Abstract: Methods for correcting motion of a robot are provided in the present invention. In one embodiment, a method for correcting motion of a robot includes transferring a first substrate supported on a robot to a processing position using a robotic motion routine, depositing a material on the first substrate in the processing position, determining an offset between a center of the deposited material and a center of the first substrate, adjusting the robotic motion routine to compensate for the offset. In another embodiment, a processing chamber is provided configured to obtain samples from which motion of a robot operated therein may be corrected to improve substrate placement on a substrate support through analysis of material deposited on the substrate.