BR7903540A - Vidros oticos de alta refracao e baixa densidade para lents de oculos bifocais - Google Patents

Vidros oticos de alta refracao e baixa densidade para lents de oculos bifocais

Info

Publication number
BR7903540A
BR7903540A BR7903540A BR7903540A BR7903540A BR 7903540 A BR7903540 A BR 7903540A BR 7903540 A BR7903540 A BR 7903540A BR 7903540 A BR7903540 A BR 7903540A BR 7903540 A BR7903540 A BR 7903540A
Authority
BR
Brazil
Prior art keywords
low density
density optical
optical glasses
high refraction
bifocal
Prior art date
Application number
BR7903540A
Other languages
English (en)
Inventor
G Gliemeroth
M Faulstich
V Geiller
Original Assignee
Jenaer Glaswerk Schott & Gen
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 Jenaer Glaswerk Schott & Gen filed Critical Jenaer Glaswerk Schott & Gen
Publication of BR7903540A publication Critical patent/BR7903540A/pt

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
    • 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
    • C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing 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
    • 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
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • 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
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
    • C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00722—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with magnetic components, e.g. magnets, magnetic strips, metallic inserts
    • 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
    • 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
    • Y10S501/901—Optical glass, e.g. silent on refractive index and/or ABBE number having R.I. at least 1.8
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y10T70/7819—With slidable bit portion
    • 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
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7904—Magnetic features

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
BR7903540A 1978-06-07 1979-06-05 Vidros oticos de alta refracao e baixa densidade para lents de oculos bifocais BR7903540A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2824982A DE2824982C3 (de) 1978-06-07 1978-06-07 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

Publications (1)

Publication Number Publication Date
BR7903540A true BR7903540A (pt) 1980-01-22

Family

ID=6041263

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903540A BR7903540A (pt) 1978-06-07 1979-06-05 Vidros oticos de alta refracao e baixa densidade para lents de oculos bifocais

Country Status (9)

Country Link
US (1) US4213787A (pt)
JP (1) JPS54161620A (pt)
BR (1) BR7903540A (pt)
DD (1) DD144164A5 (pt)
DE (1) DE2824982C3 (pt)
ES (1) ES481327A1 (pt)
FR (1) FR2428013A1 (pt)
GB (1) GB2022572B (pt)
IT (1) IT1165675B (pt)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508433A1 (fr) * 1981-06-24 1982-12-31 Corning Glass Works Verres ophtalmiques a indice de refraction eleve
DE3130039C2 (de) * 1981-07-30 1984-07-12 Schott Glaswerke, 6500 Mainz CdO-ThO↓2↓-freies, hochbrechendes optisches Glas mit der optischen Lage nd = 1,85 - 2,05 und vd 25-43
DE3216451C2 (de) * 1982-05-03 1984-04-19 Schott Glaswerke, 6500 Mainz Optisches Leichtgewichtglas mit einem Brechwert ≥ 1.70, einer Abbezahl ≥ 22 und einer Dichte ≦ 3,5 g/cm↑3↑
JPS6021828A (ja) * 1983-07-14 1985-02-04 Hoya Corp 眼鏡レンズ用ガラス
US4507393A (en) * 1983-08-11 1985-03-26 Schott Glass Technologies, Inc. Highly prefractive, low dispersion optical glass suitable for multifocal corrective lenses
JPS61232243A (ja) * 1985-04-04 1986-10-16 Ohara Inc 眼鏡用および光学用ガラス
FR2690436B1 (fr) * 1992-04-22 1995-02-03 Corning France Verres à très haut indice de réfraction et faible densité.
DE4336122C1 (de) * 1993-10-22 1995-04-27 Deutsche Spezialglas Ag Hochbrechendes ophtalmisches Glas und Verwendung des Glases
US6150027A (en) * 1995-06-16 2000-11-21 Hitachi, Ltd Glass composition, structure, and apparatus using the same
US6413894B1 (en) * 1998-04-30 2002-07-02 Hoya Corporation Optical glass and optical product
CA2408225A1 (en) * 2001-03-13 2002-09-19 Corning Incorporated Ophthalmic segment glass with high nd
EP1350770A1 (en) * 2002-04-02 2003-10-08 Kabushiki Kaisha Ohara Optical glass
US7320949B2 (en) * 2002-04-02 2008-01-22 Kabushiki Kaisha Ohara Optical glass
US7528083B2 (en) 2003-06-10 2009-05-05 Kabushiki Kaish Ohara Optical glass
US7897531B2 (en) 2005-01-17 2011-03-01 Kabushiki Kaisha Ohara Glass
JP4668797B2 (ja) * 2005-01-17 2011-04-13 株式会社オハラ ガラス
CN1915875B (zh) * 2006-08-31 2010-08-18 成都光明光电股份有限公司 高折射率高色散环保重火石光学玻璃及其生产方法和设备
JP2011037660A (ja) * 2009-08-07 2011-02-24 Ohara Inc 光学ガラス、レンズプリフォーム及び光学素子
JP6046376B2 (ja) * 2012-05-28 2016-12-14 株式会社オハラ 光学ガラス
JP5963144B2 (ja) * 2012-12-27 2016-08-03 Hoya株式会社 光学ガラス、プレス成形用ガラス素材、光学素子
JP6860268B2 (ja) * 2013-04-30 2021-04-14 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP6611299B2 (ja) * 2013-04-30 2019-11-27 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP6727692B2 (ja) * 2014-10-29 2020-07-22 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
EP3381872A4 (en) * 2015-11-24 2019-08-21 AGC Inc. OPTICAL GLASS
JP7148880B2 (ja) * 2017-02-24 2022-10-06 日本電気硝子株式会社 光学ガラス
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
CN113292242B (zh) * 2021-06-24 2022-04-12 成都光明光电股份有限公司 特殊色散光学玻璃
CN113264675B (zh) * 2021-06-24 2022-04-15 成都光明光电股份有限公司 光学玻璃、光学元件和光学仪器
JP2023032973A (ja) * 2021-08-27 2023-03-09 株式会社オハラ 化学強化光学ガラス

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD43144A (pt) 1961-06-29
US3460954A (en) * 1964-05-21 1969-08-12 Bendix Corp Bao-nb2o5-sio2 glass compositions for use in fiber-optics
FR1429951A (fr) * 1964-05-21 1966-02-25 Glass Designers Compositions de verres
AR202803A1 (es) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen Cristales para gafas
DE2660012C2 (de) * 1975-06-02 1983-12-22 Hoya Glass Works, Ltd, Tokyo Gläser für Augenlinsen mit einem Brechungsindex von mindestens 1,70, einem Abbe-Wert von 40 und einem spezifischen Gewicht von nicht mehr als 3,0g/cm↑3↑
JPS5225812A (en) * 1975-08-20 1977-02-26 Sumita Optical Glass Optical flint glass of low density
JPS5846459B2 (ja) * 1975-10-09 1983-10-17 （株） 住田光学硝子製造所 低密度フリント系光学ガラス
JPS5269915A (en) * 1975-12-10 1977-06-10 Hoya Glass Works Ltd Glass for lens of eyeglasses
JPS53142423A (en) * 1977-05-19 1978-12-12 Obara Optical Glass Optical glass

Also Published As

Publication number Publication date
DE2824982C3 (de) 1981-04-30
GB2022572A (en) 1979-12-19
DE2824982A1 (de) 1979-12-13
FR2428013B1 (pt) 1984-08-31
JPS6236976B2 (pt) 1987-08-10
DD144164A5 (de) 1980-10-01
JPS54161620A (en) 1979-12-21
US4213787A (en) 1980-07-22
IT1165675B (it) 1987-04-22
FR2428013A1 (fr) 1980-01-04
IT7968027A0 (it) 1979-05-15
GB2022572B (en) 1982-11-10
ES481327A1 (es) 1979-11-16
DE2824982B2 (de) 1980-06-26

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19940605