Alcohol sensor using the work function measurement principle

US7553458B2 · kind B2 · utility

Assignee

• Micronas GmbH · DE

Inventors

• Maximillian Fleischer · Grevesmühlen, DE
• Hans Meixner · Haar, DE
• Tim Schwebel · Birkenfeld, DE
• Elfriede Simon · Munich, DE

Key dates

• Filing date: Mar 4, 2002
• Grant date: Jun 30, 2009
• Expiry date: Mar 24, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/25875
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An alcohol sensor having gas-sensitive layers made of polymers or inorganic oxides wherein a signal is read out by means of work function change which is produced in the form of a field-effect transistor.