Patent ID: 6599851
Filing Date: 2003-07-29
Classification: C03C,H01J

Abstract:
A composition of a dielectric for a plasma display panel comprising:a parent glass powder containing 20Ëœ40 wt % of ZnO, 15Ëœ30 wt % of SiO2, 10Ëœ20 wt % of B2O3, at most 30 wt % of PbO, at most 20 wt % of MgO, 1Ëœ10 wt % of CaO, 1Ëœ10 wt % of Al2O3, 0Ëœ10 wt % of K2O, 0Ëœ8 wt % of Na2O, 0Ëœ5 wt % of Li2O, 0Ëœ2 wt % of Sb2O3, and 0Ëœ2 wt % of As2O3; and an oxide filler mixed with the parent glass powder to drop sintering temperature of the composition, wherein the oxide filler includes at least one material selected from the group consisting of Mg2Al4Si5O18, 2MgOSiO2, Zn2SiO4, PbTiO2, quartz, Al2O3, TiO2, ZrO2, MgOAl2O3, 3Al2O3 (2SiO2), MgTiO3, Zn2SiO4, LiAl (SiO4) and BPO4, wherein the parent glass powder contains PbO, MgO, and CaO and the sum of the ingredients of PbO, MgO, and CaO is below 40 wt % and the sum of the ingredients of Li2O, K2O, and Na2O is below 10 wt %.