Disk device
AssigneesKabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
InventorsMakoto Okamoto, Takuma Kido, Toru Watanabe, Koji Sonoda, Takeyori Hara, Takayuki Kawabe
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Abstract
According to one embodiment, a disk device includes a housing filled with a low density gas containing oxygen and having a density lower than a density of air, a disk-shaped recording medium provided in the housing to be rotatable, a spindle motor provided in the housing and supporting and rotating the recording medium, and a magnetic head including a heat assist element which heats the recording medium. A surface of magnet of the spindle motor is covered with a shielding film blocking oxygen permeation.
Claims10
A disk device comprising:
- a housing filled with a low density gas containing oxygen and having a density lower than a density of air;
- a disk-shaped recording medium provided in the housing to be rotatable;
- a spindle motor provided in the housing, supporting and rotating the recording medium, and including a magnet whose surface is covered with a shielding film blocking oxygen permeation;
- and
- a magnetic head including a heat assist element which heats the recording medium.
Dependencies are inferred from the claim text.