Patent · US Expired

Gas sensor

US5840255A · kind A · utility

8Cited by

4References

19Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Andreas Kappel · Höhenkirchen-Siegertsbrunn, DE
Randolf Mock · Munich, DE
Hans Meixner · Haar, DE

Key dates

Filing date	Dec 30, 1996
Grant date	Nov 24, 1998
Priority date	—
Expiry date	Dec 30, 2016

Classification

Technology area (CPC G)Physics
CPC primaryG01N27/12
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In order to avoid measurement signal drift, a gas sensor has a gas sensitive layer which is provided on its upper side with a measuring electrode structure and on its lower side with an electrically conductive layer.

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