Patent ID: 9149953
Filing Date: 2015-10-06
Classification: B24B,B26D,B28D,C03B,Y10T

Abstract:
1. A scribing wheel comprising: a scribing-wheel base material; a diamond film formed on a cutting-edge part of said scribing-wheel base material; and a ground region formed by grinding said diamond film by a mechanical grinding technique, said scribing-wheel base material having a form of a disc with a largest-diameter part having a central axis and inclined surfaces formed at a periphery of said disc, said scribing-wheel base material having formed at a periphery thereof one of the following: a circumferential surface whose axis coincides with said central axis, the circumferential surface being curved inwardly with respect to said central axis of said base material, and a circumferential surface whose axis coincides with said central axis, the circumferential surface having a V-shaped section defined by an inwardly-bent shape with respect to said central axis of said base material.