DICING BLADE

摘要

Provided is a dicing blade with which cutting work can be performed stably and precisely in a ductile mode on a workpiece formed of a brittle material, without generating cracks or breaking. This dicing blade (26), which performs cutting work on a workpiece, is formed integrally in the shape of a disk by means of a diamond sintered body (80) formed by sintering diamond abrasive grains (82). The content of the diamond abrasive gains (82) in the diamond sintered body (80) is at least 80% by volume. Preferably, recessed parts formed in the surface of the diamond sintered body (80) are provided continuously in the circumferential direction at the outer circumferential part of the dicing blade (26).