Magnetic head slider, support therefor and magnetic disk unit

Details Magnetic head slider, support therefor and magnetic disk unit Magnetic head slider, support therefor and magnetic disk unit

2006-05-02

2006-05-02

Tupper, Robert S. (Department: 2652)

Dynamic magnetic information storage or retrieval

Fluid bearing head support

Disk record

C360S235700, C360S235800, C360S236000

Reexamination Certificate

active

07038883

ABSTRACT:
A magnetic head slider mounted on a magnetic disk unit for supporting a magnetic head that writes and reads information to and from a magnetic disk is constructed such that a depth δs1from the surfaces of leading and trailing pads, which come into contact with a medium surface when the disk is at rest, to stepped surfaces formed on the air inflow side of the leading pads, a depth δs2from the contact surfaces to stepped surfaces formed on the air inflow side of the trailing pad and a step depth δs3from the contact surfaces to the surfaces of side rails are in a relation of δs1≦δs2≦δs3.With this arrangement, the slider can follow the waved medium surface at a low flying height with a small flying height fluctuation, thus realizing high density recording, high reliability and reduced cost of the magnetic disk unit.

REFERENCES:
patent: 2002/0008939 (2002-01-01), Boutaghou et al.

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