Patent ID: 6166617
Filing Date: 2000-12-26
Classification: G01R,H01F

Abstract:
A magnet pole piece assembly comprising:a) a first magnet pole piece having a longitudinally extending first axis and including at least one first surface recess;b) a second magnet pole piece, wherein said second magnet pole piece has a longitudinally extending second axis, wherein said second magnet pole piece is longitudinally spaced apart from said first magnet pole piece along said first axis and said second axis, and wherein said second magnet pole piece includes at least one second surface recess aligned with and facing a corresponding one of said at least one first surface recess; andc) at least one support member including:(1) a generally longitudinally-extending central segment having opposing first and second longitudinal ends;(2) a first end segment having a first region which is spaced apart from said first magnet pole piece and which is abuttingly and metallurgically attached to said first longitudinal end of said central segment, and having a first portion which is spaced apart from said first region, which is disposed within a corresponding one of said at least one first surface recess, and which is abuttingly and metallurgically attached to said first magnet pole piece; and(3) a second end segment having a second region which is spaced apart from said second magnet pole piece and which is abuttingly and metallurgically attached to said second longitudinal end of said central segment, and having a second portion which is spaced apart from said second region, which is disposed within a corresponding one of said at least one second surface recess, and which abuttingly and metallurgically attached to said second magnet pole piece.