Patent ID: 9005414
Filing Date: 2015-04-14
Classification: H01J

Abstract:
1. A magnet arrangement for a sputtering system having a rotatable target, wherein the magnet arrangement comprises: a first magnet element extending along a first axis, wherein the first magnet element has, in the direction of the first axis, a first end and a second end opposite to the first end; two second magnet elements, each second magnet element extending in parallel to the first axis and being symmetrically arranged on opposite sides to the first axis, wherein each second magnet element has a first end and second end; a third magnet element connecting the first ends of the two second magnet elements; and a fourth magnet element connecting the second ends of the two second magnet elements, such that the second magnet elements, the third magnet element, and the fourth magnet element surround the first magnet element;