Patent · US Active

Dielectric ceramic composition and dielectric device

US9530562B2 · kind B2 · utility

1Cited by
0References
2Claims
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Assignee

Inventors

Key dates

Filing dateFeb 4, 2014
Grant dateDec 27, 2016
Priority date
Expiry dateFeb 4, 2034

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01G4/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

To provide a dielectric ceramic composition having a high dielectric constant, i.e., 3,000 or more, at elevated temperatures at or above 150° C. and having a practically sufficient relative dielectric constant at an applied DC electric field of 2 V/μm, and to provide a dielectric device including such a dielectric ceramic composition, a dielectric ceramic composition is a composite oxide represented by formula (1):{[(BisNat)a(BiuKv)bBac]1-dNad}xTi1-dNbdO3  (1)where a, b, c, d, s, t, u, v, and x are numbers satisfying the following conditions:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.