Patent ID: 7535329
Filing Date: 2009-05-19
Classification: G01R,H01F,H01J

Abstract:
1. A magnet structure for spectroscopy, comprising: a plurality of permanent magnetic flux sources disposed along a common axis, said plurality including, a first magnet flux source including a first through-hole body, and second and third magnet flux sources located respectively on opposite sides of the first magnet flux source and having a non-magnetic gap material separating at least one of the second and third magnet flux sources from the first magnet flux source, at least one of the second and third magnet flux sources including a side through-hole body; magnetic flux within the first magnet flux source oriented to generate a first magnetic field directed along the common axis; respective magnetic fluxes within the second and third magnet flux sources to generate second and third magnetic fields; and at least one field component of either the second or third magnetic fields along the common axis inside the respective second or third magnet flux sources opposed to a direction of the first magnetic field on said common axis inside the first magnet flux source, wherein the second and third magnet flux sources generate said second and third magnetic fields directed at an oblique angle to the common axis.