| 摘要 |
A partially devitrified porcelain enamel composition is formed by melting an oxide mixture in which 20-50 wt % BaO, 30-60 wt % SiO2, and 2-20 wt % TiO2 are present to form a homogeneous melt, quenching the melt to form a frit and firing the frit. The oxide mixture may optionally include K2O, Na2O, Li2O, Al2O3, B2O3, As2O3, CaO, CeO2, MgO, F2, N2O5, PbO, P2O5, Sb2O3, SnO2, SrO, ZnO, ZrO2, and MoO3. Metal substrates coated with such a partially devitrified porcelain enamel composition are particularly suitable for the production of electronic circuits. |
