Importance

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Abstract

The motor arrangement comprises a stator (2), a rotor (1) consisting of a magnetized disc (4) and of a first plate (5) made of soft magnetic material covering one side of the disc (4), and a module (24) secured to the stator (2), facing the other side of the disc (4), through the intermediary of a second plate (6) also made of soft magnetic material. The module (24) is a plate of selenium having an integrated control circuit and, on its surface facing the rotor (1), flat coils that are connected to the circuit and that intercept the field created by the rotor. The coils, which are formed by a single layer of turns, are produced during the manufacturing process of the integrated circuit, and the metallization mask used during this process includes, to this end, the pattern of the conductors that form the coil's turns and of the connections between the circuit and the coils.

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First Claim