Optimal periodic permanent magnet structure for electron beam fo

Details Optimal periodic permanent magnet structure for electron beam fo Optimal periodic permanent magnet structure for electron beam fo

1987-03-30

1989-05-09

Tarcza, Thomas H.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335210, 315 516, 315 535, 313156, H01F 700

Patent

active

048292761

ABSTRACT:
In the preferred embodiment a plurality of toroidally shaped magnets of slar size and configuraton are placed in a stack side-by-side in coaxial alignment. Alternate magnets in the stack are magnetized so that the magnetic dipole moment of each is oriented in the radial direction. An axial magnetized toroidal magnet is disposed between each pair of adjacent radially magnetized magnets. The magnetic orientation of the succesive toroidal magnets of the stack rotates continually in one direction in increments of 90.degree. or .pi./2 radians from the magnet at one end of the stack to that at the other end.

REFERENCES:
patent: 3129356 (1964-04-01), Phillips
patent: 3768054 (1973-10-01), Wendell
patent: 4592889 (1986-06-01), Leupold et al.

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