GB
United Kingdom
Prior art keywords
refractive index
low density
high refractive
density glass
index low
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
GB7828625A
Other languages
English (en)
Other versions
GB2000492A (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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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
Priority claimed from FR7720329A external-priority patent/FR2395961A1/fr
Priority claimed from FR7816433A external-priority patent/FR2427309A2/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Publication of GB2000492A publication Critical patent/GB2000492A/en
Application granted granted Critical
Publication of GB2000492B publication Critical patent/GB2000492B/en
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
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container 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
    • C03C3/076—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
    • C03C4/00—Compositions for glass with special properties
    • 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/20—Compositions for glass with special properties for chemical resistant glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
GB7828625A 1977-07-01 1978-07-03 High refractive index low density glass Expired GB2000492B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7720329A FR2395961A1 (fr) 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite
FR7816433A FR2427309A2 (fr) 1978-06-01 1978-06-01 Verre d'indice de refraction eleve et de faible densite

Publications (2)

Publication Number Publication Date
GB2000492A GB2000492A (en) 1979-01-10
GB2000492B true GB2000492B (en) 1982-01-06

Family

ID=26220108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7828625A Expired GB2000492B (en) 1977-07-01 1978-07-03 High refractive index low density glass

Country Status (5)

Country Link
JP (1) JPS5416524A (cs)
DE (1) DE2828791C2 (cs)
GB (1) GB2000492B (cs)
IT (1) IT1111419B (cs)
NL (1) NL187063C (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016107934B4 (de) 2016-04-28 2023-07-13 Schott Ag Verfahren zur Herstellung hochbrechender Dünnglassubstrate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1118770A (en) * 1965-01-08 1968-07-03 Leitz Ernst Gmbh Optical flint glasses of high dispersion
GB1141627A (en) * 1966-05-03 1969-01-29 Leitz Ernst Gmbh Optical crown glass with anomalous partial dispersion
GB1235206A (en) * 1967-12-12 1971-06-09 Zeiss Stiftung Improvements in or relating to glass
GB1358650A (en) * 1971-12-02 1974-07-03 Leitz Ernst Gmbh Borosilicate glass
GB1436562A (en) * 1972-12-02 1976-05-19 Zeiss Stiftung Glass

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2660012C2 (de) * 1975-06-02 1983-12-22 Hoya Glass Works, Ltd, Tokyo Gläser für Augenlinsen mit einem Brechungsindex von mindestens 1,70, einem Abbe-Wert von 40 und einem spezifischen Gewicht von nicht mehr als 3,0g/cm↑3↑

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1118770A (en) * 1965-01-08 1968-07-03 Leitz Ernst Gmbh Optical flint glasses of high dispersion
GB1141627A (en) * 1966-05-03 1969-01-29 Leitz Ernst Gmbh Optical crown glass with anomalous partial dispersion
GB1235206A (en) * 1967-12-12 1971-06-09 Zeiss Stiftung Improvements in or relating to glass
GB1358650A (en) * 1971-12-02 1974-07-03 Leitz Ernst Gmbh Borosilicate glass
GB1436562A (en) * 1972-12-02 1976-05-19 Zeiss Stiftung Glass

Also Published As

Publication number Publication date
GB2000492A (en) 1979-01-10
IT1111419B (it) 1986-01-13
NL187063B (nl) 1990-12-17
NL187063C (nl) 1991-05-16
IT7868558A0 (it) 1978-07-03
JPS6152090B2 (cs) 1986-11-12
NL7807125A (nl) 1979-01-03
DE2828791C2 (de) 1986-07-31
JPS5416524A (en) 1979-02-07
DE2828791A1 (de) 1979-01-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950703