| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a coated cutting insert having an interference color layer at the thin most outer layer. <P>SOLUTION: This invention relates to a coated cutting insert comprising a super-hard material body made of cemented carbide, cermet, ceramics, high speed steel, cubic boron nitride, or diamond. The body has a hard, wear resistant film which has a thickness of less than 0.5 microns and includes non-oxide coloration layer (composed of a plurality of metals belonging to the groups IV, V, or VI in the periodic table, and Al, Si, B or mixture thereof) at the most outer layer. By this configuration, the the color is produced by the interference. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
