Piezoelectric component and method for the manufacture thereof

US6232701A · kind A · utility

Assignees

• Siemens Aktiengesellschaft · DE
• EPCOS AG · DE

Inventors

• Carsten Schuh · Baldham, DE
• Karl Lubitz · Ottobrunn, DE
• Dieter Cramer · Graz, AT

Key dates

• Filing date: Dec 22, 1999
• Grant date: May 15, 2001
• Expiry date: Dec 22, 2019

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10N30/505

Abstract

A piezoelectric component in the form an actuator having a monolithic multi-layer stack is disclosed. The stack comprises a large active cross sectional area and simultaneously exhibits high arc-over resistance between neighboring electrodes of different polarity. For manufacture, only the surface of the stack via which an electrical contacting of the electrode layers ensues is ground after the sintering of a stack composed of piezo ceramic layers and electrode layers arranged on top of one another.