Dielectric composition for high frequencies

Details Dielectric composition for high frequencies Dielectric composition for high frequencies

1996-11-08

1998-03-03

Jones, Deborah

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501 32, 501136, C03C 1400, C04B 35495

Patent

active

057233969

ABSTRACT:
A dielectric composition for high frequencies, which comprises a ceramic component comprising Sr.sub.x (Ni.sub.1/3 Nb.sub.2/3).sub.y O.sub.3 (x/y=0.96-1.06), a ceramic component comprising Sr.sub.x (Ni.sub.1/3 Nb.sub.2/3).sub.y O.sub.3 (x/y=0.96-1.06) as the main constituent and one or more minor constituents which are selected from the group consisting of TiO.sub.2, SrTiO.sub.3 and CaTiO.sub.3 (TiO.sub.2 .ltoreq.25% by mole, SrTiO.sub.3 .ltoreq.6.5% by mole, and CaTiO.sub.3 .ltoreq.13.3% by mole), or a ceramic component comprising Sr.sub.x (Ni.sub.1/3 Nb.sub.2/3).sub.y O.sub.3 (x/y=0.96-1.06) and Ba(M.sup.II.sub.1/3 M.sup.v.sub.2/3)O.sub.3 (M.sup.II is Ni, Mg or Zn, and M.sup.v is Nb or Ta, provided that M.sup.II =Ni, Mg or zn when M.sup.v =Nb, and M.sup.II =Mg or Zn when M.sup.v =Ta) , and 0.1-50% by weight of glass added to the ceramic component.

REFERENCES:
patent: 4585745 (1986-04-01), Tunooka et al.
patent: 4745093 (1988-05-01), Okawa et al.
patent: 4897374 (1990-01-01), Matsumoto et al.
patent: 5073528 (1991-12-01), Matsumoto et al.

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