Layout of the reprogrammable origami-inspired microactuator system consisting of a centrally located polymer tile and three movable polymer tiles. (IMAGE)
Caption
Layout of the reprogrammable origami-inspired microactuator system consisting of a centrally located polymer tile and three movable polymer tiles. The tiles are interconnected with protagonist and antagonist SMA microactuators that can be controlled via SMA conduction lines forming two separate electrical circuits. The antagonist microactuators are interconnected in addition with SMA meander structures on each tile for indirect heating of soft-magnetic pads located above. This enables controlling the magnetic latching forces between the pads and an external miniature magnet. a Initial flat configuration, b close-up of protagonist and antagonist microactuators with double-beam layout, c pyramid configuration obtained by Joule heating the protagonist microactuators, d table configuration obtained by Joule heating the antagonist microactuators.
Credit
Microsystems & Nanoengineering
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