Stock material or miscellaneous articles – Magnetic recording component or stock – Thin film media
Reexamination Certificate
2006-11-07
2006-11-07
Bernatz, Kevin M. (Department: 1773)
Stock material or miscellaneous articles
Magnetic recording component or stock
Thin film media
C428S836200
Reexamination Certificate
active
07132176
ABSTRACT:
A perpendicular magnetic recording medium includes a magnetic recording layer stacked on a substrate and having a first perpendicular magnetic recording layer containing cobalt, and a second perpendicular magnetic recording layer mainly containing a crystalline alloy which contains a rare earth element and a transition metal.
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Hikosaka Takashi
Iwasaki Takeshi
Nakamura Futoshi
Oikawa Soichi
Sakai Hiroshi
Bernatz Kevin M.
Kabushiki Kaisha Toshiba
Pillsbury Winthrop Shaw & Pittman LLP
Showa Denko K.K.
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