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:
Dec. 31, 1996
Filed:
May. 25, 1995
Applicant:
Inventors:
Mark S Hammond, Houston, TX (US);
Joseph D Evans, Lafayette, CO (US);
Assignee:
SI Diamond Technology, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D / ; B24D / ;
U.S. Cl.
CPC ...
51293 ; 51295 ; 51309 ; 451540 ; 451548 ; 451552 ; 427404 ; 427580 ;
Abstract
Grinding tools are provided having a composite working surface with a metal bonding material coated with a modulated composition of transition metal compounds. Titanium nitride and zirconium nitride are suitable compounds. A manufacturing method for such grinding tools is also provided, employing cathodic arc deposition with transition metal compounds being formed from arcs of transition metal cathodes and a reactive gas.