Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1991-03-22
1993-10-12
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335296, 148311, 148313, 420127, H01F 114
Patent
active
052529401
ABSTRACT:
A magnetic material and an actuator having magnetic circuit elements incorporating the magnetic material formed of equal amounts of iron and cobalt and between about 2.1 to 5% by weight vanadium. The actuator is well suited for inclusion in an impact printer for driving the impact members of the impact printer in response to printing signals. The composition of the magnetic material of the actuator provides high energy efficiency under greatly fluctuating direct current conditions by reducing eddy currents.
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Inui, et al., "Production of Permendur in Coil Strip", Hitachi Metals Technical Review, vol. 3, pp. 20-24, 1987.
Josso, MM, "Les Alliages Magnetiques Doux Au Service Des Animants", La Metallurgie, vol. 104, No. 11, pp. 437-446, 448, Nov. 1972.
E. Josso, "Iron-Cobalt-Vanadium Alloys", IEEE Transactions on Magnetics, vol. MAG-10, No. 2, Jun. 1974, pp. 161-165.
Barrera Raymond
Picard Leo P.
Seiko Epson Corporation
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