Patent ID: 6395663
Filing Date: 2002-05-28
Classification: C04B

Abstract:
A dielectric ceramic material comprising:a mixture represented by the formula of Bi2âˆ’x (Zn 2/3Nb4/3)O7âˆ’3x/2(BZN), 0&lE;x&gE;0.67; and an eutectic flux being one of BaCO3â€”2.5CuO and 0.15CuOâ€”0.85MoO3 for lowering the sintering temperature of said mixture from 950Ëœ1100Â° C. to 800Ëœ850Â° C.; wherein said dielectric material has a dielectric constant larger than 45 (âˆˆ>45) and a quality factor larger than 1200 (Q f>4500) at 3.5 GHz.