JPS6114090B2 - - Google Patents

Info

Publication number
JPS6114090B2
JPS6114090B2 JP2202379A JP2202379A JPS6114090B2 JP S6114090 B2 JPS6114090 B2 JP S6114090B2 JP 2202379 A JP2202379 A JP 2202379A JP 2202379 A JP2202379 A JP 2202379A JP S6114090 B2 JPS6114090 B2 JP S6114090B2
Authority
JP
Japan
Prior art keywords
weight
glass
devitrification resistance
optical
optical performance
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
Application number
JP2202379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55116641A (en
Inventor
Masayuki Kimura
Toshiro Takahashi
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP2202379A priority Critical patent/JPS55116641A/ja
Publication of JPS55116641A publication Critical patent/JPS55116641A/ja
Publication of JPS6114090B2 publication Critical patent/JPS6114090B2/ja
Granted 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
    • C03C3/068Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths

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)
JP2202379A 1979-02-28 1979-02-28 Optical glass Granted JPS55116641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2202379A JPS55116641A (en) 1979-02-28 1979-02-28 Optical glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2202379A JPS55116641A (en) 1979-02-28 1979-02-28 Optical glass

Publications (2)

Publication Number Publication Date
JPS55116641A JPS55116641A (en) 1980-09-08
JPS6114090B2 true JPS6114090B2 (US06521211-20030218-C00004.png) 1986-04-17

Family

ID=12071377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2202379A Granted JPS55116641A (en) 1979-02-28 1979-02-28 Optical glass

Country Status (1)

Country Link
JP (1) JPS55116641A (US06521211-20030218-C00004.png)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4017832B2 (ja) * 2001-03-27 2007-12-05 Hoya株式会社 光学ガラスおよび光学部品
JP4562041B2 (ja) * 2002-12-27 2010-10-13 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
DE102004009930B4 (de) * 2004-02-26 2008-07-24 Schott Ag Blei- und arsenfreie optische Lanthan-Flint-Gläser sowie deren Verwendung
US7576020B2 (en) 2004-10-12 2009-08-18 Hoya Corporation Optical glass, precision press-molding preform, process for the production of the preform, optical element and process for the production of the optical element
JP2008222479A (ja) * 2007-03-12 2008-09-25 Ohara Inc 光学ガラス
JP2008233547A (ja) * 2007-03-20 2008-10-02 Hoya Corp 車載カメラ用レンズ硝材及び車載カメラ用レンズ
CN102311229A (zh) 2011-09-07 2012-01-11 成都光明光电股份有限公司 光学玻璃及光学元件
JP6095356B2 (ja) * 2011-12-28 2017-03-15 株式会社オハラ 光学ガラス及び光学素子
CN107721160A (zh) * 2013-04-05 2018-02-23 株式会社小原 光学玻璃、预成型材料及光学元件
JP5979723B2 (ja) * 2013-07-31 2016-08-31 株式会社オハラ 光学ガラス及び光学素子
JP6049591B2 (ja) * 2013-07-31 2016-12-21 株式会社オハラ 光学ガラス、プリフォーム材及び光学素子
JP6188553B2 (ja) * 2013-07-31 2017-08-30 株式会社オハラ 光学ガラス、プリフォーム材及び光学素子
JP6544238B2 (ja) * 2013-12-03 2019-07-17 Agc株式会社 光学ガラス、プレス成形用プリフォームおよび光学素子
JP6603449B2 (ja) 2014-09-30 2019-11-06 Hoya株式会社 ガラス、プレス成形用ガラス素材、光学素子ブランク、および光学素子
JP6033487B2 (ja) * 2016-08-19 2016-11-30 株式会社オハラ 光学ガラス及び光学素子
JP7174536B2 (ja) * 2017-05-16 2022-11-17 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP2017171578A (ja) * 2017-06-23 2017-09-28 株式会社オハラ 光学ガラス及び光学素子
JP6600702B2 (ja) * 2018-01-18 2019-10-30 Hoya株式会社 ガラス、プレス成形用ガラス素材、光学素子ブランク、および光学素子
JP7089933B2 (ja) * 2018-04-26 2022-06-23 Hoya株式会社 光学ガラスおよび光学素子

Also Published As

Publication number Publication date
JPS55116641A (en) 1980-09-08

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