Patent ID: 7821746
Filing Date: 2010-10-26
Classification: G11B

Abstract:
1. A magnetic head device comprising: a slider body facing a magnetic recording medium; an insulating part disposed on an end surface of the slider body; a magnetic sensor disposed in the insulating part so as to face the magnetic recording medium; conductive pads disposed on a surface of the insulating part, the conductive pads being bonded with a molten metal to electrodes of a support supporting the slider body; and lead layers disposed in the insulating part to electrically connect the magnetic sensor to the conductive pads; wherein the magnetic sensor includes a pinned magnetic layer whose magnetization direction is fixed, a free magnetic layer whose magnetization direction is changed by an external magnetic field, and a nonmagnetic layer disposed therebetween; wherein the lead layers are electrically connected to a pair of shield layers between which the magnetic sensor is disposed so that a sensing current can be supplied to the magnetic sensor via the shield layers; and wherein the conductive pads are electrically connected to the lead layers in the insulating part by stacking the conductive pads on the lead layers, and heat-conducting layers are disposed between the lead layers and the end surface of the slider body to transfer heat applied to the conductive pads and the lead layers by the molten metal to the slider body.