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JPS5316718A - Optical glass without lead - Google Patents

Optical glass without lead

Info

Publication number
JPS5316718A
JPS5316718A JP9183376A JP9183376A JPS5316718A JP S5316718 A JPS5316718 A JP S5316718A JP 9183376 A JP9183376 A JP 9183376A JP 9183376 A JP9183376 A JP 9183376A JP S5316718 A JPS5316718 A JP S5316718A
Authority
JP
Japan
Prior art keywords
lead
optical glass
glass
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.)
Pending
Application number
JP9183376A
Other languages
Japanese (ja)
Inventor
Shinobu Tokunaga
Hideo Nagai
Kunio Watanabe
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.)
Sumita Optical Glass Inc
Original Assignee
Sumita Optical Glass 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 Sumita Optical Glass Inc filed Critical Sumita Optical Glass Inc
Priority to JP9183376A priority Critical patent/JPS5316718A/en
Publication of JPS5316718A publication Critical patent/JPS5316718A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/062Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064Glass compositions containing silica with less than 40% silica by weight 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)
JP9183376A 1976-07-31 1976-07-31 Optical glass without lead Pending JPS5316718A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9183376A JPS5316718A (en) 1976-07-31 1976-07-31 Optical glass without lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9183376A JPS5316718A (en) 1976-07-31 1976-07-31 Optical glass without lead

Publications (1)

Publication Number Publication Date
JPS5316718A true JPS5316718A (en) 1978-02-16

Family

ID=14037587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9183376A Pending JPS5316718A (en) 1976-07-31 1976-07-31 Optical glass without lead

Country Status (1)

Country Link
JP (1) JPS5316718A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5392816A (en) * 1977-01-27 1978-08-15 Hoya Glass Works Ltd Optical glass
US4526874A (en) * 1982-05-03 1985-07-02 Schott Glaswerke Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM3
US4612295A (en) * 1983-07-14 1986-09-16 Hoya Corporation Glass for eye glass lens
DE19631581C1 (en) * 1996-08-05 1997-11-27 Schott Glaswerke Barium flint glass used in optical applications
US6413894B1 (en) * 1998-04-30 2002-07-02 Hoya Corporation Optical glass and optical product
FR2827274A1 (en) 2001-07-11 2003-01-17 Schott Glas OPTICAL LENSES, HEAVY FLINT TYPE, LEAD FREE
US6703333B2 (en) * 2001-06-06 2004-03-09 Kabushiki Kaisha Ohara Optical glass
JP2007169157A (en) * 2005-12-23 2007-07-05 Schott Ag Optical glass
JP2009203134A (en) * 2008-02-28 2009-09-10 Ohara Inc Optical glass and optical element
US8030233B2 (en) * 2008-01-31 2011-10-04 Ohara Inc. Optical glass
JP2012254918A (en) * 2011-05-18 2012-12-27 Nippon Electric Glass Co Ltd High-refractive-index glass
CN103998386A (en) * 2011-12-02 2014-08-20 日本光硝子株式会社 Optical glass, optical element, and optical device
CN104944770A (en) * 2015-06-17 2015-09-30 成都光明光电股份有限公司 Anomalous dispersion optical glass
CN105923990A (en) * 2016-04-25 2016-09-07 湖北新华光信息材料有限公司 Optical glass, preparation method therefor and optical components thereof
CN105948482A (en) * 2016-04-25 2016-09-21 湖北新华光信息材料有限公司 Optical glass and preparation method thereof
CN108689596A (en) * 2017-03-31 2018-10-23 Hoya株式会社 Optical glass and optical element

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594390B2 (en) * 1977-01-27 1984-01-30 株式会社保谷硝子 optical glass
JPS5392816A (en) * 1977-01-27 1978-08-15 Hoya Glass Works Ltd Optical glass
US4526874A (en) * 1982-05-03 1985-07-02 Schott Glaswerke Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM3
US4612295A (en) * 1983-07-14 1986-09-16 Hoya Corporation Glass for eye glass lens
DE19631581C1 (en) * 1996-08-05 1997-11-27 Schott Glaswerke Barium flint glass used in optical applications
US6413894B1 (en) * 1998-04-30 2002-07-02 Hoya Corporation Optical glass and optical product
US6703333B2 (en) * 2001-06-06 2004-03-09 Kabushiki Kaisha Ohara Optical glass
FR2827274A1 (en) 2001-07-11 2003-01-17 Schott Glas OPTICAL LENSES, HEAVY FLINT TYPE, LEAD FREE
US6709998B2 (en) * 2001-07-11 2004-03-23 Schott Glas Lead-free optical heavy flint glasses
JP2007169157A (en) * 2005-12-23 2007-07-05 Schott Ag Optical glass
JP4589297B2 (en) * 2005-12-23 2010-12-01 ショット アクチエンゲゼルシャフト Optical glass
US8664133B2 (en) 2008-01-31 2014-03-04 Ohara Inc. Optical glass
US8030233B2 (en) * 2008-01-31 2011-10-04 Ohara Inc. Optical glass
JP2009203134A (en) * 2008-02-28 2009-09-10 Ohara Inc Optical glass and optical element
JP2012254918A (en) * 2011-05-18 2012-12-27 Nippon Electric Glass Co Ltd High-refractive-index glass
CN103998386A (en) * 2011-12-02 2014-08-20 日本光硝子株式会社 Optical glass, optical element, and optical device
CN103998386B (en) * 2011-12-02 2016-08-17 日本光硝子株式会社 Optical glass, optical element and optical instrument
CN104944770A (en) * 2015-06-17 2015-09-30 成都光明光电股份有限公司 Anomalous dispersion optical glass
CN105923990A (en) * 2016-04-25 2016-09-07 湖北新华光信息材料有限公司 Optical glass, preparation method therefor and optical components thereof
CN105948482A (en) * 2016-04-25 2016-09-21 湖北新华光信息材料有限公司 Optical glass and preparation method thereof
CN105923990B (en) * 2016-04-25 2019-03-26 湖北新华光信息材料有限公司 Optical glass, preparation method and optical element
CN108689596A (en) * 2017-03-31 2018-10-23 Hoya株式会社 Optical glass and optical element

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