Magnetic core for use in a development system

   
   

A magnetic core includes an array of permanent magnets bonded to a cylindrical core. The magnets are formed of an extruded magnetic composite material containing a neodymium-boron-iron alloy. The magnetic core contains regions of alternating magnetic polarization arranged to create a multipole structure. Such extruded magnets easily constructed at low cost and offer close magnetic pole spacing with little or negligible surface discontinuity.

Un centro magnético incluye un arsenal de imanes permanentes enlazados a una base cilíndrica. Los imanes se forman de un material compuesto magnético sacado que contiene una aleación del neodymium-boro-hierro. El centro magnético contiene regiones de alternar la polarización magnética dispuesta para crear una estructura de varios polos. Tales sacaron los imanes construidos fácilmente en el espaciamiento cercano del bajo costo y del polo magnético de la oferta con discontinuidad superficial pequeña o insignificante.

 
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