====== Microrobot Actuators ====== ===== Inchworm Motors ===== See the [[inchworm_motor|inchworm motor page]]. ===== Springs ===== See [[springs|springs]]. ===== Gap-Closing Actuators ===== Basic MEMS structure. ===== Comb Drive ===== Basic MEMS structure. ===== Piezoelectrics ===== ===== Shape Memory Alloy ===== ===== External Actuation ===== Magnetic field, optical tweezers.