Magnetic head slider with reduced bearing surface area and...

Details Magnetic head slider with reduced bearing surface area and... Magnetic head slider with reduced bearing surface area and...

2005-11-17

2009-08-25

Blouin, Mark (Department: 2627)

Dynamic magnetic information storage or retrieval

Fluid bearing head support

Disk record

Reexamination Certificate

active

07580224

ABSTRACT:
A compact slider has a reduced area of bearing surfaces, thus substantially decreasing a lifting force obtained through an air bearing characteristic. In one embodiment, a shallowly grooved surface and air bearing surfaces are disposed on an inflow side of a bearing surface of a slider. The air bearing surfaces are connected to each other through a connection air bearing surface. Side shallowly grooved surfaces are respectively disposed rearward of the air bearing surfaces. The side shallowly grooved surface extends up to a point near an outflow end. A center air bearing surface is disposed on the outflow end of the slider. A magnetic head is mounted on the center air bearing surface. A center shallowly grooved surface is disposed on an inflow side of the center air bearing surface. A deeply grooved surface is disposed at a center of the bearing surface. No cutting margins are provided on both sides of the slider. The air bearing surfaces on the inflow side therefore reach end faces in a width direction of the slider.

REFERENCES:
patent: 6057983 (2000-05-01), Kajitani
patent: 7164556 (2007-01-01), Kohira et al.
patent: 2001/0019467 (2001-09-01), Otsuka et al.
patent: 2005/0057848 (2005-03-01), Okasaka et al.
patent: 09-147340 (1997-06-01), None
patent: 11-144418 (1999-05-01), None
patent: 2000-076721 (2000-03-01), None

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