GB8328871D0 - Optical glass - Google Patents

Optical glass

Info

Publication number
GB8328871D0
GB8328871D0 GB838328871A GB8328871A GB8328871D0 GB 8328871 D0 GB8328871 D0 GB 8328871D0 GB 838328871 A GB838328871 A GB 838328871A GB 8328871 A GB8328871 A GB 8328871A GB 8328871 D0 GB8328871 D0 GB 8328871D0
Authority
GB
United Kingdom
Prior art keywords
optical glass
glass
optical
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
GB838328871A
Other versions
GB2137189B (en
GB2137189A (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 Corp
Original Assignee
Hoya Corp
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 Corp filed Critical Hoya Corp
Publication of GB8328871D0 publication Critical patent/GB8328871D0/en
Publication of GB2137189A publication Critical patent/GB2137189A/en
Application granted granted Critical
Publication of GB2137189B publication Critical patent/GB2137189B/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
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • 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
    • 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
    • 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
    • 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
GB08328871A 1983-02-14 1983-10-28 Optical glass Expired GB2137189B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2163783A JPS59152240A (en) 1983-02-14 1983-02-14 Optical glass

Publications (3)

Publication Number Publication Date
GB8328871D0 true GB8328871D0 (en) 1983-11-30
GB2137189A GB2137189A (en) 1984-10-03
GB2137189B GB2137189B (en) 1987-01-28

Family

ID=12060580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08328871A Expired GB2137189B (en) 1983-02-14 1983-10-28 Optical glass

Country Status (4)

Country Link
JP (1) JPS59152240A (en)
DE (1) DE3340005C2 (en)
FR (1) FR2540857B1 (en)
GB (1) GB2137189B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183645A (en) * 1984-09-28 1986-04-28 Hoya Corp Glass for lens of color contrast spectacles
JPS6330343A (en) * 1986-07-23 1988-02-09 Sumitomo Electric Ind Ltd Silica glass added with lanthanoid element
CA1320505C (en) * 1987-11-04 1993-07-20 Jean Emile Boudot Medium refractive index glass suitable for ophthalmic applications
ATE148680T1 (en) * 1992-03-11 1997-02-15 British Glass Mfg GLASS COMPOSITIONS
DE19958517C1 (en) * 1999-12-04 2001-06-21 Schott Glas Lead-free optical light flint glasses
DE10133521C1 (en) * 2001-07-10 2002-09-05 Schott Glas Lead-free optical glass contains oxides of silicon, aluminum, sodium, titanium, zirconium, niobium and tantalum, and fluorine
CN109867442B (en) * 2019-04-24 2021-11-26 成都光明光电股份有限公司 Optical glass
CN109896740B (en) * 2019-04-24 2022-04-22 成都光明光电股份有限公司 Optical glass and optical element
CN109912195B (en) * 2019-04-24 2021-12-07 成都光明光电股份有限公司 Optical glass, glass preform, optical element and optical instrument
CN109987838B (en) * 2019-04-24 2022-04-15 成都光明光电股份有限公司 Optical glass, glass preform, optical element and optical instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554952A (en) * 1946-09-21 1951-05-29 Holophane Co Inc Titania-containing silicate glass
DE3206226A1 (en) * 1982-02-20 1983-09-01 Schott Glaswerke, 6500 Mainz Optical and ophthalmic glass having a refractive index of >/=1.56, an Abbe number of >/=40 and a density of </=2.70 g/cm<3>
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass

Also Published As

Publication number Publication date
JPS59152240A (en) 1984-08-30
DE3340005C2 (en) 1985-09-19
FR2540857B1 (en) 1986-04-25
FR2540857A1 (en) 1984-08-17
DE3340005A1 (en) 1984-08-16
JPS6335579B2 (en) 1988-07-15
GB2137189B (en) 1987-01-28
GB2137189A (en) 1984-10-03

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Legal Events

Date Code Title Description
817A Application for correction of clerical errors now open to opposition (sect. 117/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20031027