发明授权
US07452607B2 Glass for covering electrode 失效
玻璃覆盖电极

Glass for covering electrode
摘要:
Provided is a nonlead glass for covering an electrode, which comprises, in mol %, B2O3 15-65%, SiO2 2-38%, MgO 2-30%, MgO+CaO+SrO+BaO 5-45%, Li2O 1-15%, Li2O+Na2O+K2O 2-25% and others, and which comprises ZnO 0-15%. Provided is a nonlead glass for covering an electrode, which comprises, in mol %, B2O3 25-65%, SiO2 2-38%, MgO 2-30%, MgO+CaO+SrO+BaO 5-45%, Li2O+Na2O+K2O 2-25%, Al2O3 0-30, TiO 0-10% and ZnO 0-15%.
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