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22 March 2006 An MRI-compatible tactile display device based on IPN-CP pastille-shaped actuators
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This paper discusses the design and the realization of a prototype magnetic resonance imaging (MRI)-compatible tactile display device based on interpenetrated networks of conductive polymer actuators shaped into a pastille form. The electro-active polymers are investigated as an alternative solution to conceive tactile displays dedicated to fMRI studies. The tactile display is a 3×3 matrix- arranged pin; each pin is actuated independently and linked with the pastille-shaped IPN-CP actuator through a unilateral contact without intermediary motion or force amplification mechanism. All the technical aspects are discussed and presented.
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Johann Citérin and Abderrahmane Kheddar "An MRI-compatible tactile display device based on IPN-CP pastille-shaped actuators", Proc. SPIE 6168, Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices (EAPAD), 61681C (22 March 2006);

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