Thermally assisted magnetic recording method
AssigneeFujitsu Limited
InventorsTakuya Kamimura, Koji Matsumoto, Takeshi Morikawa, Shingo Hamaguchi
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Abstract
A thermally assisted magnetic recording method includes the following steps. The recording layer of a magnetic recording medium is irradiated with a laser beam to produce a locally heated region. This heated region is moved by causing the recording layer and the laser beam to move relative to each other. To record desired information, a recording magnetic field is applied to the heated region of the recording layer. The laser beam has a cross section elongated in the direction in which the heated region is moved.
Claims9
A thermally assisted magnetic recording method comprising the steps of:
- irradiating a recording layer of a magnetic recording medium with a laser beam to produce a locally heated region;
- moving the heated region by causing the recording layer and the laser beam to move relative to each other;
- and
- applying a recording magnetic field to the heated region to record information;
- wherein the laser beam has a cross section elongated in a moving direction of the heated region.
A thermally assisted magnetic recording method comprising the steps of:
- causing a heating element to face a recording layer of a magnetic recording medium to produce a locally heated region;
- moving the heated region by causing the recording layer and the heating element to move relative to each other;
- and
- applying a recording magnetic field to the heated region to record information;
- wherein the heating element is elongated in a moving direction of the heated region.
A thermally assisted magnetic recording method comprising the steps of:
- producing a locally heated region in a recording layer of a magnetic recording medium;
- and
- applying a recording magnetic field to the heated region while moving the heated region, to record information;
- wherein the heated region is produced by forming a plurality of heated spots in the recording layer, the heated spots being aligned in a moving direction of the heated region in an overlapping manner.
Dependencies are inferred from the claim text.