| 摘要 |
A method for manufacturing the insulating layers of a glass multilayer wiring board from a mixture of (1) 30-90 wt. % of a borosilicate glass consisting of 55-75 wt. % of SiO2, 13-25 wt. % of B2O3, 5-13 wt. % of Al2O3, each 1-5 wt. % of PbO, MgO, and BaO, and each 1-2 wt. % of Na2O and K2O and (2) 70-10 wt. % of a silica glass, is provided. |
