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FR2711641B1 - Verre ophtalmologique fortement réfringent, et verre de lunettes multifocaux dans lesquels ce verre est utilisé pour le segment pour vision de près. - Google Patents

Verre ophtalmologique fortement réfringent, et verre de lunettes multifocaux dans lesquels ce verre est utilisé pour le segment pour vision de près.

Info

Publication number
FR2711641B1
FR2711641B1 FR9412055A FR9412055A FR2711641B1 FR 2711641 B1 FR2711641 B1 FR 2711641B1 FR 9412055 A FR9412055 A FR 9412055A FR 9412055 A FR9412055 A FR 9412055A FR 2711641 B1 FR2711641 B1 FR 2711641B1
Authority
FR
France
Prior art keywords
lens
near vision
highly refractive
multifocal spectacle
vision segment
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 - Fee Related
Application number
FR9412055A
Other languages
English (en)
Other versions
FR2711641A1 (fr
Inventor
Reinhard Kassner
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.)
Deutsche Spezialglas AG
Original Assignee
Deutsche Spezialglas AG
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 Deutsche Spezialglas AG filed Critical Deutsche Spezialglas AG
Publication of FR2711641A1 publication Critical patent/FR2711641A1/fr
Application granted granted Critical
Publication of FR2711641B1 publication Critical patent/FR2711641B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07Glass compositions containing silica with less than 40% silica by weight containing lead
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00Compositions: ceramic
    • Y10S501/90Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/901Optical glass, e.g. silent on refractive index and/or ABBE number having R.I. at least 1.8
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00Compositions: ceramic
    • Y10S501/90Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903Optical 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)
FR9412055A 1993-10-22 1994-10-10 Verre ophtalmologique fortement réfringent, et verre de lunettes multifocaux dans lesquels ce verre est utilisé pour le segment pour vision de près. Expired - Fee Related FR2711641B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4336122A DE4336122C1 (de) 1993-10-22 1993-10-22 Hochbrechendes ophtalmisches Glas und Verwendung des Glases

Publications (2)

Publication Number Publication Date
FR2711641A1 FR2711641A1 (fr) 1995-05-05
FR2711641B1 true FR2711641B1 (fr) 1997-08-01

Family

ID=6500806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9412055A Expired - Fee Related FR2711641B1 (fr) 1993-10-22 1994-10-10 Verre ophtalmologique fortement réfringent, et verre de lunettes multifocaux dans lesquels ce verre est utilisé pour le segment pour vision de près.

Country Status (6)

Country Link
US (2) US5548353A (fr)
JP (1) JPH07277765A (fr)
BR (1) BR9404208A (fr)
DE (1) DE4336122C1 (fr)
FR (1) FR2711641B1 (fr)
GB (1) GB2283019B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252041A (zh) 1997-04-30 2000-05-03 康宁股份有限公司 高折射率玻璃以及含有该种玻璃的多焦点校正透镜
FR2883629B1 (fr) * 2005-03-22 2007-07-20 Valeo Vision Sa Lentille pour module optique de dispositif d'eclairage pour vehicule automobile
DE102009027109B4 (de) * 2009-06-23 2012-02-16 Schott Ag Bleihaltiges Weltraumglas, seine Herstellung und Verwendung
TWI418526B (zh) * 2009-07-08 2013-12-11 日本電氣硝子股份有限公司 玻璃板
CN102442775B (zh) * 2010-10-09 2014-03-26 湖北新华光信息材料有限公司 高折射双焦子片光学玻璃及其制作方法
JP6694229B2 (ja) * 2014-10-08 2020-05-13 株式会社オハラ ガラス
EP3887329B1 (fr) 2018-11-26 2024-04-03 Owens Corning Intellectual Capital, LLC Composition de fibre de verre à haute performance comprenant un module d'élasticité amélioré
US11524918B2 (en) 2018-11-26 2022-12-13 Owens Corning Intellectual Capital, Llc High performance fiberglass composition with improved specific modulus

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699399A (en) * 1952-02-18 1955-01-11 Corning Glass Works Green ophthalmic glass
US2762713A (en) * 1953-12-03 1956-09-11 Bausch & Lomb Flint glasses for multifocal lenses
US3469161A (en) * 1964-11-13 1969-09-23 Westinghouse Electric Corp Capacitors employing lead silico-borate glass compositions
US3902910A (en) * 1974-02-19 1975-09-02 Corning Glass Works Barium flint ophthalmic glasses
DE2824982C3 (de) * 1978-06-07 1981-04-30 Jenaer Glaswerk Schott & Gen., 6500 Mainz Hochbrechende optische Gläser des Systems SiO↓2↓-B↓2↓O↓3↓-TiO↓2↓- ZrO↓2↓-BaO-Nb↓2↓O↓5↓-Li↓2↓O mit geringer Dichte von s = 3,4 - 3,7 für Fernteil- und Nahteil-Brillengläser mit Brechwerten n↓D↓ = 1,79 - 1,81 und Dispersionen v↓D↓ = 31 - 29
US4211569A (en) * 1979-03-09 1980-07-08 Corning Glass Works High index ophthalmic glasses
FR2508433A1 (fr) * 1981-06-24 1982-12-31 Corning Glass Works Verres ophtalmiques a indice de refraction eleve
DE3206958C2 (de) * 1982-02-26 1986-09-18 Schott Glaswerke, 6500 Mainz Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 44 und einer Dichte ≦ 3,0 g/cm↑3↑
US4444893A (en) * 1982-06-11 1984-04-24 Schott Glass Technologies, Inc. Highly refractive, low dispersion, low density optical glass suitable for corrective lenses
JPS6096542A (ja) * 1983-10-27 1985-05-30 Hoya Corp 多焦点眼鏡レンズ用ガラス
DE3501100A1 (de) * 1985-01-15 1986-07-17 Schott Glaswerke, 6500 Mainz Optisches cdo- und tho(pfeil abwaerts)2(pfeil abwaerts)-freies glas mit brechwerten 1,73 - 1,78 und abbezahlen 30 - 34 und mit sehr guter entglasungsstabilitaet
JP2668049B2 (ja) * 1988-02-26 1997-10-27 株式会社オハラ 光学ガラス
US5217927A (en) * 1988-07-25 1993-06-08 Deutsche Spezialglas Aktiengesellschaft Highly refractive, low-density, phototropic glass
DE3825210A1 (de) * 1988-07-25 1990-02-08 Deutsche Spezialglas Ag Hochbrechendes phototropes glas niedriger dichte
FR2653239B1 (fr) * 1989-10-12 1992-10-30 Corning France Verres photochromiques a indice de refraction eleve et a eclaircissement rapide.
US5034354A (en) * 1990-05-16 1991-07-23 Corning Incorporated Alkali-free multichannel plate and glass
DE4101365C1 (fr) * 1991-01-18 1992-04-16 Schott Glaswerke, 6500 Mainz, De
US5162826A (en) * 1991-06-17 1992-11-10 Corning Incorporated High index ophthalmic glasses
US5190896A (en) * 1991-07-22 1993-03-02 Schott Glass Technologies, Inc. Contrast enhancement in glass

Also Published As

Publication number Publication date
US5548353A (en) 1996-08-20
US5565389A (en) 1996-10-15
GB2283019B (en) 1996-06-19
FR2711641A1 (fr) 1995-05-05
GB9415919D0 (en) 1994-09-28
GB2283019A (en) 1995-04-26
BR9404208A (pt) 1995-06-27
JPH07277765A (ja) 1995-10-24
DE4336122C1 (de) 1995-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse