Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1996-11-22

1998-10-06

Kiliman, Leszek

Stock material or miscellaneous articles

All metal or with adjacent metals

Having composition, density, or hardness gradient

428336, 428694T, 428694TS, 428694TP, 428694TF, 428900, G11B 566

Patent

active

058174290

ABSTRACT:
A magnetic recording medium comprising a substrate and a magnetic layer, wherein the magnetic layer is an Fe--N--O magnetic layer, and a distribution of N density in a depth direction of said Fe--N--O magnetic layer has a maximum value N1 in an intermediate layer section of said Fe--N--O magnetic layer, and the maximum value N1 ranges from 20 to 50 at. %, and an area where a density value is equal to or more than half of said maximum value N1 ranges from 100 to 500 .ANG. in a depth direction of said Fe--N--O magnetic layer. The magnetic recording medium has an excellent C/N.

REFERENCES:
patent: 4873154 (1989-10-01), Yosunaga
patent: 5538802 (1996-07-01), Kitaori

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