Patent · US Expired

Solid state sensor

US4203199A · kind A · utility

4Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 2, 1978
Grant dateMay 20, 1980
Priority date
Expiry dateOct 2, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49089
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method of manufacturing a solid state sensor wherein a reactive compound of an alkali metal is tightly packed between a central electrode and a surrounding ion shield. A heating coil is wound about the outside of the shield. The ion shield is formed of a material that is deplete in ions of alkali metal and serves as a ion depletion boundry in the system.

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