FR2396331A1 - - Google Patents

Info

Publication number
FR2396331A1
FR2396331A1 FR7819199A FR7819199A FR2396331A1 FR 2396331 A1 FR2396331 A1 FR 2396331A1 FR 7819199 A FR7819199 A FR 7819199A FR 7819199 A FR7819199 A FR 7819199A FR 2396331 A1 FR2396331 A1 FR 2396331A1
Authority
FR
France
Prior art keywords
glasses
added
sodium
geo2
zro2
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.)
Granted
Application number
FR7819199A
Other languages
English (en)
Other versions
FR2396331B1 (fr
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of FR2396331A1 publication Critical patent/FR2396331A1/fr
Application granted granted Critical
Publication of FR2396331B1 publication Critical patent/FR2396331B1/fr
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
    • 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
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • 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

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)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

La présente invention concerne des verres au borosilicate contenant du zircon avec des indices de réfraction moyens à élevés et des valeurs inverses du pouvoir de dispersion relativement faibles. Les verres conformes à l'invention contiennent comme composants principaux SiO2 et B2 J3 ainsi que ZrO2 . On peut ajouter des composés de sodium et de l'oxyde de tentale et de tungstène. En plus de la variation de la teneur en métal alcalin, l'oxyde d'antimoine Sp2 O3 agit sur les caractéristiques physiques des verres. D'autres oxydes peuvent être ajouté tels que GeO2 , TiO2 , La 2 O3 , Y2 O3 et Nb2 O5 . L'invention sert à la réalisation de verres optiques pour les objectifs photographiques.
FR7819199A 1977-07-01 1978-06-27 Expired FR2396331B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772729706 DE2729706A1 (de) 1977-07-01 1977-07-01 Zirkonhaltige borosilikatglaeser mit brechzahlen n tief e im bereich von 1,55 kleiner als n tief e kleiner als 1,72, abbe-zahlen ny tief e im bereich von 50 groesser als ny tief e groesser als 34 sowie negativen anomalen teildispersionswerten delta ny tief e zwischen -3,0 und -7,7, sowie verfahren zu ihrer herstellung

Publications (2)

Publication Number Publication Date
FR2396331A1 true FR2396331A1 (fr) 1979-01-26
FR2396331B1 FR2396331B1 (fr) 1983-12-30

Family

ID=6012874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819199A Expired FR2396331B1 (fr) 1977-07-01 1978-06-27

Country Status (5)

Country Link
US (1) US4200467A (fr)
JP (1) JPS5849502B2 (fr)
DE (1) DE2729706A1 (fr)
FR (1) FR2396331B1 (fr)
GB (1) GB2000491B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151601A (en) * 1979-05-15 1980-11-26 Minolta Camera Co Ltd Pentagonal prism for camera finder
DE3917614C1 (fr) * 1989-05-31 1990-06-07 Schott Glaswerke, 6500 Mainz, De
JP3113604B2 (ja) * 1997-03-25 2000-12-04 株式会社オハラ 負の異常分散性を有する光学ガラス
DE19906240A1 (de) 1999-02-15 2000-08-17 Schott Glas Hochzirkoniumoxidhaltiges Glas und dessen Verwendungen
ATE275102T1 (de) 1999-02-15 2004-09-15 Schott Glas Hochzirconiumoxidhaltiges glas und seine verwendungen
JP4799726B2 (ja) * 2000-10-02 2011-10-26 株式会社住田光学ガラス 耐紫外線ガラス
CN1313403C (zh) * 2003-12-31 2007-05-02 中国科学院西安光学精密机械研究所 光放大用铒镱共掺多组份氧化物玻璃及其制备方法
CN104909559B (zh) * 2014-03-13 2019-07-09 成都光明光电股份有限公司 具有负向反常色散的光学玻璃和光学元件
JP6804264B2 (ja) * 2015-11-11 2020-12-23 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
US10370289B2 (en) 2015-11-11 2019-08-06 Ohara Inc. Optical glass, preform, and optical element

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551390A (fr) * 1956-09-10
DE919195C (de) * 1952-11-22 1954-10-14 Leitz Ernst Gmbh Optisches Kronglas
DE962288C (de) * 1954-09-14 1957-04-18 Leitz Ernst Gmbh Optisches Glas
US3529980A (en) * 1966-05-03 1970-09-22 Leitz Ernst Gmbh Borosilicate optical crown glass with anomalous partial dispersions with negative deltave dispersion values
FR2279684A1 (fr) * 1974-07-24 1976-02-20 Jenaer Glaswerk Schott & Gen Verres flints dont le chemin optique est independant de la temperature
DE2655857A1 (de) * 1975-12-10 1977-06-16 Hoya Corp Glas fuer augenglaslinsen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812576A (en) * 1956-09-10 1959-04-29 Pittsburgh Plate Glass Co Improvements in or relating to glass composition
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↑

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919195C (de) * 1952-11-22 1954-10-14 Leitz Ernst Gmbh Optisches Kronglas
DE962288C (de) * 1954-09-14 1957-04-18 Leitz Ernst Gmbh Optisches Glas
BE551390A (fr) * 1956-09-10
US3529980A (en) * 1966-05-03 1970-09-22 Leitz Ernst Gmbh Borosilicate optical crown glass with anomalous partial dispersions with negative deltave dispersion values
FR2279684A1 (fr) * 1974-07-24 1976-02-20 Jenaer Glaswerk Schott & Gen Verres flints dont le chemin optique est independant de la temperature
DE2655857A1 (de) * 1975-12-10 1977-06-16 Hoya Corp Glas fuer augenglaslinsen
FR2334640A1 (fr) * 1975-12-10 1977-07-08 Hoya Corp Verre pour lentilles de contact

Also Published As

Publication number Publication date
US4200467A (en) 1980-04-29
FR2396331B1 (fr) 1983-12-30
GB2000491A (en) 1979-01-10
DE2729706A1 (de) 1979-01-11
JPS5849502B2 (ja) 1983-11-04
JPS5439424A (fr) 1979-03-26
GB2000491B (en) 1982-05-26
DE2729706C2 (fr) 1988-03-03

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Legal Events

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CD Change of name or company name
CD Change of name or company name
TP Transmission of property
ST Notification of lapse
ST Notification of lapse