JPS5342328B2 - - Google Patents

Info

Publication number
JPS5342328B2
JPS5342328B2 JP9063775A JP9063775A JPS5342328B2 JP S5342328 B2 JPS5342328 B2 JP S5342328B2 JP 9063775 A JP9063775 A JP 9063775A JP 9063775 A JP9063775 A JP 9063775A JP S5342328 B2 JPS5342328 B2 JP S5342328B2
Authority
JP
Japan
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
Application number
JP9063775A
Other languages
Japanese (ja)
Other versions
JPS5214607A (en
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 filed Critical
Priority to JP9063775A priority Critical patent/JPS5214607A/ja
Publication of JPS5214607A publication Critical patent/JPS5214607A/ja
Publication of JPS5342328B2 publication Critical patent/JPS5342328B2/ja
Granted 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
    • 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

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)
JP9063775A 1975-07-24 1975-07-24 Optical glass not containing thorium Granted JPS5214607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9063775A JPS5214607A (en) 1975-07-24 1975-07-24 Optical glass not containing thorium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9063775A JPS5214607A (en) 1975-07-24 1975-07-24 Optical glass not containing thorium

Publications (2)

Publication Number Publication Date
JPS5214607A JPS5214607A (en) 1977-02-03
JPS5342328B2 true JPS5342328B2 (xx) 1978-11-10

Family

ID=14004001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9063775A Granted JPS5214607A (en) 1975-07-24 1975-07-24 Optical glass not containing thorium

Country Status (1)

Country Link
JP (1) JPS5214607A (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194847U (xx) * 1981-06-03 1982-12-10
EP1604959A1 (en) * 2004-06-02 2005-12-14 Kabushiki Kaisha Ohara An optical glass

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155614A (en) * 1976-06-22 1977-12-24 Obara Optical Glass Optical glass of high difraction index and low dispersion
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
JPS59135647A (ja) * 1983-01-21 1984-08-03 Sanyo Electric Co Ltd テ−プレコ−ダのキヤプスタン装置
DE3307497C2 (de) * 1983-03-03 1985-09-12 Schott Glaswerke, 6500 Mainz Optisches Glas im System Si0↓2↓ - B↓2↓0↓3↓ - La↓2↓0↓3↓ - Zr0↓2↓ - Alkalioxid - Erdalkalioxid - Zn0 - F mit Brechwerten ≥ 1,70, Abbezahlen ≥ 48, mit guter Entglasungsstabilität und guter chemischer Beständigkeit
CN100457658C (zh) 2002-12-17 2009-02-04 株式会社小原 光学玻璃
JP4739721B2 (ja) 2003-11-17 2011-08-03 株式会社オハラ 光学ガラス
JP5602987B2 (ja) * 2007-10-12 2014-10-08 株式会社オハラ 光学ガラス
JP5160947B2 (ja) * 2007-12-19 2013-03-13 パナソニック株式会社 光学ガラス組成物、プリフォーム及び光学素子
JP5160948B2 (ja) * 2007-12-19 2013-03-13 パナソニック株式会社 光学ガラス組成物、プリフォーム及び光学素子
JP5160949B2 (ja) * 2007-12-19 2013-03-13 パナソニック株式会社 光学ガラス組成物、プリフォーム及び光学素子
JP5624832B2 (ja) * 2009-09-30 2014-11-12 Hoya株式会社 光学ガラス、プレス成形用ガラス素材、光学素子とその製造方法
JP6086804B2 (ja) * 2013-04-30 2017-03-01 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
CN103449720B (zh) * 2013-08-22 2016-08-17 成都尤利特光电科技股份有限公司 高折射、低色散光学玻璃及其制造方法
CN104761147B (zh) * 2015-04-24 2017-03-15 中国建筑材料科学研究总院 一种特种火石玻璃及其制备方法
US10427972B2 (en) * 2016-07-21 2019-10-01 Corning Incorporated Transparent silicate glasses with high fracture toughness

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1529337A (fr) * 1966-12-12 1968-06-14 Jenaer Glas Schott Gen Veb Verres optiques au borate
GB1299879A (en) * 1969-12-09 1972-12-13 Pilkington Brothers Ltd Improvements in or relating to glass compositions
JPS4837410A (xx) * 1971-09-16 1973-06-02
JPS4955705A (xx) * 1972-09-30 1974-05-30
JPS5014712A (xx) * 1973-06-09 1975-02-17

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1529337A (fr) * 1966-12-12 1968-06-14 Jenaer Glas Schott Gen Veb Verres optiques au borate
GB1299879A (en) * 1969-12-09 1972-12-13 Pilkington Brothers Ltd Improvements in or relating to glass compositions
JPS4837410A (xx) * 1971-09-16 1973-06-02
JPS4955705A (xx) * 1972-09-30 1974-05-30
JPS5014712A (xx) * 1973-06-09 1975-02-17

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194847U (xx) * 1981-06-03 1982-12-10
US8466075B2 (en) 2004-02-06 2013-06-18 Kabushiki Kaisha Ohara Optical glass
EP1604959A1 (en) * 2004-06-02 2005-12-14 Kabushiki Kaisha Ohara An optical glass
US7659222B2 (en) 2004-06-02 2010-02-09 Kabushiki Kaisha Ohara Optical glass
US8163665B2 (en) 2004-06-02 2012-04-24 Ohara, Inc. Optical glass

Also Published As

Publication number Publication date
JPS5214607A (en) 1977-02-03

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