Patent · US Expired

Dielectric ceramic composition for high frequency wave

US6660674B2 · kind B2 · utility

1Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2001
Grant dateDec 9, 2003
Priority date
Expiry dateApr 27, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/478
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A dielectric ceramic composition for high frequency wave having a composition comprising Al, Zr, Ti, Sn and O as a basic composition and represented by compositional formula:aAl2O3-bZrO2-cTiO2-dSnO2 (in which 0.4068<a<0.9550, 0<b<0.1483, 0.0225<c<0.3263, 0.0203<d<0.1186, a+b+c+d=1).

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