摘要 |
<p>The invention relates to a hard material layer, deposited on a workpiece (30) as a functional layer (32) by means of an arc-PVD method. Said layer is essentially embodied by an electrically insulating oxide of at least one of the metals (Me) of the transition metals of the sub-groups IV, V, VI of the periodic table and Al, Si, Fe, Co, Ni, Co, or Y and the functional layer (32) contains no noble gas or halogen.</p> |