Patent Number: 7,045,933

Title: Flat actuator or sensor with internal prestress

Abstract: A flat multilayered component for use as an actuator or a sensor, is described. The flat multilayered component contains a layer of electrically activatable material, a passive middle layer disposed adjacent the layer of electrically activatable material, and a further passive material layer disposed adjacent the passive middle layer. The passive middle layer has a higher coefficient of linear thermal expansion than both of the layer of electrically activatable material and the further passive middle layer.

Inventors: Dollgast; Bernhard (Erlangen, DE)

Assignee: Caterpillar Inc

International Classification: H01L 41/08 (20060101)

Expiration Date: 5/16/02018