ES2029994T3 - Cristales opticos y oftalmicos. - Google Patents

Cristales opticos y oftalmicos.

Info

Publication number
ES2029994T3
ES2029994T3 ES198686308573T ES86308573T ES2029994T3 ES 2029994 T3 ES2029994 T3 ES 2029994T3 ES 198686308573 T ES198686308573 T ES 198686308573T ES 86308573 T ES86308573 T ES 86308573T ES 2029994 T3 ES2029994 T3 ES 2029994T3
Authority
ES
Spain
Prior art keywords
optical
ophthalmic
crystals
ophthalmic crystals
abbe
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 - Lifetime
Application number
ES198686308573T
Other languages
English (en)
Inventor
Jean Emile Boudot
Michel Corning Europe Inc. Prassas
Jean-Pierre Mazeau
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 FR8517658A external-priority patent/FR2590888A1/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of ES2029994T3 publication Critical patent/ES2029994T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03C3/062—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)

Abstract

ESTA INVENCION TRATA DE UN VIDRIO PARA APLICACIONES OPTICAS Y OFTALMOLOGICAS QUE TIENE UN INDICE DE REFRACCION DE 1,78 A 1,82, UN NUMERO DE ABBE MAYOR O IGUAL QUE 31 Y UNA DENSIDAD INFERIOR A UNOS 3,80 GR/CM3, QUE CONSTA ESENCIALMENTE, EN TANTO POR CIENTO EN PESO RESPECTO A OXIDO, DE LOS COMPONENTES INDICADOS EN LA TABLA I.
ES198686308573T 1985-11-29 1986-11-04 Cristales opticos y oftalmicos. Expired - Lifetime ES2029994T3 (es)

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
ES2029994T3 true ES2029994T3 (es) 1992-10-16

Family

ID=26224846

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198686308573T Expired - Lifetime ES2029994T3 (es) 1985-11-29 1986-11-04 Cristales opticos y oftalmicos.

Country Status (8)

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

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 (es) * 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
WO2006075785A2 (en) * 2005-01-17 2006-07-20 Kabushiki Kaisha Ohara Glass
JP4668797B2 (ja) * 2005-01-17 2011-04-13 株式会社オハラ ガラス
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
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
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
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
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
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
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
WO2021171950A1 (ja) * 2020-02-28 2021-09-02 Hoya株式会社 光学ガラスおよび光学素子

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
HK62992A (en) 1992-08-28
EP0227269A1 (en) 1987-07-01
EP0227269B1 (en) 1992-02-05
SG67492G (en) 1992-09-04
JPH0723231B2 (ja) 1995-03-15
BR8605356A (pt) 1987-08-04
DE3683837D1 (de) 1992-03-19
JPS62132741A (ja) 1987-06-16
IN168019B (es) 1991-01-19

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