A low-temperature baking dielectric ceramic composition and method of manufacturing the same

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A dielectric material comprising : a composition represented by aBaO·bTiO 2 ·cREO 3/2 ·dBiO 3/2 , wherein a, b, c and d each independently represent a molar ratio satisfying the following requirements : a+b+c+d=1, 0.09‰¤a‰¤0.16, 0.54‰¤b‰¤0.62, 0.20‰¤c‰¤0.34 and 0‰¤d‰¤0.10; and RE represents a rare earth metal; and from 5 to 50 parts by mass, per 100 parts by mass of the composition, of a glass containing a component represented by kBaO·lZnO·mB 2 O 3 ·nSiO 2 , wherein k, l, m and n each independently represent a composition percentage satisfying the following requirements : k+l+m+n=100, 25‰¤k‰¤55, 5‰¤l‰¤30, 15‰¤m‰¤35 and 5‰¤n‰¤30.