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Sintered body and production method thereof

Image Number 4 for United States Patent #8173563.

An object is to provide a sintered body causing less chipping and having a sufficiently higher polishing rate than a conventional AlTiC sintered body, and providing a sufficiently smooth air bearing surface. The sintered body according to the present invention consists of Al.sub.2O.sub.3, a compound represented by the chemical formula (1) below, and a composite oxide containing Al and Ti, TiC.sub.xO.sub.y (1) wherein x+y.ltoreq.1, x>0 and y>0.

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