Heat conductor, especially for a sensor, and method for producing such a heat conductor

US6620707B1 · kind B1 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Detlef Heimann · Gerlingen, DE
• Bernd Reinsch · Ludwigsburg, DE
• Alexander Bischoff · Eberdingen, DE
• Juergen Werner · Bruckmühl, DE
• Lothar Diehl · Stuttgart, DE

Key dates

• Filing date: Sep 5, 2001
• Grant date: Sep 16, 2003
• Expiry date: Sep 5, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H05B3/12
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A heating conductor, in particular for a sensor for determining at least one gas component in the exhaust gases of internal combustion engines. The heating conductor formed from a cermet which contains platinum, at least one metal oxide, and at least two further precious metals. A method for manufacturing the heating conductor by applying a paste containing a platinum powder, a metal oxide powder, and at least two further precious metals, to a ceramic foil and sintering the paste and ceramic foil combination.