As a radiation imaging apparatus of the present invention, in the embodiment has been described taking as an example the X-ray inspection apparatus, when driving the stage 2 for mounting an object, two or more linear drive mechanisms (X axis / Y-axis linear motors 7a, the stage driving mechanism 7 comprising a combination of 7b), each of the linear drive mechanism (X-axis / Y-axis linear motors 7a, the stage 2 in the trajectory synthesis is analogous to the circular orbit of the orbital due 7b) move. At this time, the unit absolute value of the moving amount per step (drive amount) and the positive predetermined value or more, or having a value of real number "0", each of the linear drive mechanism (X-axis / Y-axis linear motors 7a, 7b) were controlled respectively, conforming the small circular orbit having half the size in concentric circular orbit, the orbital ranging large circular orbit having twice the size of concentric circular orbit in a circular orbit trajectory as, since moving the stage 2, at low cost, it can be kept driving precision.