SCRIBING WHEEL HAVING MICRO STRUCTURE FOR CUTTING

摘要

The present invention relates to a scribing wheel which includes a wheel-shaped wheel body of which the thickness of at least edge end area is gradually reduced toward the outside and a cutter unit which comprises a plurality of grooves and cutter blades which are alternately formed along the edge end area. The grooves have a structure that a side concave area which is recessed from both sides of the edge end area of the wheel body and an end concave area which is recessed from the edge end area of the wheel body are formed in a groove.