Patent ID: 6182729
Filing Date: 2001-02-06
Classification: B28D,Y10S,Y10T

Abstract:
An apparatus for simultaneously manufacturing a plurality of wafers by slicing a cylindrical ingot with a wire saw, the ingot having a crystal orientation, said apparatus comprising:a measuring device for measuring the crystal orientation of the ingot;an adhering device for adhering a support to a predetermined location on the surface of the ingot based on the measured crystal orientation, wherein the support includes an intermediate plate and a support plate, the support plate being adapted to fit the wire saw, wherein the adhering device includes an auxiliary adhering element for adhering the intermediate plate to the predetermined position in the outer peripheral surface of the ingot and an adhering element for adhering the support plate to the intermediate plate;a dryer for drying and solidifying an adhesive applied between the ingot and the intermediate plate and an adhesive applied between the intermediate plate and the support plate; andthe wire saw for slicing the ingot into the plurality of wafers while the ingot is supported on the support.