Patent ID: 6348424
Filing Date: 2002-02-19
Classification: C03B,C03C,H05K

Abstract:
A low-temperature calcined glass ceramic which is an SiOâ€”2â€”CaOâ€”Al2O3 glass consisting of an oxide-converted composition of 10 to 45 wt % of SiO2, 20 to 50 wt % of CaO, 20 to 45 wt % of Al2O3, 0.1 to 5 wt % of MgO, 0.1 to 5 wt % of SrO, 0.1 to 5 wt % of BaO, 0.1 to 5 wt % of TiO2, 0.1 to 5 wt % of ZnO, 0.1 to 5 wt % of ZrO2 and 0 to 3 wt % of a group 1A element oxide; and is densified during calcination at 800 to 1000Â° C.