Piezoelectric actuator with a new type of contacting and a method for the production thereof

US6236146A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Dieter Cramer · Graz, AT
• Hans-Martin Hellebrand · Hersbruck, DE
• Karl Lubitz · Ottobrunn, DE
• Andreas Wolff · Munich, DE
• Christoph Hamann · Tauberbischofsheim, DE
• Clemens Scherer · Gilching, DE

Key dates

• Filing date: Mar 11, 1999
• Grant date: May 22, 2001
• Expiry date: Mar 11, 2019

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10N30/875

Abstract

A piezoelectric actuator, and method of producing same, wherein electrically conductive contact tabs are applied onto metallization strips in such a way that a projecting region remains, so that in the event of cracks nevertheless occurring, such cracks run in the projecting region of the contact tab and are bridged electrically.