JPS5117570B2 - - Google Patents

Info

Publication number
JPS5117570B2
JPS5117570B2 JP7198171A JP7198171A JPS5117570B2 JP S5117570 B2 JPS5117570 B2 JP S5117570B2 JP 7198171 A JP7198171 A JP 7198171A JP 7198171 A JP7198171 A JP 7198171A JP S5117570 B2 JPS5117570 B2 JP S5117570B2
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
JP7198171A
Other versions
JPS4837410A (ja
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 JP7198171A priority Critical patent/JPS5117570B2/ja
Priority to DE2237259A priority patent/DE2237259A1/de
Priority to DE19722265703 priority patent/DE2265703C2/de
Publication of JPS4837410A publication Critical patent/JPS4837410A/ja
Priority to US05/538,483 priority patent/US3958999A/en
Publication of JPS5117570B2 publication Critical patent/JPS5117570B2/ja
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
    • C03C3/068—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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/15—Silica-free oxide glass compositions 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
    • C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium

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)
JP7198171A 1971-07-30 1971-09-16 Expired JPS5117570B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7198171A JPS5117570B2 (ja) 1971-09-16 1971-09-16
DE2237259A DE2237259A1 (de) 1971-07-30 1972-07-28 Optische glaeser
DE19722265703 DE2265703C2 (de) 1971-07-30 1972-07-28 Thoriumoxidfreies optisches Glas auf der Basis B↓2↓0↓3↓-Gd↓2↓0↓3↓-La↓2↓0↓3↓
US05/538,483 US3958999A (en) 1971-07-30 1975-01-03 Optical glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7198171A JPS5117570B2 (ja) 1971-09-16 1971-09-16

Publications (2)

Publication Number Publication Date
JPS4837410A JPS4837410A (ja) 1973-06-02
JPS5117570B2 true JPS5117570B2 (ja) 1976-06-03

Family

ID=13476133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7198171A Expired JPS5117570B2 (ja) 1971-07-30 1971-09-16

Country Status (1)

Country Link
JP (1) JPS5117570B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009930B4 (de) * 2004-02-26 2008-07-24 Schott Ag Blei- und arsenfreie optische Lanthan-Flint-Gläser sowie deren Verwendung

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214607A (en) * 1975-07-24 1977-02-03 Obara Optical Glass Optical glass not containing thorium
JPS5263211A (en) * 1975-11-20 1977-05-25 Nippon Chemical Ind Optical glass
JPS52155615A (en) * 1976-06-22 1977-12-24 Obara Optical Glass Optical glass
JPS52155614A (en) * 1976-06-22 1977-12-24 Obara Optical Glass Optical glass of high difraction index and low dispersion
JPS5369054A (en) * 1976-11-30 1978-06-20 Seiwa Kiko Kk Mock sunlight device
JP4093524B2 (ja) 2001-02-20 2008-06-04 Ｈｏｙａ株式会社 光学ガラス、プレス成形予備体および光学部品
JP2006315954A (ja) * 2006-06-30 2006-11-24 Hoya Corp 光学ガラス、プレス成形予備体および光学部品
JP5734246B2 (ja) * 2012-07-17 2015-06-17 Hoya株式会社 光学ガラス、プレス成形予備体および光学部品
JP5734245B2 (ja) * 2012-07-17 2015-06-17 Hoya株式会社 光学ガラス、プレス成形予備体および光学部品
JP6472657B2 (ja) * 2014-12-26 2019-02-20 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
JP5902327B2 (ja) * 2015-01-23 2016-04-13 Hoya株式会社 光学ガラス、プレス成形予備体および光学部品
EP3578524A4 (en) * 2017-02-01 2020-11-18 Ohara Inc. OPTICAL GLASS, PREFORM AND OPTICAL ELEMENT
JP7089870B2 (ja) * 2017-12-28 2022-06-23 株式会社オハラ 光学ガラス、光学素子およびプリフォーム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009930B4 (de) * 2004-02-26 2008-07-24 Schott Ag Blei- und arsenfreie optische Lanthan-Flint-Gläser sowie deren Verwendung

Also Published As

Publication number Publication date
JPS4837410A (ja) 1973-06-02

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