GB1539232A - Glass compositions for ophthalmic lenses - Google Patents

Glass compositions for ophthalmic lenses

Info

Publication number
GB1539232A
GB1539232A GB4741577A GB4741577A GB1539232A GB 1539232 A GB1539232 A GB 1539232A GB 4741577 A GB4741577 A GB 4741577A GB 4741577 A GB4741577 A GB 4741577A GB 1539232 A GB1539232 A GB 1539232A
Authority
GB
United Kingdom
Prior art keywords
glass compositions
ophthalmic lenses
ophthalmic
lenses
compositions
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
GB4741577A
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.)
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
Publication of GB1539232A publication Critical patent/GB1539232A/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
    • C03C3/062—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

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)
  • Eyeglasses (AREA)
  • Glass Compositions (AREA)
GB4741577A 1975-07-10 1976-06-01 Glass compositions for ophthalmic lenses Expired GB1539232A (en)

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 (1)

Publication Number Publication Date
GB1539232A true GB1539232A (en) 1979-01-31

Family

ID=13840713

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4741577A Expired GB1539232A (en) 1975-07-10 1976-06-01 Glass compositions for ophthalmic lenses

Country Status (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101229955B (zh) * 2007-01-24 2012-09-05 柯尼卡美能达精密光学株式会社 光学玻璃和光学元件
CN118005277A (zh) * 2024-02-26 2024-05-10 成都光明光电股份有限公司 光学玻璃及光学元件
CN118005278A (zh) * 2024-02-26 2024-05-10 成都光明光电股份有限公司 光学玻璃、玻璃预制件、光学元件和光学仪器

Families Citing this family (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
ES2043829T3 (es) * 1987-08-14 1994-01-01 Corning Glass Works Vidrios de baja densidad, alto indice y quimicamente durables.
JP2565813B2 (ja) * 1991-07-05 1996-12-18 株式会社オハラ 光学ガラス
DE19838198C2 (de) * 1998-08-24 2002-06-27 Schott Glas Gläser und Glaskeramiken mit hohem E-Modul sowie deren Verwendungen
DE19850744C1 (de) 1998-11-04 2000-10-05 Schott Glas Verwendung von Gläsern zur Herstellung von Festplattensubstraten
JP4496763B2 (ja) * 2003-11-06 2010-07-07 日本電気硝子株式会社 モールドプレス成形用光学ガラス
DE102009011507A1 (de) 2009-03-06 2010-09-09 Schott Ag Optisches Glas

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101229955B (zh) * 2007-01-24 2012-09-05 柯尼卡美能达精密光学株式会社 光学玻璃和光学元件
CN118005277A (zh) * 2024-02-26 2024-05-10 成都光明光电股份有限公司 光学玻璃及光学元件
CN118005278A (zh) * 2024-02-26 2024-05-10 成都光明光电股份有限公司 光学玻璃、玻璃预制件、光学元件和光学仪器
WO2025180152A1 (zh) * 2024-02-26 2025-09-04 成都光明光电股份有限公司 光学玻璃、玻璃预制件、光学元件和光学仪器

Also Published As

Publication number Publication date
JPS5342327B2 (enExample) 1978-11-10
JPS529012A (en) 1977-01-24

Similar Documents

Publication Publication Date Title
GB1557880A (en) Glass for eye glass lens
AU504329B2 (en) Opthalmic lens manufacture
JPS5240147A (en) Glass for lens in artificial eyes
FR2313328A1 (fr) Compositions de verres pour verres de lunetterie
JPS51112356A (en) Frame for eyeglasses
JPS5226238A (en) Chemically reinforced glass lens for spectacles
JPS5215510A (en) Optical glass
JPS529012A (en) Glass for lens of eyeglass
GB2045230B (en) High index opthalmic glasses
JPS5263920A (en) Optical glass
JPS5269917A (en) Sealing glass for glass laser
JPS53109514A (en) Glass for spectacle lens
JPS5263211A (en) Optical glass
JPS5284211A (en) Optical glass
GB1539231A (en) Glass compositions for ophthalmic lenses
JPS5372027A (en) Hazeeproof glass for spectacle
AU497376B2 (en) Process for melting glass
JPS522448A (en) Lens for spectacles
JPS51128190A (en) Ophthalmic optical device
JPS5245616A (en) Process for tempering high refractive indexed glass
JPS5211210A (en) Glass for eyeglass
JPS51130414A (en) Glass for eyeglasses
JPS526718A (en) Optical glass
JPS5224544A (en) Goggles lens
AU484911B2 (en) Glass compositions for ophthalmic lenses

Legal Events

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

Effective date: 19940601