Patent ID: 6080263
Filing Date: 2000-06-27
Classification: H01L,Y10T

Abstract:
A method of applying a protective film to a semiconductor wafer, in which the semiconductor wafer having an orientation flat portion and a circumferential portion is placed on a table and then a protecting film is applied to the semiconductor wafer and is cut to match the shape of the semiconductor wafer, the steps comprised of:a first step in which a cutter or the table is moved to cut the protecting film along the orientation flat portion;a second step in which the table is rotated while the cutter or table is being moved, with the cutting direction of the cutter arranged at or below a prescribed angle with respect to the tangential direction of the circumferential portion of the semiconductor wafer; anda third step in which the table is rotated to cut the protecting film along the circumferential portion of the semiconductor wafer.