Dielectric composite and a method of manufacturing a dielectric composite
First Claim
Patent Images
1. A composite comprising:
- a film made of a dielectric material and having a first surface and second surface, at least the first surface comprising a surface pattern of raised and depressed surface portions, anda first electrically conductive layer being deposited onto the surface pattern, the electrically conductive layer having a corrugated shape which is formed by the surface pattern of the film,wherein the raised and depressed surface portions have a shape and/or size which varies periodically along at least one direction of the first surface.
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Abstract
A composite for a transducer facilitates an increased actuation force as compared to similar prior art composites for transducers. The composite facilitates increased compliance of the transducer in one direction, an improved reaction time as compared to similar prior art composites for transducers, and provides an increased lifetime of the transducer in which it is applied.
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Citations
64 Claims
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1. A composite comprising:
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a film made of a dielectric material and having a first surface and second surface, at least the first surface comprising a surface pattern of raised and depressed surface portions, and a first electrically conductive layer being deposited onto the surface pattern, the electrically conductive layer having a corrugated shape which is formed by the surface pattern of the film, wherein the raised and depressed surface portions have a shape and/or size which varies periodically along at least one direction of the first surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 63)
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36. A multilayer composite comprising at least two layers of composite, each composite layer comprising:
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a film made of a dielectric material and having a front surface and rear surface, the front surface comprising a surface pattern of raised and depressed surface portions, and a first electrically conductive layer being deposited onto the surface pattern, the electrically conductive layer having a corrugated shape which is formed by the surface pattern of the film. - View Dependent Claims (37, 38, 39, 40, 41, 42, 64)
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43. A method of making a polymeric composite, the method comprising:
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providing a shape defining element having a surface pattern of raised and depressed surface portions, providing a liquid polymer composition onto the surface pattern, curing the liquid polymer to form a polymeric film having a surface with a replicated pattern of raised and depressed surface portions in such a manner that the raised and depressed surface portions obtain a shape and/or size which varies periodically along at least one direction of the surface, and depositing a first electrically conductive layer onto the replicated surface pattern so that the electrically conductive layer is shaped by the replicated pattern. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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Specification