Alkali-free aluminoborosilicate glasses and uses thereof

Details Alkali-free aluminoborosilicate glasses and uses thereof Alkali-free aluminoborosilicate glasses and uses thereof

2006-12-26

2006-12-26

Lorengo, J. A. (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S065000, C501S067000

Reexamination Certificate

active

07153797

ABSTRACT:
The invention relates to an alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300of between 2.8 and 3.9·10−6/K, which has the following composition (in % by weight, based on oxide) : SiO2>58–65, B2O3>6–11.5; Al2O3>14–20, MgO>3–6, CaO>4.5–10, SrO 0–<1.5, BaO>1.5–6, or SrO 0–<4, BaO>2.5–6, respectively, with SrO+BaO>3, ZnO 0–<2, and which is highly suitable for use as a substrate glass both in display technology and in thin-film photovoltaics.

REFERENCES:
patent: 6858552 (2005-02-01), Peuchert

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