FR2767814B1 - Flint optique a base de baryum et exempt de plomb - Google Patents

Flint optique a base de baryum et exempt de plomb

Info

Publication number
FR2767814B1
FR2767814B1 FR9810711A FR9810711A FR2767814B1 FR 2767814 B1 FR2767814 B1 FR 2767814B1 FR 9810711 A FR9810711 A FR 9810711A FR 9810711 A FR9810711 A FR 9810711A FR 2767814 B1 FR2767814 B1 FR 2767814B1
Authority
FR
France
Prior art keywords
barium
lead free
optical flint
flint
optical
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 - Fee Related
Application number
FR9810711A
Other languages
English (en)
Other versions
FR2767814A1 (fr
Inventor
Uwe Kolberg
Alwin Weitzel
Trudewig Magdalena Winkler
Monika Gierke
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.)
Schott AG
Original Assignee
Schott Glaswerke AG
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 Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of FR2767814A1 publication Critical patent/FR2767814A1/fr
Application granted granted Critical
Publication of FR2767814B1 publication Critical patent/FR2767814B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03C3/076—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
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
    • 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
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

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)
FR9810711A 1997-09-03 1998-08-26 Flint optique a base de baryum et exempt de plomb Expired - Fee Related FR2767814B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997138428 DE19738428C1 (de) 1997-09-03 1997-09-03 Bleifreies optisches Bariumflintglas

Publications (2)

Publication Number Publication Date
FR2767814A1 FR2767814A1 (fr) 1999-03-05
FR2767814B1 true FR2767814B1 (fr) 2000-06-23

Family

ID=7841026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810711A Expired - Fee Related FR2767814B1 (fr) 1997-09-03 1998-08-26 Flint optique a base de baryum et exempt de plomb

Country Status (6)

Country Link
JP (1) JP4213264B2 (fr)
CN (1) CN1216822C (fr)
DE (1) DE19738428C1 (fr)
FR (1) FR2767814B1 (fr)
GB (1) GB2328937B (fr)
MY (1) MY124577A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4053810B2 (ja) * 2002-04-18 2008-02-27 株式会社オハラ 異常分散性を有する光学ガラス
CN107473584A (zh) * 2013-02-25 2017-12-15 成都光明光电股份有限公司 环保光学玻璃、玻璃预制件、光学元件及光学仪器
CN105819683B (zh) * 2016-03-04 2019-12-03 成都光明光电股份有限公司 环保光学玻璃和光学元件
CN110228945A (zh) * 2019-06-28 2019-09-13 成都光明光电股份有限公司 一种光学玻璃及其玻璃预制件、元件和仪器
CN111320382A (zh) * 2020-03-06 2020-06-23 成都光明光电股份有限公司 光学玻璃
CN111533443B (zh) * 2020-05-27 2022-04-15 成都光明光电股份有限公司 光学玻璃

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23049E (en) * 1946-08-19 1948-11-23 Ophthalmic glass
US2523265A (en) * 1947-11-28 1950-09-26 Corning Glass Works Ophthalmic glass
US2523266A (en) * 1948-11-22 1950-09-26 Corning Glass Works Ophthalmic glass
GB812576A (en) * 1956-09-10 1959-04-29 Pittsburgh Plate Glass Co Improvements in or relating to glass composition
US3460954A (en) * 1964-05-21 1969-08-12 Bendix Corp Bao-nb2o5-sio2 glass compositions for use in fiber-optics
JPS5953223B2 (ja) * 1979-10-23 1984-12-24 ホ−ヤ株式会社 眼鏡レンズ用ガラス
JPS5673646A (en) * 1979-11-22 1981-06-18 Ohara Inc Optical glass
SU975617A1 (ru) * 1981-03-16 1982-11-23 Предприятие П/Я Р-6681 Оптическое стекло
DE3139212C2 (de) * 1981-10-02 1987-02-12 Schott Glaswerke, 6500 Mainz Verwendung eines Glases mit Brechwerten nd ≥ 1,58, Abbezahlen ≥ 45 und Dichten ≦ 2,75 g/cm↑3↑ als Brillenglas
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
JPS60221338A (ja) * 1984-04-12 1985-11-06 Ohara Inc 光学ガラス
JPS60264343A (ja) * 1984-06-12 1985-12-27 Hoya Corp 撮像管のフエ−スプレ−トガラス
JPH01133956A (ja) * 1987-11-20 1989-05-26 Canon Inc 屈折率分布型レンズ用ガラス組成物
JP2535407B2 (ja) * 1989-05-31 1996-09-18 ホーヤ株式会社 光学ガラス
JP2747938B2 (ja) * 1990-08-03 1998-05-06 株式会社オハラ 樹脂充填用ガラス
JP2795326B2 (ja) * 1991-04-05 1998-09-10 株式会社オハラ 光学ガラス
JP2565813B2 (ja) * 1991-07-05 1996-12-18 株式会社オハラ 光学ガラス
JP2948013B2 (ja) * 1992-03-05 1999-09-13 東洋機械金属株式会社 ダイカストマシンにおける給湯制御方法
JP2933453B2 (ja) * 1992-09-25 1999-08-16 株式会社オハラ 光学ガラス

Also Published As

Publication number Publication date
FR2767814A1 (fr) 1999-03-05
JPH11171586A (ja) 1999-06-29
JP4213264B2 (ja) 2009-01-21
MY124577A (en) 2006-06-30
DE19738428C1 (de) 1998-08-20
GB2328937B (en) 2001-05-30
GB9818277D0 (en) 1998-10-14
CN1214324A (zh) 1999-04-21
GB2328937A (en) 1999-03-10
CN1216822C (zh) 2005-08-31

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20080430