Stock material or miscellaneous articles – Composite – Of metal
Patent
1984-09-20
1985-11-19
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Of metal
148 131, 148 165, 148 203, 148 315, 148 3155, 204192D, 204192M, 427131, 427132, 428694, 428695, 428900, G11B 572
Patent
active
045542171
ABSTRACT:
A process for forming a magnetic recording member composed of a substrate, a magnetic film, and a protective layer. The magnetic film is deposited on the substrate by means of DC or RF sputtering and electron beam vacuum deposition in a partial pressure of inert gas. During the final minutes of the sputter process, oxygen or carbon monoxide is injected into the vacuum chamber to form the protective layer.
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H. Maeda, "High Coercivity Co and Co-Ni Alloy Films", J. Applied Physics; 53(5), May 1982, pp. 3735-3739.
Brock George W.
Grimm M. Andreas
Robinson Ellis P.
Schatzel Thomas E.
Verbatim Corporation
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