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Degaussing system for bulk demagnetization of previously magnetized materials
Degaussing system for bulk demagnetization of previously magnetized materials
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机译：消磁系统，用于对先前磁化的材料进行批量消磁
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摘要
The item to be demagnetized is placed in a chamber surrounded by electrical windings defining a pair of coils that are disposed in a mutually orthogonal configuration. Currents for the two coils are developed in a microprocessor-controlled inverter circuit and are applied through semiconductor switches in such a way that the resulting demagnetizing field is rotating and follows a predetermined amplitude variation in accordance with one or more profiles stored in the memory of the microprocessor.
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