Polymer transducer and a connector for a transducer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-041/047
H01L-041/16
H02N-002/00
출원번호
US-0372942
(2012-02-14)
등록번호
US-8692442
(2014-04-08)
발명자
/ 주소
Poole, Alan David
Oubaek, Jakob
출원인 / 주소
Danfoss Polypower A/S
대리인 / 주소
McCormick, Paulding & Huber LLP
인용정보
피인용 횟수 :
2인용 특허 :
119
초록▼
The invention provides a transducer comprising conductors and a laminate. The laminate comprises a film of a dielectric polymer material arranged between first and second electrodes. Each electrode is in electrically conductive communication with at least one of the conductors to facilitate an elect
The invention provides a transducer comprising conductors and a laminate. The laminate comprises a film of a dielectric polymer material arranged between first and second electrodes. Each electrode is in electrically conductive communication with at least one of the conductors to facilitate an electrical potential between the electrodes and thereby enable deflection of the polymer material in response to an electrical field. At least one of the conductors is an elastically deformable conductor comprising a compliant core which is electrically conductive. The core is enclosed in a containment having elastomeric properties.
대표청구항▼
1. A transducer comprising conductors and a laminate, the laminate comprising a film of a dielectric polymer material arranged between first and second electrodes, and each electrode being in electrically conductive communication with at least one of the conductors to facilitate an electrical potent
1. A transducer comprising conductors and a laminate, the laminate comprising a film of a dielectric polymer material arranged between first and second electrodes, and each electrode being in electrically conductive communication with at least one of the conductors to facilitate an electrical potential between the electrodes and thereby enable deflection of the polymer material in response to an electrical field, wherein at least one of the conductors is an elastically deformable conductor comprising a compliant core which is electrically conductive, the core being enclosed in a containment having elastomeric properties, wherein the containment is electrically conductive. 2. The transducer according to claim 1, wherein the containment separates the compliant core from the electrode to enable conduction from the core through the containment to the electrode. 3. The transducer according to claim 2, wherein the laminate forms a roll with a body extending axially between two end faces. 4. The transducer according to claim 1, wherein the electrodes have anisotropic stretchability. 5. The transducer according to claim 3, wherein the laminate is rolled relative to the anisotropic stretchability such that an electrical field causes radial expansion or contraction of the roll. 6. The transducer according to claim 3, wherein the containment is formed about a contacted one of the end faces. 7. The transducer according claim 6, wherein one of the electrodes is formed to an edge of the film such that the electrode extends to the contacted one of the end faces. 8. The transducer according to claim 1, wherein the conductance, G (I/V), of the containment is in the range of 1-50 pct. of the conductance, G, of the compliant core. 9. The transducer according to claim 1, wherein the elastic elongation of the containment is in the range of 10-200 pct. of the elastic elongation of the film. 10. The transducer according to claim 1, wherein the containment and the film comprises an identical polymer material. 11. The transducer according to claim 1, wherein the compliant core comprises a metal which is liquid at room temperature. 12. The transducer according to claim 1, wherein the compliant core comprises a material selected from the group consisting of: aluminium, copper, nickel, silver, carbon, mercury, and combinations hereof. 13. The transducer according to claim 1, wherein the compliant core comprises an amorphous alloy. 14. The transducer according to claim 1, wherein the containment is tubular with an inner lumen extending in an axial direction. 15. The transducer according to claim 14, wherein the containment has a cross-section which changes along the axial direction. 16. The transducer according to claim 14, wherein the containment has a non-circular cross-section perpendicular to the axial direction. 17. The transducer according to claim 1, wherein the containment forms a plurality of compartments, each compartment enclosing a compliant core. 18. The transducer according to claim 17, wherein each compliant core is in electrical communication with adjacent compliant core by the conductivity of the containment. 19. The transducer according to claim 1, wherein the containment contains only the compliant core. 20. The transducer according to claim 1, wherein the compliant core comprises an incompressible medium. 21. The transducer according to claim 1, wherein at least one of the conductors is in electrically conductive communication with one of the electrodes substantially along a compliant direction to enable deflection of the polymer material in response to an electrical field. 22. The transducer according to claim 21, wherein the laminate is rolled along the compliant direction to form a roll such that an electrical field causes radial expansion or contraction of the roll. 23. The transducer according to claim 1, wherein the conductor comprises a transition zone which is less elastically deformable than a primary portion of the conductor.
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