FR2334640A1 - Verre pour lentilles de contact - Google Patents

Verre pour lentilles de contact

Info

Publication number
FR2334640A1
FR2334640A1 FR7637139A FR7637139A FR2334640A1 FR 2334640 A1 FR2334640 A1 FR 2334640A1 FR 7637139 A FR7637139 A FR 7637139A FR 7637139 A FR7637139 A FR 7637139A FR 2334640 A1 FR2334640 A1 FR 2334640A1
Authority
FR
France
Prior art keywords
contact lens
lens glass
glass
contact
lens
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
FR7637139A
Other languages
English (en)
Other versions
FR2334640B1 (fr
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 FR2334640A1 publication Critical patent/FR2334640A1/fr
Application granted granted Critical
Publication of FR2334640B1 publication Critical patent/FR2334640B1/fr
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
    • C03C3/078—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
    • C03C3/062—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
    • C03C3/089—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

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)
  • Eyeglasses (AREA)
FR7637139A 1975-12-10 1976-12-09 Verre pour lentilles de contact Granted FR2334640A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50147098A JPS5269915A (en) 1975-12-10 1975-12-10 Glass for lens of eyeglasses

Publications (2)

Publication Number Publication Date
FR2334640A1 true FR2334640A1 (fr) 1977-07-08
FR2334640B1 FR2334640B1 (fr) 1982-07-02

Family

ID=15422434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637139A Granted FR2334640A1 (fr) 1975-12-10 1976-12-09 Verre pour lentilles de contact

Country Status (5)

Country Link
US (1) US4084978A (fr)
JP (1) JPS5269915A (fr)
DE (1) DE2655857B2 (fr)
FR (1) FR2334640A1 (fr)
GB (1) GB1557880A (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396331A1 (fr) * 1977-07-01 1979-01-26 Leitz Ernst Gmbh
FR2427309A2 (fr) * 1978-06-01 1979-12-28 Corning Glass Works Verre d'indice de refraction eleve et de faible densite
FR2428013A1 (fr) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen Verres optiques tres refringents et de faible densite pour les verre s de lunettes a double focale
FR2428012A1 (fr) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen Verres pour lunettes a haut indice de refraction et a faible masse volu
FR2486516A1 (fr) * 1980-07-14 1982-01-15 Jenaer Glaswerk Schott & Gen Verre leger, a usage optique et ophtalmique, presentant une bonne tenue aux acides et a l'hydrolyse
EP0063790A2 (fr) * 1981-04-29 1982-11-03 Schott Glaswerke Verre phototrope ayant un indice de réfraction égal ou supérieur à 1,59, un nombre d'Abbe égal ou supérieur à 40 et une densité égale ou inférieure à 3,2 g/cm3
FR2510546A2 (fr) * 1981-06-02 1983-02-04 Schott Glaswerke Verre leger, a usage optique et ophtalmique, presentant une bonne tenue aux acides et a l'hydrolyse
FR2530235A1 (fr) * 1982-07-16 1984-01-20 Corning Glass Works Verres a haut indice de refraction, faible dispersion et faible densite
EP0262073A1 (fr) * 1986-09-22 1988-03-30 Emerson Electric Co. Joint étanche pour assemblage hermétique de borne terminale
EP0303375A1 (fr) * 1987-08-14 1989-02-15 Corning Glass Works Verres chimiquement résistants, à haut indice de réfraction et de faible densité
FR2619375A1 (fr) * 1987-08-14 1989-02-17 Corning Glass Works Verre a haut indice de refraction, faible dispersion, faible densite et durabilite chimique amelioree
US4833049A (en) * 1986-09-19 1989-05-23 Emerson Electric Co. Terminal assembly having two sealing layers
US7598192B2 (en) 2005-12-23 2009-10-06 Schott Ag Optical glass

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594390B2 (ja) * 1977-01-27 1984-01-30 株式会社保谷硝子 光学ガラス
JPS53109514A (en) * 1977-03-05 1978-09-25 Nippon Chemical Ind Glass for spectacle lens
US4252567A (en) * 1979-09-07 1981-02-24 Nippon Kogaku K.K. Glasses for eyeglass lenses
US4400473A (en) * 1980-07-14 1983-08-23 Schott Glaswerke Acidproof, hydrolysis-resistant optical and ophathalmic glass of low density
DE3139212A1 (de) 1981-10-02 1983-04-21 Schott Glaswerke, 6500 Mainz Optisches und ophthalmisches glas mit brechwerten nd>= 1,58, abbezahlen >= 45 und dichten <= 2,75 g/cm(pfeil hoch)3(pfeil hoch)
DE3206958C2 (de) * 1982-02-26 1986-09-18 Schott Glaswerke, 6500 Mainz Phototropes Glas mit einem Brechungsindex &ge; 1,59, einer Abbezahl &ge; 44 und einer Dichte &lE; 3,0 g/cm&uarr;3&uarr;
JPS5918131A (ja) * 1984-01-27 1984-01-30 Nippon Kogaku Kk <Nikon> 眼鏡レンズ用軽量ガラス
FR2590888A1 (fr) * 1985-11-29 1987-06-05 Corning Glass Works Verres a usage ophtalmique de faible dispersion, de faible densite et a indice de refraction eleve
JP2512366B2 (ja) * 1992-03-17 1996-07-03 株式会社オハラ 高分散光学ガラス
US5320985A (en) * 1992-10-01 1994-06-14 Kabushiki Kaisha Ohara Low refractive optical glass of a flint glass type
DE4408190C1 (de) * 1994-03-11 1995-08-03 Deutsche Spezialglas Ag Hochbrechendes phototropes Glas
DE19631580C1 (de) * 1996-08-05 1997-11-20 Schott Glaswerke Hochbrechende bleifreie Bariumflintgläser
JP3302892B2 (ja) * 1996-10-23 2002-07-15 株式会社オハラ 光学ガラス
JP3113604B2 (ja) * 1997-03-25 2000-12-04 株式会社オハラ 負の異常分散性を有する光学ガラス
CN1099388C (zh) * 1998-02-10 2003-01-22 株式会社小原 具有负向反常色散的光学玻璃
US6413894B1 (en) * 1998-04-30 2002-07-02 Hoya Corporation Optical glass and optical product
FR2789071B1 (fr) 1999-02-03 2002-03-22 Corning Sa VERRE MINERAL (n#1,7), AVANTAGEUSEMENT RENFORCE PAR ECHANGE IONIQUE; LENTILLES OPHTALMIQUES EN LEDIT VERRE
US6825995B2 (en) * 2000-04-27 2004-11-30 Sony Corporation Optical device, optical system, method of production of same, and mold for production of same
JP4034589B2 (ja) * 2001-06-06 2008-01-16 株式会社オハラ 光学ガラス
US7320949B2 (en) * 2002-04-02 2008-01-22 Kabushiki Kaisha Ohara Optical glass
EP1350770A1 (fr) * 2002-04-02 2003-10-08 Kabushiki Kaisha Ohara Verre optique
JP4053810B2 (ja) * 2002-04-18 2008-02-27 株式会社オハラ 異常分散性を有する光学ガラス
DE10225366B3 (de) 2002-06-06 2004-03-11 Schott Glas Blei- und arsenfreies Kurzflint-Sonderglas
US7897531B2 (en) * 2005-01-17 2011-03-01 Kabushiki Kaisha Ohara Glass
US7499219B2 (en) * 2005-10-14 2009-03-03 Volk Optical, Inc. Optimized lens for indirect ophthalmoscopy
JP4746995B2 (ja) * 2006-02-02 2011-08-10 株式会社オハラ 光学ガラス
WO2008032682A1 (fr) * 2006-09-13 2008-03-20 Asahi Glass Co., Ltd. Verre optique
DE102007025601B4 (de) * 2007-05-31 2009-04-30 Schott Ag Optische Gläser der Bariumschwerflintlage, deren Verwendung und Verfahren zur Herstellung eines optischen Elements
WO2013175028A1 (fr) * 2012-05-23 2013-11-28 Azulejo Decorado Y Exportación, S.L. Témoin de contrôle de cuisson dans des processus de traitement thermique de céramique et de verre
CN104926110B (zh) * 2015-06-23 2019-04-16 成都光明光电股份有限公司 光学玻璃和光学元件
US11591253B2 (en) 2018-11-29 2023-02-28 Corning Incorporated High refractive index silicate glass compositions with reduced devitrification kinetics
CN109626813B (zh) * 2019-01-07 2021-08-31 成都光明光电股份有限公司 光学玻璃、光学预制件、光学元件及光学仪器
CN112125511B (zh) * 2020-09-28 2022-04-12 成都光明光电股份有限公司 光学玻璃
CN115924931A (zh) * 2023-01-06 2023-04-07 中国科学院新疆理化技术研究所 一种化合物硼酸锂钠及制备方法和用途

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2159759C3 (de) * 1971-12-02 1974-11-14 Ernst Leitz Gmbh, 6330 Wetzlar Nb tief 2 0 tief 5 -haltige Borosilikatgläser mittlerer bis hoher Brechzahl, relativ großer Dispersion und hoher chemischer Beständigkeit, sowie Verfahren zu ihrer Herstellung
AR202803A1 (es) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen Cristales para gafas

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396331A1 (fr) * 1977-07-01 1979-01-26 Leitz Ernst Gmbh
FR2427309A2 (fr) * 1978-06-01 1979-12-28 Corning Glass Works Verre d'indice de refraction eleve et de faible densite
FR2428013A1 (fr) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen Verres optiques tres refringents et de faible densite pour les verre s de lunettes a double focale
FR2428012A1 (fr) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen Verres pour lunettes a haut indice de refraction et a faible masse volu
FR2486516A1 (fr) * 1980-07-14 1982-01-15 Jenaer Glaswerk Schott & Gen Verre leger, a usage optique et ophtalmique, presentant une bonne tenue aux acides et a l'hydrolyse
EP0063790A3 (en) * 1981-04-29 1983-01-12 Schott Glaswerke Phototropic glass with a refraction index equal to or greater than 1.59, an abbe number equal to or greater than 40 and a density equal to or smaller than 3.2 g/cm3
EP0063790A2 (fr) * 1981-04-29 1982-11-03 Schott Glaswerke Verre phototrope ayant un indice de réfraction égal ou supérieur à 1,59, un nombre d'Abbe égal ou supérieur à 40 et une densité égale ou inférieure à 3,2 g/cm3
FR2510546A2 (fr) * 1981-06-02 1983-02-04 Schott Glaswerke Verre leger, a usage optique et ophtalmique, presentant une bonne tenue aux acides et a l'hydrolyse
FR2530235A1 (fr) * 1982-07-16 1984-01-20 Corning Glass Works Verres a haut indice de refraction, faible dispersion et faible densite
EP0099736A1 (fr) * 1982-07-16 1984-02-01 Corning Glass Works Verres à haut indice de réfraction, faible dispersion et faible densité ainsi que leur production
US4833049A (en) * 1986-09-19 1989-05-23 Emerson Electric Co. Terminal assembly having two sealing layers
EP0262073A1 (fr) * 1986-09-22 1988-03-30 Emerson Electric Co. Joint étanche pour assemblage hermétique de borne terminale
EP0303375A1 (fr) * 1987-08-14 1989-02-15 Corning Glass Works Verres chimiquement résistants, à haut indice de réfraction et de faible densité
FR2619375A1 (fr) * 1987-08-14 1989-02-17 Corning Glass Works Verre a haut indice de refraction, faible dispersion, faible densite et durabilite chimique amelioree
US7598192B2 (en) 2005-12-23 2009-10-06 Schott Ag Optical glass

Also Published As

Publication number Publication date
JPS5342331B2 (fr) 1978-11-10
US4084978A (en) 1978-04-18
GB1557880A (en) 1979-12-12
DE2655857B2 (de) 1978-09-28
DE2655857A1 (de) 1977-06-16
FR2334640B1 (fr) 1982-07-02
JPS5269915A (en) 1977-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse