Dynamic magnetic information storage or retrieval – Fluid bearing head support – Disk record
Reexamination Certificate
2009-05-14
2010-06-01
Miller, Brian E (Department: 2627)
Dynamic magnetic information storage or retrieval
Fluid bearing head support
Disk record
C360S125310, C360S125740, C360S294700
Reexamination Certificate
active
07729088
ABSTRACT:
Embodiments of the invention achieve a decrease in electric power consumption while ensuring high recording density and high reliability in a magnetic disk apparatus. In one embodiment, a magnetic disk apparatus comprises a rotatable magnetic disk and a magnetic head slider to be able to fly above a surface of the magnetic disk. The magnetic head slider comprises an air bearing surface, by which the magnetic head slider is caused to fly and come near to the rotating surface of the magnetic disk with a predetermined spacing therebetween, recording and reproducing elements to perform at least one of recording on and reproduction from the magnetic disk, and a heating device to adjust a distance between the recording and reproducing elements and the surface of the magnetic disk. The heating device is mounted such that heating thereof causes a part of the air bearing surface to expand and project to increase a distance between the recording and reproducing elements and the surface of the magnetic disk.
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Kohira Hidekazu
Kurita Masayuki
Shiramatsu Toshiya
Tokuyama Mikio
Gold Darren
Hitachi Global Storage Technologies - Netherlands B.V.
Miller Brian E
Townsend and Townsend / and Crew LLP
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