C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
C30B 29/04 (2006.01) B23B 27/14 (2006.01) B23B 27/20 (2006.01) B23C 5/06 (2006.01) B23K 26/38 (2006.01) B23K 26/40 (2006.01) B23P 15/28 (2006.01) C04B 41/50 (2006.01) C04B 41/85 (2006.01)
Patent
CA 2172928
A method of making a diamond coated insert includes, obtaining a substrate of durable and diamond adherent material having a substantially smooth surface on which is coated a diamond layer using any known CVD technique, and partitioning the diamond covered substrate with a laser beam into multiple inserts with desired geometries. If desired, the insert edges and corners may be thereafter machined or ablated until the desired smoothness and finish are achieved, and a fastening throughbore may be preformed or drilled in the center of each insert. The diamond coated inserts as formed have a top surface entirely coated by a surface layer of diamond of a first thickness, and at least one rake face which is not diamond coated beyond the surface layer of diamond.
Gowling Lafleur Henderson Llp
Saint-Gobain Ceramics & Plastics Inc.
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