| 摘要 |
A silicate glass that is tough and scratch resistant. The toughness is increased by minimizing the number of non-bridging oxygen atoms in the glass. In one embodiment, the silicate glass is an aluminoborosilicate glass in which−15 mol %≰(R2O+R′O—Al2O3—ZrO2)—B2O3≰4 mol %, where R is one of Li, Na, K, Rb, and Cs, and R′is one of Mg, Ca, Sr, and Ba.
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