Patent ID: 9080236
Filing Date: 2015-07-14
Classification: C23C,H01J

Abstract:
1. Tube target for sputtering with 1.1 a cylindrical carrier tube ( 1.2 a cylindrical sputtering target ( 1.3 a connecting layer ( characterized in that the target ( 22 , 36 ) includes parallel and/or obliquely to its rotational axis ( 5 , 27 ) at least one groove ( 4 , 8 , 10 , 11 , 13 , 14 , 15 , 16 , 21 , 25 , 26 , 34 , 40 , 51 - 54 ), wherein said target is divided by said at least one groove ( 4 , 8 , 10 , 11 , 13 , 14 , 15 , 16 , 21 , 25 , 26 , 34 , 40 , 51 - 54 ) into said at least one curved segment ( 17 - 19 , 43 - 45 ).