Patent · US Expired

Electrically conductive ceramic material

US4645622A · kind A · utility

30Cited by
4References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 4, 1985
Grant dateFeb 24, 1987
Priority date
Expiry dateDec 4, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Electrically conductive ceramic having the composition La.sub.x Ca.sub.y MnO.sub.3+.DELTA. characterized by x= 0.44 to 0.48, Y= 0.42 to 0.50 and the sum of the mol numbers of La and Ca is between 1 to 15% (preferably about 10%) smaller than the mol number of Mn.

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