Patent ID: 7118465
Filing Date: 2006-10-10
Classification: B24B

Abstract:
1. A grinding assembly for use in the manufacturing of semiconductor devices, said grinding assembly comprising: a grinding plate having grinding projections at the bottom thereof, and at least two fixing pins protruding at the top thereof, each of the fixing pins having a coupling projection; a grinding mount having a bottom surface against which the grinding plate rests, at least two first fixing grooves in the bottom surface, at least two second fixing grooves in the bottom surface and in which the fixing pins are received, respectively, and first guide grooves extending in the bottom surface along respective arcs of a circle, each of the first guide grooves connecting a respective one of said first fixing grooves to a respective one of said second fixing grooves; and a rotary shaft connected to said grinding mount opposite the grinding plate, whereby the grinding plate is rotated by the rotary shaft via the grinding mount, wherein each of the fixing pins comprises a pin body, and the coupling projection is a spherical projection at the tops of the pin body.