| 摘要 |
Provided are a position controller capable of having a simple structure and accurately controlling a position, a method of controlling a position and an apparatus including the position controller. The position controller includes a moving part configured to process or measure a workpiece, a laser unit disposed on one side of the moving part, and configured to irradiate a laser, a mask on which a laser image is formed corresponding to the irradiate laser, and a position control unit configured to position the moving part based on information of the laser image formed on the mask. |
