CUTTING TOOL FOR PATTERN PROCESSING, AND ELECTRONIC DEVICE

PROBLEM TO BE SOLVED: To provide a cutting tool for pattern processing, configured to be mounted to secure strength and durability, even when used for a long period of time.SOLUTION: A cutting tool for pattern processing includes: a tool body having a predetermined diameter and length, and rotating around a center shaft as a rotating shaft; at least three flanks being cut to the center shaft by a clearance angle having a predetermined inclination to the direction of the center shaft of the tool body at a predetermined position of an outer peripheral surface of the tool body; and a tool edge with both sides of the flank playing a role of the cutting blade for processing a material to be cut.