Air bearing slider for disk drive

Dynamic magnetic information storage or retrieval – Fluid bearing head support – Disk record

Reexamination Certificate

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Reexamination Certificate

active

07123449

ABSTRACT:
An air bearing slider of a disk drive for moving a read/write head to a desired position on a disk by being lifted above a surface of the disk includes a body having a surface facing the disk. A first rail base protrudes from the surface of the body facing the disk and has a U shape open to a trailing end portion of the body. A first positive pressure generating rail portion protrudes from the first rail base and includes a cross rail separated from a leading end portion of the first rail base and extending in a first direction perpendicular to a direction in which air enters and a pair of side rails extending from both ends portion of the cross rail in a second direction parallel to the direction in which air enters. A negative pressure cavity is defined by the first rail base. A second rail base protrudes from the surface of the body facing the disk adjacent to the trailing end portion of the body. A second positive pressure generating rail portion protrudes from the second rail base. A negative pressure-generating pocket is formed in each of the side rails and separate from the negative pressure cavity and open to the outside of the side rails.

REFERENCES:
patent: 5309303 (1994-05-01), Hsia et al.
patent: 6728070 (2004-04-01), Koishi
patent: 6982851 (2006-01-01), Yamamoto et al.
patent: 2002/0001157 (2002-01-01), Kang et al.
patent: 2002/0030938 (2002-03-01), Boutaghou et al.
patent: 2002/0126418 (2002-09-01), Ueno et al.
patent: 2002/0181153 (2002-12-01), Kang
patent: 2004/0156143 (2004-08-01), Kang
patent: 2006/0082928 (2006-04-01), Takahashi et al.
patent: 2000-0015718 (2000-03-01), None
patent: 2002-0003902 (2002-01-01), None

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