Patent ID: 6537141
Filing Date: 2003-03-25
Classification: B24B

Abstract:
A polisher head backing film/backing plate assembly for preventing slipping of a backing film relative to a backing plate, the polisher head backing film/backing plate assembly comprising:a backing film having a first hole pattern disposed thereon and a holding means protruding from a surface of the backing film; and a backing plate having a second hole pattern and a receiving means disposed thereon, the second hole pattern corresponding to the first hole pattern on the backing film such that the first and second hole patterns can be aligned, the receiving means adapted to receive the holding means of the backing film such that when the first and second hole patterns are aligned, the holding means and the receiving means are also aligned, wherein the holding means can be inserted into the receiving means upon alignment such that the backing film is prevented from moving relative to the backing plate subsequent to the insertion of the holding means into the receiving means.