Patent ID: 7112789
Filing Date: 2006-09-26
Classification: H01J

Abstract:
1. A high resolution magnetic analyzer for separating unwanted ion species from a traveling ribbon ion beam, said high resolution magnetic analyzer comprising: a central axis and intended arc pathway for a ribbon ion beam as it travels, said central axis having a predetermined curvilinear shape, an arc with a radius ranging between about 0.25 and 2 meters, and a fixed angle of curvature ranging from not less than about 45 degrees to not more than about 110 degrees of curvature; an arcuate yoke construct encompassing said predetermined curvilinear central axis and surrounding said intended arc pathway for the continuous ribbon ion beam as it travels, said arcuate yoke construct being formed at least in part of a ferromagnetic material and comprising an arcuate wall structure having fixed dimensions and substantially rectangular cross-section, two discrete open ends which serve as an entrance and exit for the traveling beam, and an internal spatial region of determinable volume which serves as a spatial passageway for the traveling beam; a mirror symmetrical pair of loop-shaped coils set in parallel as an aligned array, (a) wherein each discrete coil of the pair in the aligned array (b) wherein the aligned array of two looped-shaped coils paired in mirror symmetry