Corrosion resistant magnetic recording media

Details Corrosion resistant magnetic recording media Corrosion resistant magnetic recording media

G - Physics

11

B

31/149, 117/24.2

G11B 5/64 (2006.01) H01F 10/14 (2006.01) H01F 41/20 (2006.01)

Patent

CA 1122399

CORROSION RESISTANT MAGNETIC RECORDING MEDIA Abstract A thin film magnetic recording medium for deposition on a record carrier includes a ferromagnetic alloy containing iron, cobalt and chromium. The ferromagnetic alloy consists of from 0-55% cobalt, from 8-22% of chromium with the remainder iron. The preferred range of chromium is from 10-18%. The magnetic record- ing layer is vacuum deposited over an extended portion of a record carrier for storing information which is represented by the spatial distribution of magnetic transitions in the magnetic layer. The iron-cobalt-chromium or iron-chromium composition according to this invention, gives the best magnetic properties consistent with excellent corrosion resistance. SA976033

336241

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