HK62992A - Optical and ophthalmic glasses - Google Patents

Optical and ophthalmic glasses

Info

Publication number
HK62992A
HK62992A HK629/92A HK62992A HK62992A HK 62992 A HK62992 A HK 62992A HK 629/92 A HK629/92 A HK 629/92A HK 62992 A HK62992 A HK 62992A HK 62992 A HK62992 A HK 62992A
Authority
HK
Hong Kong
Prior art keywords
optical
ophthalmic glasses
ophthalmic
glasses
Prior art date
Application number
HK629/92A
Other languages
English (en)
Inventor
Jean Emile Boudot
Michel Prassas
Jean-Pierre Mazeau
Original Assignee
Corning Inc
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 FR8517658A external-priority patent/FR2590888A1/fr
Application filed by Corning Inc filed Critical Corning Inc
Publication of HK62992A publication Critical patent/HK62992A/xx

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
    • C03C3/062—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
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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

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)
HK629/92A 1985-11-29 1992-08-20 Optical and ophthalmic glasses HK62992A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8517658A FR2590888A1 (fr) 1985-11-29 1985-11-29 Verres a usage ophtalmique de faible dispersion, de faible densite et a indice de refraction eleve
US06/876,933 US4742028A (en) 1985-11-29 1986-06-20 Optical and ophthalmic glasses

Publications (1)

Publication Number Publication Date
HK62992A true HK62992A (en) 1992-08-28

Family

ID=26224846

Family Applications (1)

Application Number Title Priority Date Filing Date
HK629/92A HK62992A (en) 1985-11-29 1992-08-20 Optical and ophthalmic glasses

Country Status (8)

Country Link
EP (1) EP0227269B1 (xx)
JP (1) JPH0723231B2 (xx)
BR (1) BR8605356A (xx)
DE (1) DE3683837D1 (xx)
ES (1) ES2029994T3 (xx)
HK (1) HK62992A (xx)
IN (1) IN168019B (xx)
SG (1) SG67492G (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303375B1 (en) * 1987-08-14 1993-10-06 Corning Glass Works Chemically durable, high index, low density glasses
DE4136975A1 (de) * 1991-01-23 1992-07-30 Schott Glaswerke Optisches und ophtalmisches glas mit einem brechwert nd >= 1,68 und einer abbezahl (ny)(pfeil abwaerts)d(pfeil abwaerts) >= 41,6
CA2060709C (en) * 1991-02-08 1996-06-04 Kiyotaka Komori Glass fiber forming composition, glass fibers obtained from the composition and substrate for circuit board including the glass fibers as reinforcing material
EP0544494B1 (en) * 1991-11-25 1997-01-29 Canon Kabushiki Kaisha Optical glass and optical lens making use of the same
DE4210011C1 (xx) * 1992-03-27 1993-07-15 Schott Glaswerke, 6500 Mainz, De
JP2795334B2 (ja) * 1992-11-05 1998-09-10 株式会社オハラ 光学ガラス
JP4743681B2 (ja) * 2004-11-11 2011-08-10 Ｈｏｙａ株式会社 光学ガラス、プレス成形用ガラス素材およびその製造方法ならびに光学部品およびその製造方法
JP4668797B2 (ja) * 2005-01-17 2011-04-13 株式会社オハラ ガラス
CN101107202B (zh) 2005-01-17 2012-02-15 株式会社小原 玻璃
JP4726666B2 (ja) * 2006-03-22 2011-07-20 Ｈｏｙａ株式会社 光学ガラス、光学素子およびその製造方法
JP2009242207A (ja) * 2008-03-31 2009-10-22 Ohara Inc 光学ガラス、光学素子及び光学機器
DE102009011507A1 (de) 2009-03-06 2010-09-09 Schott Ag Optisches Glas
JP2012206893A (ja) * 2011-03-29 2012-10-25 Ohara Inc 光学ガラス、プリフォーム及び光学素子
JP2012206892A (ja) * 2011-03-29 2012-10-25 Ohara Inc 光学ガラス、プリフォーム及び光学素子
WO2012133420A1 (ja) * 2011-03-29 2012-10-04 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
WO2012133421A1 (ja) * 2011-03-29 2012-10-04 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP2012206891A (ja) * 2011-03-29 2012-10-25 Ohara Inc 光学ガラス、プリフォーム及び光学素子
JP2012206894A (ja) * 2011-03-29 2012-10-25 Ohara Inc 光学ガラス、プリフォーム及び光学素子
JP5783977B2 (ja) * 2012-08-30 2015-09-24 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP6553856B2 (ja) * 2013-12-27 2019-07-31 株式会社オハラ ガラス
JP6618256B2 (ja) * 2014-12-24 2019-12-11 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
EP3677559A1 (en) * 2016-04-04 2020-07-08 Ohara Inc. Optical glass, preform material and optical element
US11667561B2 (en) 2018-11-26 2023-06-06 Corning Incorporated Glass material with a high index of refraction
US11591253B2 (en) 2018-11-29 2023-02-28 Corning Incorporated High refractive index silicate glass compositions with reduced devitrification kinetics
CN109502964B (zh) * 2018-12-07 2023-03-28 成都光明光电股份有限公司 重镧火石玻璃及其预制件、光学元件和光学仪器
CN109650717B (zh) * 2019-02-28 2021-10-26 成都光明光电股份有限公司 光学玻璃
JPWO2021171950A1 (xx) * 2020-02-28 2021-09-02

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1496549B2 (de) * 1965-09-04 1970-11-05 Jenaer Glaswerk Schott & Gen, 6500 Mainz Hochbrechende, kristallisation stabile, farbarme, verschmelzbare optische Gläser mit einem mittleren Ausdehnungskoeffizienten alpha.10 hoch 7 (25 bis 400 Grad C) von 84 bis 95
DE2824891B2 (de) * 1978-06-07 1980-07-17 Jenaer Glaswerk Schott & Gen., 6500 Mainz Hochbrechende Brillenrohgläser des Systems SiO2 -B2 O3 - TiO2 -La2 O3 -Erdalkalioxide mit geringer
JPS5678447A (en) * 1979-11-29 1981-06-27 Minolta Camera Co Ltd Optical glass
DE3201344C2 (de) * 1982-01-18 1984-02-16 Schott Glaswerke, 6500 Mainz Hochbrechende optische Gläser im System SiO↓2↓-B↓2↓O↓3↓-Alkalioxid-Erdalkalioxid-La↓2↓O↓3↓-ZrO↓2↓-TiO↓2↓-Nb↓2↓O↓5↓ mit Brechwerten von 1,79 - 1,82, Abbezahlen ≥ 32 und Dichten ≦ 4,0
FR2530235A1 (fr) * 1982-07-16 1984-01-20 Corning Glass Works Verres a haut indice de refraction, faible dispersion et faible densite
JPS6021828A (ja) * 1983-07-14 1985-02-04 Hoya Corp 眼鏡レンズ用ガラス
JPS60122745A (ja) * 1983-12-07 1985-07-01 Hoya Corp 光学ガラス
JPS60122746A (ja) * 1983-12-07 1985-07-01 Hoya Corp 光学ガラス

Also Published As

Publication number Publication date
JPS62132741A (ja) 1987-06-16
DE3683837D1 (de) 1992-03-19
JPH0723231B2 (ja) 1995-03-15
BR8605356A (pt) 1987-08-04
SG67492G (en) 1992-09-04
EP0227269B1 (en) 1992-02-05
EP0227269A1 (en) 1987-07-01
IN168019B (xx) 1991-01-19
ES2029994T3 (es) 1992-10-16

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)