Electromagnetic Actuator

An electronic device includes a housing. The housing includes a first plate defining a first wall; a cover defining a second wall opposite the first wall, a first sidewall, and a second sidewall opposite the first sidewall; and a second plate and a third plate, respectively defining a third sidewall, and a fourth sidewall opposite the third sidewall. The first, second, third, and fourth sidewalls extend between the first wall and the second wall. The electronic device further includes a movable mass disposed within the first, second, third, and fourth sidewalls of the housing; a first spring and a second spring, respectively attached to first and second opposite ends of the movable mass; and a first material and a second material, respectively joining the first spring to the second plate and the second spring to the third plate.