Patent · US Expired

Cobalt ruthenate thermistors

US6066271A · kind A · utility

4Cited by
5References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 5, 1997
Grant dateMay 23, 2000
Priority date
Expiry dateSep 5, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01C17/0654
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Composition of matter of cobalt ruthenate compounds and glass, wherein said compounds have the formula Co.sub.3-x Ru.sub.x-y M.sub.y O.sub.4 wherein: M is a metal selected from among Mn, Fe, Cu, Zn and Al; and x and y are numbers in the range between 0 and 2, inclusive, and thick film paste compositions comprising said compounds are provided. Novel cobalt ruthenate compounds, process for preparing such compounds and uses thereof are also provided.

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