Title:
HIGH-REFRACTIVE-INDEX GLASS
Document Type and Number:
WIPO Patent Application WO/2012/077708
Kind Code:
A1
Abstract:
A high-refractive-index glass characterized by containing SiO2 + Al2O3 + B2O3 in an amount of 0.1-60 mass% as a glass composition, having a (BaO + La2O3 + Nb2O5 + TiO2 + ZrO2)/(SiO2 + Al2O3 + B2O3) ratio of 0.1-50 by mass, a (MgO + CaO + SrO + BaO)/(BaO + La2O3 + Nb2O5 + TiO2 + ZrO2) ratio of 0-10 by mass and a (TiO2 + ZrO2)/(BaO + La2O3 + Nb2O5) ratio of 0.001-40 by mass and having a refractive index (nd) of 1.55-2.3.
Inventors:
YANASE TOMOKI (JP)
MURATA TAKASHI (JP)
MURATA TAKASHI (JP)
Application Number:
PCT/JP2011/078292
Publication Date:
June 14, 2012
Filing Date:
December 07, 2011
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
YANASE TOMOKI (JP)
MURATA TAKASHI (JP)
YANASE TOMOKI (JP)
MURATA TAKASHI (JP)
International Classes:
C03C3/062; C03C3/087; C03C3/095; C03C3/097; H01L31/04; H01L51/50; H05B33/02
Foreign References:
| JPS5950048A | 1984-03-22 | |||
| JPH09255355A | 1997-09-30 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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Claims:
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