Patent · US Expired

Plate-like alumina heater

US4785150A · kind A · utility

7Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 1985
Grant dateNov 15, 1988
Priority date
Expiry dateDec 6, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B3/283
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A heater comprising a sheet substrate formed of alumina and an electron-conductive pattern provided thereon and designed to generate heat, in which at least a portion of the electron-conductive pattern is provided thereon with an oxygen ion-conductive layer.

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