Patent ID: 7116197
Filing Date: 2006-10-03
Classification: G01R,H01F

Abstract:
1. A magnet structure, comprising: a frame, including first and second opposing frame ends and a plurality of spacers separating the first and second frame ends; a first permanent magnet assembly, attached to the first frame end, including a first magnet enclosure, a first permanent magnet insert, and a first pole, having a first pole face and disposed on an end of the magnet enclosure; and a second permanent magnet assembly, attached to the second frame end, including a second magnet enclosure, a second permanent magnet insert, and a second pole, having a second pole face and disposed on an end of the second magnet enclosure; wherein each of the first and second frame ends is shaped substantially like a cross; and wherein the cross shape is supported by at least one gusset.