A practical microgripper by fine alignment, eutectic bonding and SMA actuation
1996
Abstract A microgripper with a large gripping force, a relatively rigid structural body, and flexibility in functional design is presented. The actuation is generated by NiTiCu shape memory alloy (SMA) films and the stress induced can deflect each side of the microgripper up to 55 μm for a total gripping motion of 110 μm. When fully open, the force exerted by the film corresponds to a 13 mN gripping force on the tip of the gripper.
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