POLISHING PAD-MEASURING APPARATUS AND CHEMICAL MECHANICAL POLISHING FACILITY USING THE SAME
Abstract:
Example embodiments of the inventive concepts provide a polishing pad-measuring apparatus and a chemical mechanical polishing facility using the same. The polishing pad-measuring apparatus includes a foreign material-removing part for removing a foreign material disposed in grooves extending from one surface of a polishing pad toward another surface, opposite to the one surface, of the polishing pad, and a distance measuring part for measuring depths of the grooves from which the foreign material is removed.
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