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US07157392B2 Alkali-free aluminoborosilicate glasses, and uses thereof 有权
无碱铝硅玻璃及其用途

Alkali-free aluminoborosilicate glasses, and uses thereof
摘要:
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– 14–25, calcium oxide (CaO) 0–8, strontium oxide (SrO) 2.6– 3, or aluminum oxide (Al2O3)>14–25, calcium oxide (CaO) 0– 0.5– 21–25, calcium oxide (CaO) 0–8, strontium oxide (SrO)>2.6– 3, and which is highly suitable for use as a substrate glass both in display technology and in thin-film photovoltaics.
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