ES2076811T3 - Cristales con indice de refraccion muy alto y baja densidad. - Google Patents

Cristales con indice de refraccion muy alto y baja densidad.

Info

Publication number
ES2076811T3
ES2076811T3 ES93105390T ES93105390T ES2076811T3 ES 2076811 T3 ES2076811 T3 ES 2076811T3 ES 93105390 T ES93105390 T ES 93105390T ES 93105390 T ES93105390 T ES 93105390T ES 2076811 T3 ES2076811 T3 ES 2076811T3
Authority
ES
Spain
Prior art keywords
crystals
low density
refraction index
glasses
percentage
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
ES93105390T
Other languages
English (en)
Inventor
Luc Grateau
Pascale Laborde
Michel Prassas
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.)
Corning Inc
Original Assignee
Corning 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 Corning Inc filed Critical Corning Inc
Application granted granted Critical
Publication of ES2076811T3 publication Critical patent/ES2076811T3/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

ESTA INVENCION SE REFIERE A VIDRIOS QUE PRESENTAN UNOS INDICES DE REFRACCION SUPERIORES A 1.880, UNOS NUMEROS DE ABBE DE 29 POR LO MENOS, DENSIDADES INFERIORES A 4,1, UNA BUENA ESTABILIDAD Y DURABILIDAD QUIMICA CONTRA LA DESVITRIFICACION Y UNA TRANSMISION INTEGRADA ENTRE 380 Y 800 NM A UN GROSOR DE 10 MM SUPERIOR AL 79%, CUYOS VIDRIOS CONSISTEN ESENCIALMENTE, EXPRESADO EN PORCENTAJE EN PESO EN BASE AL OXIDO, EN
ES93105390T 1992-04-22 1993-04-01 Cristales con indice de refraccion muy alto y baja densidad. Expired - Lifetime ES2076811T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204918A FR2690436B1 (fr) 1992-04-22 1992-04-22 Verres à très haut indice de réfraction et faible densité.

Publications (1)

Publication Number Publication Date
ES2076811T3 true ES2076811T3 (es) 1995-11-01

Family

ID=9429112

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93105390T Expired - Lifetime ES2076811T3 (es) 1992-04-22 1993-04-01 Cristales con indice de refraccion muy alto y baja densidad.

Country Status (8)

Country Link
US (1) US5288669A (es)
EP (1) EP0570687B1 (es)
JP (1) JP2521227B2 (es)
BR (1) BR9301607A (es)
DE (2) DE570687T1 (es)
ES (1) ES2076811T3 (es)
FR (1) FR2690436B1 (es)
HK (1) HK1001046A1 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242859C2 (de) * 1992-08-03 1994-08-25 Schott Glaswerke Hochbrechendes ophtalmisches und optisches Leichtgewichtsglas
US5747397A (en) * 1996-11-04 1998-05-05 Bay Glass Research Optical glass
US6121176A (en) * 1997-01-29 2000-09-19 Corning S.A. Glasses with very high refractive index
BR9808614A (pt) * 1997-01-29 2000-05-30 Corning Inc Lentes com ìndice refrativo muito alto.
FR2758814B1 (fr) * 1997-01-29 1999-04-23 Corning Sa Verres a tres haut indice de refraction
US6187702B1 (en) 1998-10-02 2001-02-13 Kabushiki Kaisha Ohara Ophthalmic and optical glasses
JP3399883B2 (ja) * 1999-08-30 2003-04-21 株式会社オハラ 光フィルター用ガラス及び光フィルター
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
JP4322217B2 (ja) 2005-02-21 2009-08-26 Ｈｏｙａ株式会社 光学ガラス、プレス成形用ガラスゴブ、光学部品、ガラス成形体の製造方法および光学部品の製造方法
JP4466955B2 (ja) * 2005-07-15 2010-05-26 Ｈｏｙａ株式会社 光学ガラス、プレス成形用ガラスゴブおよび光学素子
JP2008280235A (ja) * 2007-04-09 2008-11-20 Olympus Corp 光学ガラス及びこれを使用した光学装置
EP2206690B1 (en) 2007-10-05 2016-03-30 Olympus Corporation Optical glass, and optical device having the optical glass
US8338321B2 (en) 2007-10-05 2012-12-25 Olympus Corporation Optical glass and optical apparatus using the same
JP5138401B2 (ja) * 2008-01-30 2013-02-06 Ｈｏｙａ株式会社 光学ガラス、プレス成形用ガラスゴブおよび光学素子とその製造方法ならびに光学素子ブランクの製造方法
CN103771706A (zh) 2012-10-19 2014-05-07 成都光明光电股份有限公司 光学玻璃
TWI742161B (zh) * 2016-09-27 2021-10-11 日商小原股份有限公司 光學玻璃、預成形體以及光學元件
CN110128007B (zh) 2017-07-03 2022-07-15 成都光明光电股份有限公司 重镧火石光学玻璃
US11976004B2 (en) 2020-09-10 2024-05-07 Corning Incorporated Silicoborate and borosilicate glasses having high refractive index and high transmittance to blue light
US11802073B2 (en) 2020-09-10 2023-10-31 Corning Incorporated Silicoborate and borosilicate glasses with high refractive index and low density
US11999651B2 (en) 2020-09-10 2024-06-04 Corning Incorporated Silicoborate and borosilicate glasses having high refractive index and low density
US12515982B2 (en) 2021-03-19 2026-01-06 Corning Incorporated High-index borate glasses
EP4129942A1 (en) 2021-08-03 2023-02-08 Corning Incorporated Borate and silicoborate optical glasses with high refractive index and low liquidus temperature

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460954A (en) * 1964-05-21 1969-08-12 Bendix Corp Bao-nb2o5-sio2 glass compositions for use in fiber-optics
US3513004A (en) * 1966-04-11 1970-05-19 Owens Illinois Inc La2o3-tio2-ta2o5-zro2-bao-b2o3-sio2 optical glass
GB1302526A (es) * 1969-03-25 1973-01-10
DE2824891B2 (de) * 1978-06-07 1980-07-17 Jenaer Glaswerk Schott & Gen., 6500 Mainz Hochbrechende Brillenrohgläser des Systems SiO2 -B2 O3 - TiO2 -La2 O3 -Erdalkalioxide mit geringer
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
DE3026605C2 (de) * 1980-07-14 1983-07-07 Schott Glaswerke, 6500 Mainz Säurefestes, hydrolytisch beständiges optisches und ophthalmisches Borosilikat-Glas geringer Dichte
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
DE3138137C2 (de) * 1981-09-25 1985-05-15 Schott Glaswerke, 6500 Mainz ThO↓2↓ - und Ta↓2↓O↓5↓-freie optische Gläser mit Brechwerten von 1.87 - 1.93 und Abbezahlen von 30 - 35
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
DE3343418A1 (de) * 1983-12-01 1985-06-20 Schott Glaswerke, 6500 Mainz Optisches glas mit brechwerten>= 1.90, abbezahlen>= 25 und mit hoher chemischer bestaendigkeit
JPS60122745A (ja) * 1983-12-07 1985-07-01 Hoya Corp 光学ガラス
JPS61232243A (ja) * 1985-04-04 1986-10-16 Ohara Inc 眼鏡用および光学用ガラス
JPS62100449A (ja) * 1985-10-24 1987-05-09 Ohara Inc 光学ガラス
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
FR2619375B1 (fr) * 1987-08-14 1994-01-28 Corning Glass Works Verre a haut indice de refraction, faible dispersion, faible densite et durabilite chimique amelioree

Also Published As

Publication number Publication date
DE570687T1 (de) 1995-04-06
JPH0687628A (ja) 1994-03-29
HK1001046A1 (en) 1998-05-22
DE69300205D1 (de) 1995-07-27
DE69300205T2 (de) 1995-11-02
FR2690436B1 (fr) 1995-02-03
JP2521227B2 (ja) 1996-08-07
BR9301607A (pt) 1993-10-26
EP0570687B1 (en) 1995-06-21
EP0570687A1 (en) 1993-11-24
US5288669A (en) 1994-02-22
FR2690436A1 (fr) 1993-10-29

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