Stock material or miscellaneous articles – Magnetic recording component or stock – Thin film media
Reexamination Certificate
2006-07-04
2006-07-04
Bernatz, Kevin M. (Department: 1773)
Stock material or miscellaneous articles
Magnetic recording component or stock
Thin film media
C428S835200
Reexamination Certificate
active
07070871
ABSTRACT:
A method of manufacturing a metallic thin film type magnetic recording medium is provided. The method comprises the steps of arranging an initial substance of said recording medium in opposition to a plasma discharge electrode, said initial substance comprising a non-magnetic support base, a metallic layer capable of functioning as a metallic electrode formed on said non-magnetic support base and a metallic magnetic layer formed on said metallic layer, and forming a protection film on a surface of said initial substance of said recording medium by way of generating plasma discharge while feeding raw material gas between said metallic layer/said metallic magnetic layer and said plasma discharge electrode.
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Hiratsuka Ryoichi
Kanagawa Ichiro
Ozaki Tomoe
Suzuki Kasumi
Bernatz Kevin M.
Sonnenschein Nath & Rosenthal LLP
Sony Corporation
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