Patent · US Expired

Polymer-type humidity sensor

US6806722B2 · kind B2 · utility

27Cited by
9References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 2001
Grant dateOct 19, 2004
Priority date
Expiry dateDec 7, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N27/225
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A polymer-type humidity sensor for use in a microwave oven and which has a polymer structure which includes a rubber and a predetermined amount of carbon, and a pair of electric terminals connected to the polymer structure. The polymer-type humidity sensor of the present invention has a rapid response time, durability, excellent adherence to terminals, low hysteresis, and exhibits stability to exposures of high temperatures and high relative humidity.

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