Patent · US Expired

Ceramic compositions and devices

US4638401A · kind A · utility

6Cited by
7References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 10, 1986
Grant dateJan 20, 1987
Priority date
Expiry dateJan 10, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/435
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A novel low sintering temperature ceramic composition particularly suitable for multilayer ceramic capacitors is disclosed. The composition comprises a mixture represented by the formula EQU (1-x)Bi.sub.2 (ZnNb.sub.2(1+d))yO.sub.3+6y+5dy (x)Bi.sub.3 (Ni.sub.2 Nb)O.sub.9 where 0<x<1, 0.6.ltoreq.y.ltoreq.1.1 and -0.05.ltoreq.d.ltoreq.0.05.

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