Rare earth bonded magnet and production method thereof

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In order to achieve excellent heat resistance, durability and weatherability for use in an extended range of temperature environments, a rare earth bonded magnet is formed such that a material mixture comprising : a rare earth magnetic powder having a particle diameter ranging from 30 μm to 500 μm; a resin binder constituted by a thermosetting resin; and an organic phosphorous compound, is compression-molded and hardened, wherein the organic phosphorous compound is uniformly dispersed in the resin binder.