Glass for encapsulation of screen-printed - thick-film capacitors

摘要

The glass comprises at least 45 wt.% of metal oxides with melting point above 1700 degrees C and 1-4 wt.% of oxides of sodium, potassium, and lead or their mixtures. Spec., the high m.p. oxides are a mixture of Al2O3 ZrO2 and SiO2, Al2O3 and ZrO2. amounting to at least 25 wt.%.