Patent ID: 9579826
Date: 2017-02-28
CPC Classifications: B23D,B28D

Claim:
1. A method for slicing a wafer from a workpiece using a sawing wire, the method comprising: forming a wire web with the sawing wire, the wire web comprising a multiplicity of wire sections arranged parallel, and the wire web being clamped at least by two wire guide rolls, a wire inlet side roll and a wire outlet side roll; and guiding the sawing wire by the at least two wire guide rolls through wire-guiding grooves, the wire-guiding grooves having a distance A between each another, in two lateral surfaces, an each groove having a width C, wherein at least one further groove, in which no wire is inserted during the wire sawing, is present alongside a wire-guiding groove, and wherein the width C of the wire-guiding grooves and the further groove decreases from the wire inlet side roll to the wire outlet side roll.