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Title:
ALKALINE-EARTH ALUMINOSILICATE GLASS AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO2003064339
Kind Code:
A3
Abstract:
The invention relates to an alkaline-earth aluminosilicate glass with the following composition (in wt. %, based on oxide content): SiO2 > 58 - 62; B2O3 0 5.5; Al2O3 13.5 17.5; MgO 0 - 7; CaO 5.5 - 14; SrO 0 - 8, BaO 6 - 14; ZrO2 0 - 2; CeO2 0.001 0.5; TiO2 0.01 - 2. The glass is particularly suitable for use as a bulb material for halogen light bulbs.

Inventors:
FECHNER JOERG HINRICH (DE)
BRIX PETER (DE)
OTT FRANZ (DE)
Application Number:
PCT/EP2003/000883
Publication Date:
January 15, 2004
Filing Date:
January 29, 2003
Export Citation:
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Assignee:
SCHOTT GLAS (DE)
ZEISS STIFTUNG (DE)
FECHNER JOERG HINRICH (DE)
BRIX PETER (DE)
OTT FRANZ (DE)
International Classes:
C03C3/095; C03C4/10; H01J17/00; H01J61/00; H01K1/28; H01K1/32; (IPC1-7): C03C3/095; H01J17/00; H01J61/00; H01K1/28
Domestic Patent References:
WO2001085632A12001-11-15
Foreign References:
US6069100A2000-05-30
DE19747355C11999-06-24
DE19758481C11999-06-17
DE19851927A12000-05-18
DE10006305A12001-08-23
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