Magnetostrictive transducer

US5588466A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Gerhard Benz · Eppelheim, DE
• Gottfried Flik · Leonberg, DE
• Christoph Treutler · Wannweil, DE
• Heinz Friedrich · Friolzheim, DE

Key dates

• Filing date: Dec 20, 1994
• Grant date: Dec 31, 1996
• Expiry date: Dec 20, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/2224
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A magnetostrictive transducer wherein a magnetostrictive layer is applied to a flexible element, for example, a flexible beam. The flexible element is deflected by an external magnetic field. The thin magnetostrictive layer consists of Tb.sub.(1-x) Dy.sub.(x) Fe.sub.2.