Method of forming truer

Abstract

A method of forming a truer in a truing where a groove of a grinding wheel used for grinding a chamfer portion of a wafer is formed by a truer having a disc-shape, wherein the method comprising: a process A for adjusting a diameter and a rough shape of the truer by a master grinding wheel for forming the truer; and a process B for forming an edge of the truer into a target shape, wherein the process A and the process B are performed by a plurality of master grooves having different shapes from each other, the plurality of master grooves being provided with the master grinding wheel or the process A and the process B are performed by a plurality of portions having different shapes from each other in at least one of the plurality of master grooves provided with the master grinding wheel.

Dependencies are inferred from the claim text.