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US 2001/0034293 A1Published application
Alkali-free aluminoborosilicate glass, and uses thereof
AssigneeSchott Glas
InventorsUlrich Peuchert, Peter Brix
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AssigneeSchott Glas
InventorsUlrich Peuchert, Peter Brix
Estimating the term…
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.8×10−6/K, which has the following composition (in % by weight, based on oxide): silicon dioxide (SiO2)>58−65, boric oxide (B2O3)>6−11.5, magnesium oxide (MgO) 4−8, barium oxide (BaO) 0−<0.5, zinc oxide (ZnO) 0−2 and aluminum oxide (Al2O3)>14−25, calcium oxide (CaO) 0−8, strontium oxide (SrO) 2.6−<4, with barium oxide (BaO)+strontium oxide (SrO) >3, or aluminum oxide (Al2O3)>14−25, calcium oxide (CaO) 0−<2, strontium oxide (SrO)>0.5−<4, or aluminum oxide (Al2O3)>21−25, calcium oxide (CaO) 0−8, strontium oxide (SrO)>2.6−<8, with barium oxide (BaO)−strontium oxide (SrO)>3, and which is highly suitable for use as a substrate glass both in display technology and in thin-film photovoltaics.
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.8×10−6/K, which has the following composition (in % by weight, based on oxide):
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.4×10−6/K, which has the following composition (in % by weight, based on oxide):
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.6×10−6/K, which has the following composition (in % by weight, based on oxide):
Dependencies are inferred from the claim text.