<p>A linear motor actuator, wherein a track rail with a slider guide passage is formed in a channel shape and a table structure moving in the guide passage comprises a pair of sliders longitudinally moved in the guide passage and a connecting top board connecting these sliders to each other at a specified interval and having a movable body mounting surface formed thereon. An armature forming a linear motor is stored between the pair of sliders, the field magnet of the linear motor is disposed on the track rail oppositely to the guide passage, and the armature and the field magnet forming the linear motor are completely formed integrally with the table structure and the track rail forming the linear guide and completely stored in the linear guide.</p>
