Apparatus to combine a filter to a collimator

This application claims the benefit of Korean Application No. 2002-8170, filed Feb. 15, 2002, in the Korean Industrial Property Office, the disclosure of which is incorporated hereby by reference. An apparatus to combine a filter to a collimator includes a filter supporting part to support the filter which has one side coated with an adhesive, and a chucking holder provided in a lower part of the filter supporting part to chuck the collimator. The apparatus also includes an elevation part to elevate the chucking holder toward the filter supporting part, and at least one heating part provided in one side of the filter supporting part to heat a region of contact between the collimator and the filter. Thus, a filter combining apparatus for a collimator allows the filter to be easily combined to an end of the collimator.