Patent ID: 7474509
Filing Date: 2009-01-06
Classification: G11B

Abstract:
1. A magnetic recording apparatus comprising: a magnetic disk; a magnetic head, including a magnetoresistive device, for reading information from the magnetic disk; an arm, attached to the magnetic head, that swings so as to load and unload the magnetic head to or from the magnetic disk; a magnetic field applying part disposed close to the magnetic disk, made of a magnetic material, and formed with a groove for surrounding the magnetic head, the magnetic field applying part applying a magnetic field to the magnetic head in a direction such that when the magnetic head is loaded to the magnetic disk, the direction of the magnetic field aligns in a substantially radial direction of the magnetic disk; and a holding part for holding the arm such that the unloaded magnetic head stays at a position surrounded by the groove; wherein the magnetic material contains a plastic magnet.