- #7402264, July 22, 2008, Sensing/actuating materials made from carbon nanotube polymer composites and methods for making
An electroactive sensing or actuating material comprises a composite made from a polymer with polarizable moieties and an effective amount of carbon nanotubes incorporated in the polymer for a predetermined electomechanical operation of the composite... - #7015624, March 21, 2006, Non-uniform thickness electroactive device
An electroactive device comprises at least two layers of material, wherein at least one layer is an electroactive material and wherein at least one layer is of non-uniform thickness... - #6867533, March 15, 2005, Membrane tension control
An electrostrictive polymer actuator comprises an electrostrictive polymer with a tailorable Poisson's ratio. The electrostrictive polymer is electroded on its upper and lower surfaces and bonded to an upper material layer... - #6724130, April 20, 2004, Membrane position control
A membrane structure includes at least one electroactive bending actuator fixed to a supporting base. Each electroactive bending actuator is operatively connected to the membrane for controlling membrane position... - #6689288, February 10, 2004, Polymeric blends for sensor and actuation dual functionality
The invention described herein supplies a new class of electroactive polymeric blend materials which offer both sensing and actuation dual functionality. The blend comprises two components, one component having a sensing capability and the other component having an actuating capability... - #6545391, April 8, 2003, Polymer-polymer bilayer actuator
A device for providing an electromechanical response includes two polymeric webs bonded to each other along their lengths... - #6515077, February 4, 2003, Electrostrictive graft elastomers
An electrostrictive graft elastomer has a backbone molecule which is a non-crystallizable, flexible macromolecular chain and a grafted polymer forming polar graft moieties with backbone molecules. The polar graft moieties have been rotated by an applied electric field... - #6734603, May 11, 2004. Thin layer composite unimorph ferroelectric driver and sensor
A method for forming ferroelectric wafers is provided. A prestress layer is placed on the desired mold. A ferroelectric wafer is placed on top of the prestress layer. The layers are heated and then cooled, causing the ferroelectric wafer to become prestressed... - #6379809, April 30, 2002, Thermally stable, piezoelectric and pyroelectric polymeric substrates and method relating theret
A thermally stable, piezoelectric and pyroelectric polymeric substrate was prepared. This thermally stable, piezoelectric and pyroelectric polymeric substrate may be used to prepare electromechanical transducers, thermomechanical transducers, accelerometers, acoustic sensors... - #5909905, June 8, 1999, Method of making thermally stable, piezoelectric and proelectric polymeric substrates
A thermally stable, piezoelectric and pyroelectric polymeric substrate was prepared. This thermally stable, piezoelectric and pyroelectric polymeric substrate may be used to prepare electromechanical transducers, thermomechanical transducers, accelerometers, acoustic sensors, infrared... - #5891581, April 6, 1999, Thermally stable, piezoelectric and pyroelectric polymeric substrates
A thermally stable, piezoelectric and pyroelectric polymeric substrate was prepared. This thermally stable, piezoelectric and pyroelectric polymeric substrate may be used to prepare electromechanical transducers, thermomechanical transducers, accelerometers, acoustic sensors, infrared..
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