分别考察氟和磷对SiO2-Al2O3-B2O3系统玻璃介电性能的影响.结果表明:随着氟含量的升高,玻璃介电常数和介质损耗均有所下降,但当氟含量超过3.8%时,变化不再明显;随着P2O5含量的增加,介电常数呈逐步降低的趋势,但降低幅度不大,当P2O5含量在4.5%时介电常数降到最低,而介质损耗则出现先下降后上升的趋势.随着氟、磷含量的增加,玻璃失透温度范围均增大.
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