MY119608A - Lead-and arsenic-free optical lightweight glass - Google Patents

Lead-and arsenic-free optical lightweight glass

Info

Publication number
MY119608A
MY119608A MYPI9605558A MY119608A MY 119608 A MY119608 A MY 119608A MY PI9605558 A MYPI9605558 A MY PI9605558A MY 119608 A MY119608 A MY 119608A
Authority
MY
Malaysia
Prior art keywords
arsenic
lead
free optical
lightweight glass
total
Prior art date
Application number
Inventor
Danuta Grabowski
Uwe Dr Kolberg
Volkmar Geiler
Magdalena Winkler-Trudewig
Alwin Weitzel
Original Assignee
Schott Ag
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 Schott Ag filed Critical Schott Ag
Publication of MY119608A publication Critical patent/MY119608A/en

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
    • 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
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum

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)
  • Ceramic Engineering (AREA)
  • Glass Compositions (AREA)

Abstract

THE SUBJECT OF THE INVENTION IS A LEAD- AND ARSENIC-FREE OPTICAL LIGHTWEIGHT GLASS HAVING A DENSITY OF BETWEEN 2.92 < P < 3.06 G/CM3, A REFRACTIVE INDEX OF BETWEEN 1.68 < ND < 1.74, AN ABBE COEFFICIENT OF BETWEEN 28 < VD < 32 AND HAVING VERY GOOD CHEMICAL STABILITY AND OUTSTANDING CRYSTALLIZATION STABILITY, AND A COMPOSITION (IN BY WEIGHT) OF:SIO2 35.1 - 44; GEO2 0 - 2; B2O3 2 - 3.5; NA2O 9 -14; K2O 6 - 9; LI2O 0 - 1; CS2O 0 - 2; TOTAL M2O 16 - 21; CAO 0.5 - 3; BAO 3 - 8; ZNO 0 -1; SRO 0.02 - 1; TOTAL MO 5.5 - 9; TIO2 22- 30; ZRO2 0.2 - 1.99; NB2O5 4 - 10; A12O3 0 - 1; WO3 0 - 2; SNO2 0 - 0.5.
MYPI9605558 1996-01-29 1996-12-31 Lead-and arsenic-free optical lightweight glass MY119608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996103050 DE19603050C1 (en) 1996-01-29 1996-01-29 Lead- and arsenic-free lightweight optical glass

Publications (1)

Publication Number Publication Date
MY119608A true MY119608A (en) 2005-06-30

Family

ID=7783927

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9605558 MY119608A (en) 1996-01-29 1996-12-31 Lead-and arsenic-free optical lightweight glass

Country Status (4)

Country Link
JP (1) JP4219994B2 (en)
DE (1) DE19603050C1 (en)
FR (1) FR2744114B1 (en)
MY (1) MY119608A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3383942B2 (en) 1999-08-02 2003-03-10 Ｈｏｙａ株式会社 Glass substrate for WDM optical filter, WDM optical filter, optical multiplexer / demultiplexer for WDM
TWI250135B (en) * 2001-10-15 2006-03-01 Hoya Corp Optical glass, glass material for press molding, optical element, and method of manufacturing same
JP5543078B2 (en) * 2008-02-28 2014-07-09 株式会社オハラ Optical glass and optical element
JP6014301B2 (en) * 2010-06-24 2016-10-25 株式会社オハラ Optical glass, preform and optical element
DE102010042945A1 (en) * 2010-10-26 2012-04-26 Schott Ag Transparent laminates
US10343946B2 (en) 2010-10-26 2019-07-09 Schott Ag Highly refractive thin glasses
US10308545B2 (en) 2010-10-26 2019-06-04 Schott Ag Highly refractive thin glasses

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320031A7 (en) * 1975-07-31 1977-02-25 Sovirel High refractive index glass with low specific wt. - based on titanium alkali silicate
DE3216451C2 (en) * 1982-05-03 1984-04-19 Schott Glaswerke, 6500 Mainz Lightweight optical glass with a refractive index? 1.70, an Abbe number? 22 and a density &lE; 3.5 g / cm? 3?
JP2795326B2 (en) * 1991-04-05 1998-09-10 株式会社オハラ Optical glass
JPH05225812A (en) * 1992-02-12 1993-09-03 Tokin Corp Table lamp
JPH05316718A (en) * 1992-05-13 1993-11-26 Toshiba Corp Switching circuit
US5320985A (en) * 1992-10-01 1994-06-14 Kabushiki Kaisha Ohara Low refractive optical glass of a flint glass type
EP0645348B2 (en) * 1993-09-29 2003-01-15 Kabushiki Kaisha Ohara Optical glass

Also Published As

Publication number Publication date
JP4219994B2 (en) 2009-02-04
JPH09208250A (en) 1997-08-12
DE19603050C1 (en) 1997-03-13
FR2744114B1 (en) 1999-11-26
FR2744114A1 (en) 1997-08-01

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