Patent ID: 7379277
Filing Date: 2008-05-27
Classification: G11B

Abstract:
1. An apparatus comprising: a first electrode; a second electrode; a first magnetic shield comprising a first fragment that forms at least a portion of the first electrode and a second fragment that forms at least a portion of the second electrode; a second magnetic shield comprising a third fragment that forms at least a portion of the first electrode and a fourth fragment that forms at least a portion of the second electrode; and a sensor electrically connected in series between the first and second electrodes and positioned between the first and second magnetic shields, wherein each of the first and second magnetic shields has a first edge opposite a second edge, and wherein the sensor is adjacent the first edge of the first and second magnetic shields; wherein the first and second fragments of the first magnetic shield and the third and fourth segments of the second magnetic shield each extend from the first edge to the second edge.