Magnetic recording medium having lands with curved upper...

Details Magnetic recording medium having lands with curved upper... Magnetic recording medium having lands with curved upper...

2011-05-03

2011-05-03

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Record medium

Disk

C428S842000, C427S128000

Reexamination Certificate

active

07936536

ABSTRACT:
In a discrete track medium and a patterned medium, a meniscus adsorptive force is reduced and writing into adjacent tracks is prevented. A magnetic layer in lands or patterns in the discrete track medium or the patterned medium is formed into a cylindrical shelly or spherical shelly shape with a uniform thickness. Moreover, a height of cylindrical shelly land or a height of spherical shelly land is changed between 5 nm and 30 nm according to radial positions. Thus, an effect is achieved for providing a magnetic recording medium and a magnetic disk apparatus which are excellent in realizing higher recording density and higher reliability.

REFERENCES:
patent: 7494727 (2009-02-01), Suwa et al.
patent: 7616404 (2009-11-01), Suwa et al.
patent: 2003/0179477 (2003-09-01), Usa et al.
patent: 2005/0069732 (2005-03-01), Kamata et al.
patent: 2005/0233176 (2005-10-01), Takai et al.
patent: 2006/0257694 (2006-11-01), Hieda et al.
patent: 2008/0297947 (2008-12-01), Okura et al.
patent: 2005-052956 (2005-03-01), None
patent: 2005-108335 (2005-04-01), None
patent: 2005-276325 (2005-10-01), None
patent: 2006-318607 (2006-11-01), None
patent: 2008-010036 (2008-01-01), None
patent: WO 2007/074645 (2007-07-01), None

Affiliated with

Also associated with

Rating

Magnetic recording medium having lands with curved upper... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic recording medium having lands with curved upper..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic recording medium having lands with curved upper... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2641122