Patents Assigned to Sanvik AB
  • Diamond coated body and method of its production
    Patent number: 5962071
    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.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: October 5, 1999
    Assignee: Sanvik AB
    Inventors: Ingrid Reineck, Maria Nordin