A substrate for flat panel display glasses comprising a glass the P2O5—SiO2—Al2O3 ternary system which yields stable glasses exhibiting high strain point temperatures, resistance to devitrification, good chemical durability, excellent dielectric properties, coefficients of thermal expansion that can be tailored to match that of silicon, and having liquidus viscosities that enable forming by conventional methods. The glass comprises the following composition as calculated in weight percent on an oxide basis: P2O5 33–75%, SiO2 2–52%, Al2O3 8–35%.
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机译：用于平板显示玻璃的基板，其包括玻璃P 2 O 5 -SiO 2 -Al 2 O 3 三元体系，可产生稳定的玻璃，该玻璃具有较高的应变点温度，耐失透性，良好的化学耐久性，优异的介电性能，可定制以与硅相匹配的热膨胀系数以及液相线粘度可以通过常规方法成型。该玻璃包含以下成分，按氧化物的重量百分比计算：P 2 O 5 33-75％，SiO 2 2- 52％，Al 2 O 3 8–35％。
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