The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2003
Filed:
Jun. 14, 2001
Applicant:
Inventor:
Hiroyuki Hanyu, Toyokawa, JP;
Assignee:
OSG Corporation, Toyokawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 2/714 ; B26D 1/12 ;
U.S. Cl.
CPC ...
B23B 2/714 ; B26D 1/12 ;
Abstract
A diamond-coated tool including: (a) a substrate; and (b) a diamond coating disposed on the substrate. The diamond coating is formed of diamond crystals grown on the substrate. Each of the diamond crystals has a diameter not larger than 2 &mgr;m as measured on an outer surface of the diamond coating, and/or a length not larger than 2 &mgr;m as measured in a direction in which each of the grown diamond crystals has expanded by its growth. The diamond coating preferably consists of a plurality of layers.