Patent ID: 8097350

Claim:
A multilayer ceramic electronic component comprising at least one first glass ceramic layer which comprises a fired glass ceramic composition comprising a CaZrO 3 -based ceramic and a Li 2 O—MgO—ZnO—B 2 O 3 —SiO 2 -based glass, wherein the Li 2 O—MgO—ZnO—B 2 O 3 —SiO 2 -based glass is 1 to 12 percent by weight of the total composition, and in the glass, the content of Li 2 O is 3.5 to 15 percent by weight, the content of MgO is 20 to 50 percent by weight, the content of BaO is 0 to 25 percent by weight, the content of CaO is 0 to 10 percent by weight, the content of SrO is 0 to 25 percent by weight, the content of B 2 O 3 is 16 to 29 percent by weight, the content of SiO 2 is 11 to 35 percent by weight, the content of ZnO is 5 to 20 percent by weight, and the content of Al 2 O 3 is 0 to 15 percent by weight, and further comprising at least one second glass ceramic layer laminated together with the first glass ceramic layer, wherein the second glass ceramic layer is a fired second glass ceramic composition, and the second glass ceramic composition comprises: a first ceramic powder primarily composed of forsterite; a second ceramic powder composed of at least one member selected from the group consisting of a ceramic powder primarily composed of calcium titanate, a ceramic powder primarily composed of strontium titanate, and a ceramic powder primarily composed of titanium oxide; and 3 percent by weight or more of a borosilicate glass powder comprising 3 to 15 percent by weight of lithium in the form of Li 2 O, 20 to 50 percent by weight of magnesium in the form of MgO, 15 to 30 percent by weight of boron in the form of B 2 O 3 , 10 to 45 percent by weight of silicon in the form of SiO 2 , 6 to 20 percent by weight of zinc in the form of ZnO, 0 to 15 percent by weight of aluminum in the form of Al 2 O 3 , and at least one additive component selected from the group consisting of 2 to 15 percent by weight of calcium in the form of CaO, 2 to 15 percent by weight of barium in the form of BaO, and 2 to 15 percent by weight of strontium in the form of SrO.