CA1073678A - High strength ophthalmic lens - Google Patents

High strength ophthalmic lens

Info

Publication number
CA1073678A
CA1073678A CA254,261A CA254261A CA1073678A CA 1073678 A CA1073678 A CA 1073678A CA 254261 A CA254261 A CA 254261A CA 1073678 A CA1073678 A CA 1073678A
Authority
CA
Canada
Prior art keywords
oxide
percent
glass
ion exchange
potassium
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
Application number
CA254,261A
Other languages
English (en)
French (fr)
Inventor
David A. Krohn
Robert E. Graf
Emil W. Deeg
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.)
American Optical Corp
Sola International Inc
Original Assignee
American Optical 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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of CA1073678A publication Critical patent/CA1073678A/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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
    • 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
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • Y10T428/315—Surface modified glass [e.g., tempered, strengthened, etc.]

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)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
CA254,261A 1975-07-02 1976-06-07 High strength ophthalmic lens Expired CA1073678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/592,703 US3997250A (en) 1975-07-02 1975-07-02 High strength ophthalmic lens

Publications (1)

Publication Number Publication Date
CA1073678A true CA1073678A (en) 1980-03-18

Family

ID=24371739

Family Applications (1)

Application Number Title Priority Date Filing Date
CA254,261A Expired CA1073678A (en) 1975-07-02 1976-06-07 High strength ophthalmic lens

Country Status (6)

Country Link
US (1) US3997250A (US20020095090A1-20020718-M00002.png)
JP (1) JPS528017A (US20020095090A1-20020718-M00002.png)
CA (1) CA1073678A (US20020095090A1-20020718-M00002.png)
DE (1) DE2625313C2 (US20020095090A1-20020718-M00002.png)
FR (1) FR2356608A1 (US20020095090A1-20020718-M00002.png)
GB (1) GB1499716A (US20020095090A1-20020718-M00002.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130407A (en) * 1977-06-16 1978-12-19 Duraglass Research & Development Corp. Strengthening of glass
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
JPS6278367A (ja) * 1985-09-27 1987-04-10 新村　正照 プ−ルの床面施工法
EP0392060B1 (de) * 1989-04-14 1994-07-27 Heimann Optoelectronics GmbH Blitzlampe
US5714422A (en) * 1994-09-16 1998-02-03 Favrot; Guy A. Transparent glass
GB2299991B (en) * 1995-04-20 1998-09-09 Ag Technology Corp Glass substrate for magnetic disk
JPWO2012077796A1 (ja) * 2010-12-10 2014-05-22 旭硝子株式会社 化学強化ガラスの製造方法
LU91938B1 (fr) * 2012-01-31 2013-08-01 Ievgen Viunskovskyi Panneau decoratif a feuille lenticulaire en verre trempe thermiquement ou chimiquement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533888A (en) * 1964-12-18 1970-10-13 Corning Glass Works Glass article and method of production
GB1266521A (US20020095090A1-20020718-M00002.png) * 1968-03-15 1972-03-08
US3790260A (en) * 1972-01-03 1974-02-05 Corning Glass Works High strength ophthalmic lens
AR202803A1 (es) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen Cristales para gafas
US3899315A (en) * 1974-04-15 1975-08-12 American Optical Corp Method of making glass clad glass lenses

Also Published As

Publication number Publication date
DE2625313A1 (de) 1977-01-20
US3997250A (en) 1976-12-14
GB1499716A (en) 1978-02-01
DE2625313C2 (de) 1986-11-27
JPS6230401B2 (US20020095090A1-20020718-M00002.png) 1987-07-02
JPS528017A (en) 1977-01-21
FR2356608B1 (US20020095090A1-20020718-M00002.png) 1982-04-30
FR2356608A1 (fr) 1978-01-27

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Legal Events

Date Code Title Description
MKEX Expiry