Patent · US Active

Dielectric ceramic composition and electronic device

US8921248B2 · kind B2 · utility

7Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2013
Grant dateDec 30, 2014
Priority date
Expiry dateFeb 27, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/9615
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Dielectric ceramic composition comprising a compound shown by a general formula {A1-x(RE)2x/3}y-B2O5+y and has a tungsten bronze-type structure. In the formula, “A” is at least one selected from a group comprising Ba, Ca, Sr and Mg, “B” is at least one selected from Nb and Ta, “RE” is at least one selected from Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and said “x” and “y” satisfies 0<x<1 and y<1.000, respectively. The dielectric ceramic composition further comprises an oxide of at least one selected from V, Mo, Fe, W, Mn and Cr.

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