A semiconductor wafer is manufactured in such a way that a main surface of
a semiconductor substrate is partitioned into a plurality of
semiconductor element forming regions defined by scribing regions,
wherein at least one pattern for measuring a width of a cut region and
its positional shift is formed in proximity to a peripheral portion of
the semiconductor substrate on a scribing line. The pattern is
constituted by a plurality of micro patterns that are aligned in a
reverse V-shape to traverse the scribing line and a pair of elongated
patterns that partially overlap seal rings formed in both sides of the
scribing line. It is possible to form a channel whose width is larger
than the width of the cut region on the backside of the semiconductor
substrate in correspondence with the scribing region in order to avoid
the formation of chipping, cracks, and burrs during cutting.