Interlayer design for magnetic media

Details Interlayer design for magnetic media Interlayer design for magnetic media

2004-03-31

2008-08-05

Rickman, Holly (Department: 1794)

Stock material or miscellaneous articles

Magnetic recording component or stock

Thin film media

Reexamination Certificate

active

07407720

ABSTRACT:
A magnetic recording medium having a substrate, an interlayer and a magnetic layer, the interlayer having at least a first intermediary layer, a second intermediary layer and a third intermediary layer, wherein the first intermediary layer or the third intermediary layer is non-magnetic or magnetic and the second intermediary layer has a hexagonal close pack crystal structure and a property of providing RKKY coupling between the first intermediary layer and the third intermediary layer when the first intermediary layer and the second intermediary layer are magnetic layers is disclosed.

REFERENCES:
patent: 6682834 (2004-01-01), Okuyama et al.
patent: 7211340 (2007-05-01), Nolan
patent: 2004/0247943 (2004-12-01), Girt et al.
patent: 2004/0258963 (2004-12-01), Nolan

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