JPS529012A - Glass for lens of eyeglass - Google Patents

Glass for lens of eyeglass

Info

Publication number
JPS529012A
JPS529012A JP8479875A JP8479875A JPS529012A JP S529012 A JPS529012 A JP S529012A JP 8479875 A JP8479875 A JP 8479875A JP 8479875 A JP8479875 A JP 8479875A JP S529012 A JPS529012 A JP S529012A
Authority
JP
Japan
Prior art keywords
eyeglass
lens
glass
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.)
Granted
Application number
JP8479875A
Other languages
Japanese (ja)
Other versions
JPS5342327B2 (en
Inventor
Hiroharu Sagara
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.)
Hoya Glass Works Ltd
Original Assignee
Hoya Glass Works Ltd
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 Hoya Glass Works Ltd filed Critical Hoya Glass Works Ltd
Priority to JP8479875A priority Critical patent/JPS529012A/en
Priority to AU14003/76A priority patent/AU484911B2/en
Priority to DE2660012A priority patent/DE2660012C2/en
Priority to DE2623683A priority patent/DE2623683C3/en
Priority to GB4741577A priority patent/GB1539232A/en
Priority to US05/692,074 priority patent/US4055435A/en
Priority to FR7616698A priority patent/FR2313328A1/en
Publication of JPS529012A publication Critical patent/JPS529012A/en
Publication of JPS5342327B2 publication Critical patent/JPS5342327B2/ja
Granted 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • 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
    • C03C3/04—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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
JP8479875A 1975-06-02 1975-07-10 Glass for lens of eyeglass Granted JPS529012A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP8479875A JPS529012A (en) 1975-07-10 1975-07-10 Glass for lens of eyeglass
AU14003/76A AU484911B2 (en) 1975-06-02 1976-05-17 Glass compositions for ophthalmic lenses
DE2660012A DE2660012C2 (en) 1975-06-02 1976-05-26 Glasses for eye lenses with a refractive index of at least 1.70, an Abbe value of 40 and a specific gravity of not more than 3.0g / cm? 3?
DE2623683A DE2623683C3 (en) 1975-06-02 1976-05-26 Glass for eye lenses with a refractive index of at least 40 and a specific gravity of no more than 3.1g / cm3
GB4741577A GB1539232A (en) 1975-07-10 1976-06-01 Glass compositions for ophthalmic lenses
US05/692,074 US4055435A (en) 1975-06-02 1976-06-02 Glass compositions for ophthalmic lenses
FR7616698A FR2313328A1 (en) 1975-06-02 1976-06-02 GLASS COMPOSITIONS FOR EYEWEAR GLASSES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8479875A JPS529012A (en) 1975-07-10 1975-07-10 Glass for lens of eyeglass

Publications (2)

Publication Number Publication Date
JPS529012A true JPS529012A (en) 1977-01-24
JPS5342327B2 JPS5342327B2 (en) 1978-11-10

Family

ID=13840713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8479875A Granted JPS529012A (en) 1975-06-02 1975-07-10 Glass for lens of eyeglass

Country Status (2)

Country Link
JP (1) JPS529012A (en)
GB (1) GB1539232A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245616A (en) * 1975-10-08 1977-04-11 Tokyo Shibaura Electric Co Process for tempering high refractive indexed glass
JPS53102325A (en) * 1977-02-18 1978-09-06 Obara Optical Glass Abrasionn and chemicallproof glass
JPS53109514A (en) * 1977-03-05 1978-09-25 Nippon Chemical Ind Glass for spectacle lens
JPH01157430A (en) * 1987-08-14 1989-06-20 Corning Glass Works Chemical resistant glass of high refractive index and low density
JPH0517176A (en) * 1991-07-05 1993-01-26 Ohara Inc Optical glass
DE19838198A1 (en) * 1998-08-24 2000-03-02 Schott Glas High elasticity modulus glass and lithium oxide-containing glass-ceramic, e.g. for hard disk substrates, have specified silicon, boron, alkali and alkaline earth metal, zirconium, titanium, niobium and lanthanum oxide contents
DE19850744C1 (en) * 1998-11-04 2000-10-05 Schott Glas Use of glasses for the production of hard disk substrates
JP2005139023A (en) * 2003-11-06 2005-06-02 Nippon Electric Glass Co Ltd Optical glass for mold press molding
DE102009011507A1 (en) 2009-03-06 2010-09-09 Schott Ag Optical glass, useful for producing optical elements such as lenses and prisms, comprises silicon dioxide, diboron trioxide, aluminum trioxide, lanthanum oxide, niobium oxide, calcium oxide, zinc oxide, titanium dioxide and zirconium oxide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008179500A (en) * 2007-01-24 2008-08-07 Konica Minolta Opto Inc Optical glass and optical device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245616A (en) * 1975-10-08 1977-04-11 Tokyo Shibaura Electric Co Process for tempering high refractive indexed glass
JPS53102325A (en) * 1977-02-18 1978-09-06 Obara Optical Glass Abrasionn and chemicallproof glass
JPS558943B2 (en) * 1977-02-18 1980-03-06
JPS53109514A (en) * 1977-03-05 1978-09-25 Nippon Chemical Ind Glass for spectacle lens
JPS5511628B2 (en) * 1977-03-05 1980-03-26
JPH01157430A (en) * 1987-08-14 1989-06-20 Corning Glass Works Chemical resistant glass of high refractive index and low density
JPH0517176A (en) * 1991-07-05 1993-01-26 Ohara Inc Optical glass
DE19838198A1 (en) * 1998-08-24 2000-03-02 Schott Glas High elasticity modulus glass and lithium oxide-containing glass-ceramic, e.g. for hard disk substrates, have specified silicon, boron, alkali and alkaline earth metal, zirconium, titanium, niobium and lanthanum oxide contents
US6184162B1 (en) 1998-08-24 2001-02-06 Schott Glas Glasses and glass-ceramics with high E-moduli
DE19838198C2 (en) * 1998-08-24 2002-06-27 Schott Glas Glasses and glass ceramics with a high modulus of elasticity and their uses
DE19850744C1 (en) * 1998-11-04 2000-10-05 Schott Glas Use of glasses for the production of hard disk substrates
US6217971B1 (en) 1998-11-04 2001-04-17 Schott Glas Mainz Magnetic disk comprising a substrate
JP2005139023A (en) * 2003-11-06 2005-06-02 Nippon Electric Glass Co Ltd Optical glass for mold press molding
JP4496763B2 (en) * 2003-11-06 2010-07-07 日本電気硝子株式会社 Optical glass for mold press molding
DE102009011507A1 (en) 2009-03-06 2010-09-09 Schott Ag Optical glass, useful for producing optical elements such as lenses and prisms, comprises silicon dioxide, diboron trioxide, aluminum trioxide, lanthanum oxide, niobium oxide, calcium oxide, zinc oxide, titanium dioxide and zirconium oxide

Also Published As

Publication number Publication date
GB1539232A (en) 1979-01-31
JPS5342327B2 (en) 1978-11-10

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