ES2172280T3 - Vidrios oftalmicos y opticos. - Google Patents

Vidrios oftalmicos y opticos.

Info

Publication number
ES2172280T3
ES2172280T3 ES99119329T ES99119329T ES2172280T3 ES 2172280 T3 ES2172280 T3 ES 2172280T3 ES 99119329 T ES99119329 T ES 99119329T ES 99119329 T ES99119329 T ES 99119329T ES 2172280 T3 ES2172280 T3 ES 2172280T3
Authority
ES
Spain
Prior art keywords
optical
less
glasses
li2o
ta2o5
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
ES99119329T
Other languages
English (en)
Inventor
Michiko Morishita
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.)
Ohara Inc
Original Assignee
Ohara Inc
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 Ohara Inc filed Critical Ohara Inc
Application granted granted Critical
Publication of ES2172280T3 publication Critical patent/ES2172280T3/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
    • 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

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

Vidrios oftálmicos y ópticos que tienen la composición siguiente en porcentaje ponderal: SiO2 4,5 - 9,5% B2O3 10 - 19,5% Al2O3 0 - 3% GeO2 0 - 5% La2O3 18 - menos de 23% Gd2O3 0,3 - menos de 2% TiO2 5,5 - 13,5% ZrO2 0 - 7,5% Nb2O5 15 - 21% Ta2O5 0 - 1,5% WO3 0,3 - 5% con la condición de que la relación ponderal (Ta2O5 + WO3)/B2O3 sea 0,5 o inferior, ZnO 2,1 - 10% MgO 0 - 5% CaO 7 - 12,5% SrO 0 - 5% BaO 0 - 4% Li2O + Na2O + K2O 0,1% siendo Li2O 0 - 1% Na2O 0 - 1% K2O 0 - 1% As2O3 0 - 0,5% Sb2O3 0 - 0,5%, y que tienen una densidad de 4,1 o inferior.
ES99119329T 1998-10-02 1999-09-29 Vidrios oftalmicos y opticos. Expired - Lifetime ES2172280T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29606498 1998-10-02

Publications (1)

Publication Number Publication Date
ES2172280T3 true ES2172280T3 (es) 2002-09-16

Family

ID=17828648

Family Applications (1)

Application Number Title Priority Date Filing Date
ES99119329T Expired - Lifetime ES2172280T3 (es) 1998-10-02 1999-09-29 Vidrios oftalmicos y opticos.

Country Status (4)

Country Link
US (1) US6187702B1 (es)
EP (1) EP0992461B1 (es)
DE (1) DE69901147T2 (es)
ES (1) ES2172280T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7625509B2 (en) * 2001-08-02 2009-12-01 3M Innovative Properties Company Method of making ceramic articles
ATE378293T1 (de) * 2001-08-02 2007-11-15 3M Innovative Properties Co Verfahren zur herstellung von gegenständen aus glas sowie so hergestellte glaskeramikgegenstände
JP4124749B2 (ja) 2004-03-02 2008-07-23 Ｈｏｙａ株式会社 光学ガラス、精密プレス成形用プリフォームおよびその製造方法、光学素子およびその製造方法
EP1604959A1 (en) * 2004-06-02 2005-12-14 Kabushiki Kaisha Ohara An optical glass
US7095941B2 (en) * 2004-10-27 2006-08-22 Schott Corporation Fused optical fiber optical device system
JP4361004B2 (ja) 2004-11-15 2009-11-11 Ｈｏｙａ株式会社 光学ガラス、精密プレス成形用プリフォームおよびその製造方法ならびに光学素子およびその製造方法
JP5561888B2 (ja) * 2005-10-11 2014-07-30 株式会社オハラ 光学ガラス
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
CN101896437A (zh) * 2007-12-11 2010-11-24 奥林巴斯株式会社 光学玻璃和使用该光学玻璃的光学装置
JP2009203155A (ja) * 2008-01-31 2009-09-10 Ohara Inc 光学ガラス
JP4948569B2 (ja) 2008-06-27 2012-06-06 Ｈｏｙａ株式会社 光学ガラス
JP2010105902A (ja) * 2008-09-30 2010-05-13 Ohara Inc 光学ガラス及び分光透過率の劣化抑制方法
CN114956548A (zh) * 2018-09-27 2022-08-30 成都光明光电股份有限公司 光学玻璃及由其制成的玻璃预制件、光学元件和光学仪器
WO2022055688A2 (en) 2020-09-10 2022-03-17 Corning Incorporated Silicoborate and borosilicate glasses having high refractive index and low density
US11802073B2 (en) 2020-09-10 2023-10-31 Corning Incorporated Silicoborate and borosilicate glasses with high refractive index and low density
US11976004B2 (en) 2020-09-10 2024-05-07 Corning Incorporated Silicoborate and borosilicate glasses having high refractive index and high transmittance to blue light

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2237259A1 (de) * 1971-07-30 1973-02-01 Hoya Glass Works Ltd Optische glaeser
JPS52155614A (en) 1976-06-22 1977-12-24 Obara Optical Glass Optical glass of high difraction index and low dispersion
US4166746A (en) * 1976-11-16 1979-09-04 Nippon Kogaku K.K. Optical glass
US4120732A (en) * 1977-12-12 1978-10-17 Kabushiki Kaisha Ohara Kogaku Garasu Seizosho Optical glass
JPS553329A (en) * 1978-06-21 1980-01-11 Ohara Inc Optical glass
DE3201346C2 (de) 1982-01-18 1986-03-13 Schott Glaswerke, 6500 Mainz Hochbrechende optische Gläser mit Brechungsindices von 1,84 - 1,87 und Abbezahlen von 30 - 33 im System SiO↓2↓-B↓2↓O↓3↓-Alkalioxid-Erdalkalioxid/ZnO-PbO-La↓2↓O↓3↓-ZrO↓2↓-TiO↓2↓-Nb↓2↓O↓5↓
JPS6021828A (ja) * 1983-07-14 1985-02-04 Hoya Corp 眼鏡レンズ用ガラス
JPS60221338A (ja) 1984-04-12 1985-11-06 Ohara Inc 光学ガラス
FR2690436B1 (fr) 1992-04-22 1995-02-03 Corning France Verres à très haut indice de réfraction et faible densité.
JP3269707B2 (ja) * 1992-08-03 2002-04-02 カール−ツァイス−スティフツング 眼鏡及び光学軽量ガラス
DE4242859C2 (de) 1992-08-03 1994-08-25 Schott Glaswerke Hochbrechendes ophtalmisches und optisches Leichtgewichtsglas
CN1101345C (zh) 1997-01-29 2003-02-12 康宁股份有限公司 高折射率玻璃

Also Published As

Publication number Publication date
EP0992461B1 (en) 2002-04-03
EP0992461A1 (en) 2000-04-12
DE69901147D1 (de) 2002-05-08
DE69901147T2 (de) 2002-10-31
US6187702B1 (en) 2001-02-13

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