Patent ID: 7954483

Claim:
A cutting segment for a cutting tool comprising a plurality of abrasive particle layers disposed perpendicular to a cutting direction, each of the abrasive particle layers having a plurality of abrasive particle rows stacked in a width direction of the cutting segment, each of the abrasive particle rows having a plurality of abrasive particles arranged in a line, wherein the abrasive particle layers have a plurality of blank sections therebetween, in which abrasive particles are absent or have a concentration of 70% or less with respect to those in the abrasive rows, wherein the blank sections include relatively thick blank sections and relatively thin blank sections, wherein each of the thick blank sections has a thickness of 0.75 to 2 times the average diameter of the abrasive particles, and wherein a thickness ratio of the thin blank sections to the thick blank sections is 1.5 times or more.