Patent ID: 7297650
Filing Date: 2007-11-20
Classification: B32B,C04B,H01G,H01P,H01Q,Y10T

Abstract:
1. A tape cast, low-loss, tunable ceramic composite layer having improved breakdown strength, the material comprising a sintered mixture of at least one tunable ceramic material and at least one additional ceramic material, wherein the at least one additional ceramic material comprises from about 3 to about 65 weight percent of the tape cast layer and comprises a silicate of at least one metal selected from Be, Mg, Ca, Sr, Ba, Ra, Li, Na, K, Rb, Cs, Al, Zr, Zn, Fr, B, Fe, Mn, Cu, Ce, Cr, La, Y, Ti, Ta, Nb, Mo, W, Ni, Pd, Pb and Bi.