disc 10 thus the first stage of the dual stage actuation system comprises the motor driven suspension arm 12 and the second stage comprises the fine adjustment achieved via the microactuator 16 the microactuator 16 see fig3 and 4 comprises a first or stationary part 22 for attachment to the flexure 14 and a second or movable part 24 to which the slider 18 is attachable the first and second parts 22 24 are coupled together at a coupling 26 such that the second part 24 is movable relative to the first part 22 stationary part 22 has a body 28 of a u201c greek cross u201d shape in plan view from which extend elongate portions 30 in the nature of fingers which are formed to provide comb electrodes movable part 24 is also formed to have elongate portions 32 which extend inwardly from opposite edges 34 thereof and which are also formed to provide comb electrodes the elongate portions 30 of stationary part 22 are interdigitated with the elongate portions 32 of movable part 24 and the comb electrodes of the elongate portions 30 and 32 are also interdigitated such that a capacitative comb drive electrode arrangement is provided two pairs of electric connection pads 36 38 are formed on the opposite edges.