Patent ID: 9165749
Filing Date: 2015-10-20
Classification: C23C,H01J

Abstract:
1. An arc source with a target ( 1 ), comprising: a target front face ( a target backside; a central target region (Z); a target margin region (A) defining a periphery of the target ( a magnet system consisting of an inner magnet system ( an additional magnet configuration comprising a coil looped around a center of said target ( wherein said inner magnet system ( wherein said outer magnet system ( wherein said coil is arranged at or behind said target backside; wherein each of said dipoles (D wherein at said target front face ( wherein said dipoles (D further comprising a cover in said central target region (Z) electrically insulated from said target ( wherein said cover masks said central target region (Z) at least up to a first locus along said target front face (