Patent ID: 9676114
Date: 2017-06-13
CPC Classifications: B23D,B24D,B26D,B28D,Y10T

Claim:
1. A wafer edge trim blade, comprising: a round blade body having an outer diameter and an inner diameter, wherein the inner diameter defines an opening, a thickness of the round blade body ranges from 1.5 millimeters (mm) to 2.5 mm, the outer diameter of the round blade body ranges from 47 mm to 53 mm, the inner diameter of the round blade body ranges from 39 mm to 41 mm, an entirety of the round blade body between the outer diameter and the inner diameter comprises diamond grit and has a substantially uniform thickness; and a plurality of slots extending inward from an outermost surface of the round blade body, wherein each slot of the plurality of slots is provided in the round blade body at different distances from one another.