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By J. A. Osborn (auth.), J. A. Osborn (eds.)

ISBN-10: 1489961933

ISBN-13: 9781489961938

ISBN-10: 148996391X

ISBN-13: 9781489963918

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Extra resources for Proceedings of the Seventh Conference on Magnetism and Magnetic Materials

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R r .. EADS ... SHIELDING. SOLENOID - ... TIQHS eETWUN con.. :!! 5OLEN(UO ... g .. "'100 ",GAUSS) FIG. 4. Schematic illustration of the use of a small superconducting solenoid for shielding superconducting connections in the vicinity of a magnet providing a high field. 38 P. P. Cioffi, J. App!. Phys. (to be published). MAG NET Ie FIE L D S 1047 FIG. 5. Schematic of the arrangement used by Cioffi38 for a voiding leakage flux and improving the homogeneity of an electromagnet by the use of superconductor shielding.

The continuous layers were insulated to avoid the formation of a shorted turn. The windings were also superconducting and the field was not generated until the system was cooled to liquid helium temperatures. The torturous path, through the spiral layers of the superconductor shield reduced the leakage flux to a negligible amount. $ .......... TIONS TO .. r r .. EADS ... SHIELDING. SOLENOID - ... TIQHS eETWUN con.. :!! 5OLEN(UO ... g .. "'100 ",GAUSS) FIG. 4. Schematic illustration of the use of a small superconducting solenoid for shielding superconducting connections in the vicinity of a magnet providing a high field.

E. McMahon, Solid State Circuits Conference, Digest of in the direction of H w than in the opposite direction, this Technical Papers, pp. 16-17 (1959). difference being greater for times less than 7. This 2 M. J. Freiser (private communication). 1049 l. T ), 1050 V. T. 0--~7~5--~1 0 Flu. a. FIG. 1. Threshold properties of partially switched copper manganese ferrite core. (a) Variation of instantaneous threshold 11 (t) with time T D after writing for 5% and 50% flux states; (b) threshold final value 11, (in the direction of I w) versus flux state for different values of writing time T w; (c) relaxation time (T) versus coercivity for various core temperatures and relaxation time versus flux state with T w held constant.

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Proceedings of the Seventh Conference on Magnetism and Magnetic Materials by J. A. Osborn (auth.), J. A. Osborn (eds.)


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