TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Components: The one of the substrates is glass and the other substrate is ceramic. The glass frit is selected from EG2824, EG2824B, EG2824G, EG2760, S46/6; LF256, GL4317, BBS2, and EG0026. The glass frit comprises prior to firing: Bi2O3 (25-65 mol%); ZnO (3-60 mol%); B2O3 (4-65 mol%); at least one (0.1-15 mol%) selected from the group consisting of CuO, Fe2O3, CO2O3, Cr2O3; no intentionally added oxides of silicon; and no intentionally added oxides of aluminum. The glass panel is a smart glass panel.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The a lead-free and cadmium-free sealing glass composition, comprises, prior to firing: ZnO (5-65 mol%), SiO2 (10-65 mol%), B2O3+Al2O3 (5-55 mol%), at least one selected from (i) at least one (0.1-45 mol%) selected from Li2O, Na2O, K2O, and Cs2O, (ii) at least one (0.1-20 mol%) selected from MgO, CaO, BaO, and SrO, and (iii) at least one (0.1-40 mol%) selected from TeO2, Tl2O, V2O5, Ta2O5, and GeO2. The composition, comprises, prior to firing: Li2O+Na2O+K2O (5-55 mol%), TiO2 (2-26 mol%), B2O3+SiO2 (5-75 mol%), at least one (0.1-30 mol%) selected from V2O5, Sb2O5, and P2O5, at least one (0.1-20 mol%) selected from MgO, CaO, BaO, and SrO, at least one (0.1-40 mol%) selected from TeO2, Tl2O, Ta2O5, and GeO2, and F (0.1-20 mol%). Preferred Components: The microwave radiation has a frequency of 0.9-2.5 GHz, preferably 0.915 GHz. The microwave radiation provides a heat flux of 0.1-15 kW per square centimeter. The microwave radiation heats at least a portion of the substrates and paste at a rate of 0.1-10000 degrees C per second. The microwave radiation is provided in the form of a circular beam having a diameter of 3 millimeters to 10 centimeters. The microwave radiation is provided in the form of a beam having a cross section selected from circular, square, elliptical or split. The paste further comprises TiO2. The microwave coupling additive is selected from ferromagnetic metals, transition metals, iron, cobalt, nickel, gadolinium, dysprosium, MnBi alloy, MnSb alloy, MnAs alloy, CuO.Fe2O3, FeO, Fe2O3, Fe3O4, MgO.Fe2O3, MnO.Fe2O3, NiO.Fe2O3, Y3Fe5O12, iron oxide containing glasses, Fe2O3-glasses, SiC, CrO2, alkaline earth titanates, rhenium-titanates, rhenium-bismuth titanates, and rare earth titanates. The microwave coupling additive is selected rhenium titanate, and rhenium bismuth titanates. The paste further comprises a manganese-containing constituent selected from bismuth manganese pigments, perovskite manganites, Bi2Mn4O10, Bi12MnO20 and a bismuth-manganese pigment having a mole ratio of Bi2O3 to MnO2 of 5:1 to 1:5. The paste further comprises a Mn(II) additive, where the Mn(II) additive is selected from MnO, MnO-containing glasses, Mn(II) pigments, and perovskite manganites. The magnetic metallic glass wires are interspersed in the paste. The paste further comprises a microwave susceptor material, where the microwave susceptor material comprises SiC. The paste further comprises at least one selected from epoxy and organic-inorganic hybrid material, and where, with the proviso that the first substrate is glass, the second substrate is selected from glass, metal, and ceramic. EXAMPLE - No suitable example given.