ELASTOMERIC MICRO ELECTRO MECHANICAL SYSTEMS

An electromechanical transducer having a substrate (4) bearing a plurality of elastomeric microstructures (5) with a microelectrode (6) on each microstructure. A power supply (11) is connected to the microelectrodes for controlled application to them of an electrical potential which alternately indu...

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Bibliographische Detailangaben
Hauptverfasser:	BOLLEMAN, BRENT J, WHITEHEAD, LORNE A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL GENERATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PHYSICS PUBLIC ADDRESS SYSTEMS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	An electromechanical transducer having a substrate (4) bearing a plurality of elastomeric microstructures (5) with a microelectrode (6) on each microstructure. A power supply (11) is connected to the microelectrodes for controlled application to them of an electrical potential which alternately induces forces of attraction between adjacent pairs of microelectrodes, causing controlled, time-varying displacement of the microelectrodes. Alternatively, a further plurality of microelectrodes (14), or one or more macroelectrodes (32), are elastomerically supported above the microelectrodes, with the power supply being connected to the macroelectrode(s) such that the electrical potential applied between the microelectrodes and macroelectrode(s) alternately induces forces of attraction between the microelectrodes and macroelectrode(s), causing controlled, time-varying displacement of the microelectrodes relative to the macroelectrode(s). The macroelectrode(s) can also be applied to a side of the substrate opposite the microstructures.