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US 5,588,466 AGranted
Magnetostrictive transducer
AssigneeRobert Bosch GmbH
InventorsGerhard Benz, Gottfried Flik, Christoph Treutler, Heinz Friedrich
Life of this patent
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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.
Claims17
A magnetostrictive transducer comprising:
- means for producing a magnetic field;
- and
- a drive including a first thin layer of magnetostrictive material arranged on a flexible element in the magnetic field, the first thin layer being composed of Tb.sub.(1-x) Dy.sub.(x) Fe.sub.2 (0<x<1) and being deposited from a metal vapor.
Dependencies are inferred from the claim text.