OPTIMAL PERIODIC PERMANENT MAGNET STRUCTURE FOR ELECTRON BEAM FOCUSING TUBES
Assignee
US Government
Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE ARMY
Filed
Mar 30, 1987
Granted
May 9, 1989
Location
EATONTOWN NJ US
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° or π/2 radians from the magnet at one end of the stack to that at the other end.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 23, 1987
Rescinded
Dec 8, 1988
Duration
1 year, 4 months
Inventor
- 1HERBERT A. LEUPOLD
Record Details
- Patent number
- US 4829276
- Application
- 07041258
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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