Magnetic recording medium and manufacturing the same

Details Magnetic recording medium and manufacturing the same Magnetic recording medium and manufacturing the same

1994-06-17

1996-10-01

Kiliman, Leszek

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428408, 428 653, 428694T, 428694ST, 428694SG, 428900, 427129, 427130, 427131, 360131, 360135, 2041921, 205674, G11B 566, B32B 310, B32B 300

Patent

active

055609775

ABSTRACT:
An object of the present invention is to offer a magnetic recording medium comprising a substrate and a magnetic film formed on the substrate, wherein the substrate is formed using a conductive material and a surface of said substrate is processed by electroetching. As this magnetic recording medium has excellent surface characteristics, excellent durability and small spacing loss, its recording and play back characteristics are excellent.

REFERENCES:
patent: 4833001 (1989-05-01), Kijima
patent: 5119258 (1992-06-01), Tsai
patent: 5326607 (1994-07-01), Muramatsu

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