Patent ID: 7241712

Claim:
A low-temperature sintered barium titanate microwave dielectric ceramic material comprising: a host matrix Ba x Ti y M z O x+2y+k , where x is 1˜6, y is 1˜17, z is 0˜1, k is 0˜3, M is an element selected from an alkali metal, an alkaline-earth metal, a transition group or a rare earth group, characterized in that a low melting glass matrix containing 20˜35 wt % BaO, 10˜30 wt % B 2 O 3 , 10˜30 wt % SiO 2 , 15˜30 wt % ZnO, 15˜20 wt % Li 2 O and 15˜25 wt % CuO is added to said host matrix.