JPS5722139A - Glass composition for preparation of optical element - Google Patents

Glass composition for preparation of optical element

Info

Publication number
JPS5722139A
JPS5722139A JP9415280A JP9415280A JPS5722139A JP S5722139 A JPS5722139 A JP S5722139A JP 9415280 A JP9415280 A JP 9415280A JP 9415280 A JP9415280 A JP 9415280A JP S5722139 A JPS5722139 A JP S5722139A
Authority
JP
Japan
Prior art keywords
glass composition
optical element
mgo
zno
sio
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
JP9415280A
Other languages
Japanese (ja)
Inventor
Takeshi Utsuki
Kunio Nakaguchi
Makoto Kume
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP9415280A priority Critical patent/JPS5722139A/en
Publication of JPS5722139A publication Critical patent/JPS5722139A/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
    • C03C3/076—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)

Abstract

PURPOSE: To provide a glass composition containing specific amounts of SiO2, Al2O3, ZnO, MgO, Li2O, and K2O as main components and suitable for making refractive index gradient.
CONSTITUTION: A glass composition contining, as main components, 52W75wt% of SiO2, 0W17% of Al2O3 (SiO2+Al2O3 is 52W75%), 5W25% of ZnO, 0W10% of MgO, (ZnO+MgO is 5W25%), 3W15% of Li2O, 0W20% of Na2O, and 0W20% of K2O (Li2O+Na2O+K2O is 10W25%). The composition also contains as stabilizing additives, 0W3wt% of P2O5, 0W4% of ZrO2, 0W5% of SnO2, 0W4% of TiO2, 0W5% of B2O3, 0W4% of La2O3, 0W3% of Ta2O3, 0W2% of As2O3, 0W2% of Sb2O3, 0W5% of CaO, 0W15% of BaO, 0W10% of Sro, 0W5% of PbO, and 0W5% of Cs2O. An optical element having refractive index gradient can be prepared from the composition by ion exchange method.
COPYRIGHT: (C)1982,JPO&Japio
JP9415280A 1980-07-10 1980-07-10 Glass composition for preparation of optical element Pending JPS5722139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9415280A JPS5722139A (en) 1980-07-10 1980-07-10 Glass composition for preparation of optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9415280A JPS5722139A (en) 1980-07-10 1980-07-10 Glass composition for preparation of optical element

Publications (1)

Publication Number Publication Date
JPS5722139A true JPS5722139A (en) 1982-02-05

Family

ID=14102402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9415280A Pending JPS5722139A (en) 1980-07-10 1980-07-10 Glass composition for preparation of optical element

Country Status (1)

Country Link
JP (1) JPS5722139A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789071A1 (en) * 1999-02-03 2000-08-04 Corning Sa Chemically toughenable lithium-containing borosilicate glass, for ophthalmic lenses, has high sodium, lanthanum, niobium and titanium oxide contents and a low calcium oxide content
JP2002522346A (en) * 1998-08-14 2002-07-23 コーニング インコーポレイテッド Lead-free glass
US7074732B2 (en) 1999-12-04 2006-07-11 Schott Glas Zinc-containing optical glass materials
WO2010149939A1 (en) * 2009-06-26 2010-12-29 Saint-Gobain Glass France Light-emitting diode with a built-in planar optical element having refractive index modulation
CZ303762B6 (en) * 2012-01-30 2013-04-24 Vysoká skola chemicko - technologická v Praze Optical sodium-aluminiumsilicate glass for photonic components

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002522346A (en) * 1998-08-14 2002-07-23 コーニング インコーポレイテッド Lead-free glass
FR2789071A1 (en) * 1999-02-03 2000-08-04 Corning Sa Chemically toughenable lithium-containing borosilicate glass, for ophthalmic lenses, has high sodium, lanthanum, niobium and titanium oxide contents and a low calcium oxide content
US7074732B2 (en) 1999-12-04 2006-07-11 Schott Glas Zinc-containing optical glass materials
WO2010149939A1 (en) * 2009-06-26 2010-12-29 Saint-Gobain Glass France Light-emitting diode with a built-in planar optical element having refractive index modulation
FR2947385A1 (en) * 2009-06-26 2010-12-31 Saint Gobain ELECTROLUMINESCENT DIODE INTEGRATING A PLANAR OPTICAL ELEMENT WITH REFRACTIVE INDEX MODULATION
CZ303762B6 (en) * 2012-01-30 2013-04-24 Vysoká skola chemicko - technologická v Praze Optical sodium-aluminiumsilicate glass for photonic components

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