Patent ID: 7517823
Filing Date: 2009-04-14
Classification: B32B,C04B,H01C,H01G

Abstract:
1. A dielectric porcelain composition, comprising, as a main component composition, a component represented by a composition formula {α(xBaO.yNd 2 O 3 .zTiO 2 )+β(2MgO.SiO 2 )} wherein x, y and z are indicative of a molar ratio of BaO, Nd 2 O 3 , and TiO 2 , are in ranges of and have a relation of x+y+z=100 (mol %); and α and β are indicative of a volume ratio of each component in said main component composition, are in ranges of and have a relation of α+β=100 (vol %), wherein a zinc oxide, a boron oxide and a copper oxide are present as subordinate components relative to said main component composition, and when said subordinate components are represented by aZnO, bB