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:
Oct. 05, 1999
Filed:
Aug. 10, 1998
Applicant:
Inventors:
Ingrid Reineck, Huddinge, SE;
Maria Nordin, Uppsala, SE;
Assignee:
Sanvik AB, Stockholm, SE;
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427249 ; 427307 ; 427309 ;
Abstract
There is now provided a body coated with at least one diamond layer on a substrate of cemented carbide or cermets. The substrate is before the diamond coating process provided with spotwise occurring particles containing an element either being any of W, Ta, Ti, Mo Cr, V, Nb, Mg, Ca, Na, K or, preferably, any of B, Si, S, Al or P. These particles are dispersed at a density giving an average distance between two particles of 20 .mu.m or less, preferably 5 .mu.m or less.