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Prestrained Thin-Film Shape Memory Actuators Offer Rapid, Strong Response

IntroductionPrior use of thin films of SMA materials has been confined to the deposition of films onto rigid substrates such as silicon, limiting their use to planar elements which are not amenable to the pre-straining required to obtain maximum shape memory strain recovery. Prior SMA cyclic actuator systems using wires, springs or sheets require users...
Published: 9/24/2010   |   Inventor(s): David Grummon
Keywords(s): Polymer Film, Rapid Response, Shape Memory Actuator, Shape Memory Alloy, Thin Films Category(s): Electrical, Materials