JPS5225812A - Optical flint glass of low density - Google Patents

Optical flint glass of low density

Info

Publication number
JPS5225812A
JPS5225812A JP10158775A JP10158775A JPS5225812A JP S5225812 A JPS5225812 A JP S5225812A JP 10158775 A JP10158775 A JP 10158775A JP 10158775 A JP10158775 A JP 10158775A JP S5225812 A JPS5225812 A JP S5225812A
Authority
JP
Japan
Prior art keywords
low density
flint glass
optical flint
optical
glass
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
JP10158775A
Other languages
Japanese (ja)
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 JP10158775A priority Critical patent/JPS5225812A/en
Publication of JPS5225812A publication Critical patent/JPS5225812A/en
Pending 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

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)
JP10158775A 1975-08-20 1975-08-20 Optical flint glass of low density Pending JPS5225812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10158775A JPS5225812A (en) 1975-08-20 1975-08-20 Optical flint glass of low density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10158775A JPS5225812A (en) 1975-08-20 1975-08-20 Optical flint glass of low density

Publications (1)

Publication Number Publication Date
JPS5225812A true JPS5225812A (en) 1977-02-26

Family

ID=14304507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10158775A Pending JPS5225812A (en) 1975-08-20 1975-08-20 Optical flint glass of low density

Country Status (1)

Country Link
JP (1) JPS5225812A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428013A1 (en) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen VERY REFRINGENT LOW DENSITY OPTICAL LENSES FOR DOUBLE FOCAL EYEWEAR LENSES
JPS55126549A (en) * 1979-03-19 1980-09-30 Ohara Inc High refraction high dispersion optical glass
JPS59130666A (en) * 1982-12-18 1984-07-27 Nichidoku Jukogyo Kk Continuous casting method of thin slab of metal, in particular, steel
FR2549033A1 (en) * 1983-07-14 1985-01-18 Hoya Corp GLASS FOR GLASSES OF GLASSES
JPH01148726A (en) * 1987-12-04 1989-06-12 Sumita Kogaku Glass Seizosho:Kk Optical glass
JPH06135738A (en) * 1991-04-17 1994-05-17 Ohara Inc Optical glass
US5332700A (en) * 1992-03-17 1994-07-26 Kabushiki Kaisha Ohara High dispersion optical glass
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
US6461733B1 (en) 1999-08-30 2002-10-08 Kabushiki Kaisha Ohara Glass for a light filter and light filter
US6465105B1 (en) 1999-08-02 2002-10-15 Hoya Corporation WDM optical filter and glass substrate for use in the WDM optical filter
FR2827274A1 (en) 2001-07-11 2003-01-17 Schott Glas OPTICAL LENSES, HEAVY FLINT TYPE, LEAD FREE
CN1105691C (en) * 1994-08-05 2003-04-16 株式会社小原 Optical glass
US7041612B2 (en) 2002-06-06 2006-05-09 Schott Glas Lead-free and arsenic-free special short flint glass
JP2009179538A (en) * 2008-01-31 2009-08-13 Ohara Inc Optical glass
JP2010150137A (en) * 2003-06-10 2010-07-08 Ohara Inc Optical glass
US7884040B2 (en) 2007-04-16 2011-02-08 Ohara Inc. Optical glass
JP2013028532A (en) * 2012-10-22 2013-02-07 Ohara Inc Optical glass
CN106587599A (en) * 2008-09-30 2017-04-26 株式会社小原 Optical glass and method for suppressing the deterioration of spectral transmittance
JP2017105703A (en) * 2015-12-07 2017-06-15 株式会社オハラ Optical glass, preform and optical element

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428013A1 (en) * 1978-06-07 1980-01-04 Jenaer Glaswerk Schott & Gen VERY REFRINGENT LOW DENSITY OPTICAL LENSES FOR DOUBLE FOCAL EYEWEAR LENSES
JPS55126549A (en) * 1979-03-19 1980-09-30 Ohara Inc High refraction high dispersion optical glass
JPS59130666A (en) * 1982-12-18 1984-07-27 Nichidoku Jukogyo Kk Continuous casting method of thin slab of metal, in particular, steel
FR2549033A1 (en) * 1983-07-14 1985-01-18 Hoya Corp GLASS FOR GLASSES OF GLASSES
JPH01148726A (en) * 1987-12-04 1989-06-12 Sumita Kogaku Glass Seizosho:Kk Optical glass
JPH06135738A (en) * 1991-04-17 1994-05-17 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
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
US6333288B1 (en) 1999-05-06 2001-12-25 Schott Glas Lead-free optical glasses
US6465105B1 (en) 1999-08-02 2002-10-15 Hoya Corporation WDM optical filter and glass substrate for use in the WDM optical filter
US6461733B1 (en) 1999-08-30 2002-10-08 Kabushiki Kaisha Ohara Glass for a light filter and light filter
FR2827274A1 (en) 2001-07-11 2003-01-17 Schott Glas OPTICAL LENSES, HEAVY FLINT TYPE, LEAD FREE
US7041612B2 (en) 2002-06-06 2006-05-09 Schott Glas Lead-free and arsenic-free special short flint glass
JP2010150137A (en) * 2003-06-10 2010-07-08 Ohara Inc Optical glass
US7884040B2 (en) 2007-04-16 2011-02-08 Ohara Inc. Optical glass
JP2009179538A (en) * 2008-01-31 2009-08-13 Ohara Inc Optical glass
EP2105417A1 (en) 2008-01-31 2009-09-30 Ohara Inc. Optical glass
US8664133B2 (en) 2008-01-31 2014-03-04 Ohara Inc. Optical glass
CN106587599A (en) * 2008-09-30 2017-04-26 株式会社小原 Optical glass and method for suppressing the deterioration of spectral transmittance
JP2013028532A (en) * 2012-10-22 2013-02-07 Ohara Inc Optical glass
JP2017105703A (en) * 2015-12-07 2017-06-15 株式会社オハラ Optical glass, preform and optical element

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