Stock material or miscellaneous articles – Magnetic recording component or stock – Thin film media
Reexamination Certificate
2006-11-28
2006-11-28
Rickman, Holly (Department: 1773)
Stock material or miscellaneous articles
Magnetic recording component or stock
Thin film media
C428S141000
Reexamination Certificate
active
07141317
ABSTRACT:
A perpendicular magnetic recording medium has a substrate, a soft magnetic underlayer formed on the substrate, arrayed soft magnetic dots formed on the soft magnetic underlayer, and a ferromagnetic recording layer formed on the soft magnetic dots and having magnetic anisotropy in a direction perpendicular to a surface of the substrate.
REFERENCES:
patent: 5652054 (1997-07-01), Kikitsu et al.
patent: 5956216 (1999-09-01), Chou
patent: 6174597 (2001-01-01), Yusu et al.
patent: 6420058 (2002-07-01), Haratani et al.
patent: 6602620 (2003-08-01), Kikitsu et al.
patent: 6770388 (2004-08-01), Uwazumi et al.
patent: 6841224 (2005-01-01), Kamata et al.
patent: 59-139138 (1984-08-01), None
B. Gooch, et al. “A High Resolution Flying Magnetic Disk Recording System with Zero Reproduce Spacing Loss,” IEEE Transactions on Magnetics, vol. 27, No. 6, Nov. 1991, pp. 4549-4554.
Kamata Yoshiyuki
Kikitsu Akira
Oblon, Spivak, McClelland, Maier & Neustatd, P.C.
Rickman Holly
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