Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Reexamination Certificate
2011-05-31
2011-05-31
Enad, Elvin G (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
C335S299000
Reexamination Certificate
active
07952454
ABSTRACT:
The device for creating a uniform magnetic field in a zone of interest, in particular for nuclear magnetic resonance and magnetic resonance imaging, comprises an arrangement of superconductor coils disposed around a longitudinal axis (z) of the zone of interest. This arrangement of coils comprises at least one stack of a set of modular elements (8) distributed along the longitudinal axis (z), each modular element (8) comprising a rectangular-section conductor of superconductor material that is wound in continuous manner to form of a double pancake coil. The double pancake coil comprises a first single plane pancake coil (10) in the form of a spiral, a second single plane pancake coil (20) in the form of a spiral juxtaposed with and parallel to the first single pancake coil (10), and a transition segment (30) without any internal junction between the first and second single pancake coils (10, 20). Each single pancake coil (10, 20) has a connection end (11, 21) situated at the outer peripheral portion of the pancake coil, and the transition segment (30) enables an offset to be provided along the longitudinal axis (z) that is not less than the transverse dimension of the conductor along said axis.
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Commissariat a l'Energie Atomique et Aux Energies Alternatives
Enad Elvin G
Rojas Bernard
Weingarten Schurgin, Gagnebin & Lebovici LLP
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