JPS5245612A - Flint glass of low density - Google Patents

Flint glass of low density

Info

Publication number
JPS5245612A
JPS5245612A JP12203175A JP12203175A JPS5245612A JP S5245612 A JPS5245612 A JP S5245612A JP 12203175 A JP12203175 A JP 12203175A JP 12203175 A JP12203175 A JP 12203175A JP S5245612 A JPS5245612 A JP S5245612A
Authority
JP
Japan
Prior art keywords
low density
flint glass
flint
glass
density
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.)
Granted
Application number
JP12203175A
Other languages
Japanese (ja)
Other versions
JPS5846459B2 (en
Inventor
Hideo Nagai
Shinobu Tokunaga
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 JP12203175A priority Critical patent/JPS5846459B2/en
Publication of JPS5245612A publication Critical patent/JPS5245612A/en
Publication of JPS5846459B2 publication Critical patent/JPS5846459B2/en
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
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal

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)
JP12203175A 1975-10-09 1975-10-09 Low density flint optical glass Expired JPS5846459B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12203175A JPS5846459B2 (en) 1975-10-09 1975-10-09 Low density flint optical glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12203175A JPS5846459B2 (en) 1975-10-09 1975-10-09 Low density flint optical glass

Publications (2)

Publication Number Publication Date
JPS5245612A true JPS5245612A (en) 1977-04-11
JPS5846459B2 JPS5846459B2 (en) 1983-10-17

Family

ID=14825869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12203175A Expired JPS5846459B2 (en) 1975-10-09 1975-10-09 Low density flint optical glass

Country Status (1)

Country Link
JP (1) JPS5846459B2 (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161620A (en) * 1978-06-07 1979-12-21 Jenaer Glaswerk Schott & Gen High refractive index glass having limited specific gravity for long and short distance glass lenses
JPS60250795A (en) * 1984-05-28 1985-12-11 Nec Home Electronics Ltd Optical recording device of color video signal
JPH06107425A (en) * 1991-04-05 1994-04-19 Ohara Inc Optical glass
US5332700A (en) * 1992-03-17 1994-07-26 Kabushiki Kaisha Ohara High dispersion optical glass
DE19631580C1 (en) * 1996-08-05 1997-11-20 Schott Glaswerke Lead-free barium flint glass for optical applications
DE19838198A1 (en) * 1998-08-24 2000-03-02 Schott Glas High elasticity modulus glass and lithium oxide-containing glass-ceramic, e.g. for hard disk substrates, have specified silicon, boron, alkali and alkaline earth metal, zirconium, titanium, niobium and lanthanum oxide contents
DE19920865C1 (en) * 1999-05-06 2000-06-29 Schott Glas Lead-free optical borosilicate glass, for optical equipment and optical data applications, contains barium, zinc, titanium, niobium and rare earth oxides and has a high refractive index and a low Abbe number
JP2003054983A (en) * 2001-06-06 2003-02-26 Ohara Inc Optical glass
CN1105691C (en) * 1994-08-05 2003-04-16 株式会社小原 Optical glass
EP1308424A1 (en) * 2001-10-15 2003-05-07 Hoya Corporation Optical glass, glass material for press molding, optical element, and method of manufacturing same
EP1350770A1 (en) 2002-04-02 2003-10-08 Kabushiki Kaisha Ohara Optical glass
EP1452495A2 (en) 2003-02-25 2004-09-01 Schott Glas Aluminosilicate glass
WO2004110942A1 (en) 2003-06-10 2004-12-23 Kabushiki Kaisha Ohara Optical glass
JP2017105702A (en) * 2015-12-07 2017-06-15 株式会社オハラ Optical glass, preform and optical element
DE102006052787B4 (en) * 2005-12-23 2017-06-22 Schott Ag Optical glass

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63237468A (en) * 1987-03-25 1988-10-03 Nec Yamagata Ltd Semiconductor integrated circuit
DE19850744C1 (en) * 1998-11-04 2000-10-05 Schott Glas Use of glasses for the production of hard disk substrates
CN106927674A (en) * 2015-11-11 2017-07-07 株式会社小原 A kind of optical glass, prefabricated component and optical element

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236976B2 (en) * 1978-06-07 1987-08-10 Schott Glaswerke
JPS54161620A (en) * 1978-06-07 1979-12-21 Jenaer Glaswerk Schott & Gen High refractive index glass having limited specific gravity for long and short distance glass lenses
JPS60250795A (en) * 1984-05-28 1985-12-11 Nec Home Electronics Ltd Optical recording device of color video signal
JPH06107425A (en) * 1991-04-05 1994-04-19 Ohara Inc Optical glass
US5332700A (en) * 1992-03-17 1994-07-26 Kabushiki Kaisha Ohara High dispersion optical glass
CN1105691C (en) * 1994-08-05 2003-04-16 株式会社小原 Optical glass
DE19631580C1 (en) * 1996-08-05 1997-11-20 Schott Glaswerke Lead-free barium flint glass for optical applications
DE19838198A1 (en) * 1998-08-24 2000-03-02 Schott Glas High elasticity modulus glass and lithium oxide-containing glass-ceramic, e.g. for hard disk substrates, have specified silicon, boron, alkali and alkaline earth metal, zirconium, titanium, niobium and lanthanum oxide contents
US6184162B1 (en) 1998-08-24 2001-02-06 Schott Glas Glasses and glass-ceramics with high E-moduli
DE19838198C2 (en) * 1998-08-24 2002-06-27 Schott Glas Glasses and glass ceramics with a high modulus of elasticity and their uses
DE19920865C1 (en) * 1999-05-06 2000-06-29 Schott Glas Lead-free optical borosilicate glass, for optical equipment and optical data applications, contains barium, zinc, titanium, niobium and rare earth oxides and has a high refractive index and a low Abbe number
JP2003054983A (en) * 2001-06-06 2003-02-26 Ohara Inc Optical glass
EP1308424A1 (en) * 2001-10-15 2003-05-07 Hoya Corporation Optical glass, glass material for press molding, optical element, and method of manufacturing same
US7015164B2 (en) 2001-10-15 2006-03-21 Hoya Corporation Optical glass, glass material for press molding, optical element, and method of manufacturing same
US8479539B2 (en) 2001-10-15 2013-07-09 Hoya Corporation Optical glass, glass material for press molding, optical element, and method of manufacturing same
EP1350770A1 (en) 2002-04-02 2003-10-08 Kabushiki Kaisha Ohara Optical glass
US6828265B2 (en) 2002-04-02 2004-12-07 Kabushiki Kaisha Ohara Optical glass
EP1452495A2 (en) 2003-02-25 2004-09-01 Schott Glas Aluminosilicate glass
US7169470B2 (en) 2003-02-25 2007-01-30 Schott Ag Aluminosilicate glass
WO2004110942A1 (en) 2003-06-10 2004-12-23 Kabushiki Kaisha Ohara Optical glass
DE102006052787B4 (en) * 2005-12-23 2017-06-22 Schott Ag Optical glass
JP2017105702A (en) * 2015-12-07 2017-06-15 株式会社オハラ Optical glass, preform and optical element

Also Published As

Publication number Publication date
JPS5846459B2 (en) 1983-10-17

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