Piezo actuator comprising a structured external electrode

US7268471B2 · kind B2 · utility

Assignee

• EPCOS AG · DE

Inventor

• Steffen Riemer · Stainz, AT

Key dates

• Filing date: Jan 20, 2003
• Grant date: Sep 11, 2007
• Expiry date: Jun 8, 2023

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10N30/877

Abstract

An electrical component includes a base having ceramic layers and internal electrodes between at least some of the ceramic layers. The electrical component also includes an external electrode on a face of the base, which contacts at least some of the internal electrodes. The external electrode includes a layer having at least one local minimum.