Microelectromechanical magnetic switches having rotors that...

H - Electricity – 01 – H

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H01H 1/00 (2006.01) H01H 36/00 (2006.01)

Patent

CA 2530658

A magnetic switch includes a substrate having a recess therein. A rotor or rotors are provided on the substrate. The rotor includes a tail portion that overlies the recess, and a head portion that extends on the substrate outside the recess. The rotor may be fabricated from ferromagnetic material, and is configured to rotate the tail in the recess in response to a changed magnetic field. First and second magnetic switch contacts also are provided that are configured to make or break electrical connection between one another in response to rotation of the tail in the recess, in response to the changed magnetic field. Related operation and fabrication methods also are described.

L'invention concerne un commutateur magnétique comprenant un substrat possédant un recoin. Un ou plusieurs rotors sont disposés sur le substrat. Le rotor comprend une partie d'extrémité qui recouvre le recoin, et une partie de tête qui s'étend sur le substrat à l'extérieur du recoin. Le rotor peut être fabriqué à partir de matériaux ferromagnétiques, et est configuré de manière à faire pivoter l'extrémité dans le recoin en réponse à un changement du champ magnétique. Des premiers et seconds contacts de commutateur magnétique sont aussi configurés pour établir ou interrompre une connexion électrique entre eux en réponse au pivotement de l'extrémité dans le recoin, en réponse au changement du champ magnétique. L'invention porte aussi sur des procédés de fonctionnement et de fabrication associés.

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