High-performance electroactive polymer transducers
First Claim
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1. A device comprising:
- an open frame; and
electroactive elastomer material secured within the frame and a region central to the elastomer material which form a diaphragm;
wherein the central region is less flexible than the elastomer material and wherein the elastomer material is stretched to a concave or convex shape and wherein the central region comprises a substantially rigid cap coupled to the frame by a spring.
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Abstract
Electroactive polymer constructions that convert electrical energy to mechanical energy and vice versa are disclosed. The subject transducers (actuators, generators, sensors or combinations thereof) share the requirement of a frame or fixture element used in preloading elastomeric film electrodes and dielectric polymer in a desired configuration. The structures are either integrally biased in a push-pull arrangement or preloaded/biased by another element.
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Citations
19 Claims
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1. A device comprising:
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an open frame; and electroactive elastomer material secured within the frame and a region central to the elastomer material which form a diaphragm; wherein the central region is less flexible than the elastomer material and wherein the elastomer material is stretched to a concave or convex shape and wherein the central region comprises a substantially rigid cap coupled to the frame by a spring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification