Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy t

Details Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy t Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy t

1986-03-21

1988-06-28

Sheehan, John P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428626, 428630, 428634, 428652, 428668, 428928, B32B 1510

Patent

active

047538520

ABSTRACT:
A magnetic recording medium for high density recording comprising a non-magnetic substrate, a Cr undercoat and a magnetic Ni-Cr-Co alloy thin layer formed on the substrate. The magnetic alloy thin layer has a thickness of from 400 to 1200 angstrom and a Cr content of from 3 to 17 atomic percent. As a result, improved magnetic characteristics and corrosion resistance of the medium are ensured.

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