Importance

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Abstract

A device for separating high mass to charge particles (M.sub.1) from low mass to charge particles (M.sub.2) in a plasma includes a cylindrical wall that surrounds a chamber and defines an axis. Rectangular shaped coils are mounted on the wall to establish a magnetic field, B.sub.0, in the chamber that is aligned substantially perpendicular to the axis and which rotates about the axis. Circularly shaped coils are provided to generate a time-constant, axially aligned magnetic field, B.sub.z, in the chamber. Passive, ring-shaped electrodes are positioned at the ends of the wall and connected to resistors which are then grounded. The rotating magnetic field, B.sub.0, rotates the plasma in the axially aligned magnetic field, B.sub.z, which in turn, induces a radially oriented electric field, E.sub.r, in the chamber. The crossed fields (i.e. E.sub.r.times.B.sub.z) cause the particles, M.sub.1, to strike the wall while the particles, M.sub.2, transit through the chamber.

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First Claim