Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1989-11-14
1991-02-19
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335212, 335210, 315 528, H01F
Patent
active
049947788
ABSTRACT:
A permanent magnet structure comprising a linear array of hollow cylindrical flux source structures nested one within another about a common central axis. Each HCFS structure is free to displace linearly parallel to the central axis or to rotate about the axis. The array may be arranged by appropriate mechanical adjustment to provide periodic magnetic structures suitable for use as a wiggler or a twister.
REFERENCES:
patent: 4429229 (1984-01-01), Gluckstern
patent: 4839059 (1989-06-01), Leupold
K. Halbach, "Conceptual Design of a Permanent Quadrapole Magnet With Adjuble Strenths", Nuclear Instruments and Methods, 1983.
K. Halbach, "Conceptual Design of a Permanent Quadrupole Magnet With Adjustable Strength", Sep. 1982.
Korka Trinidad
Michal Judith A.
Picard Leo P.
The United States of America as represented by the Secretary of
Zelenka Michael
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