Use of nickel-phosphorous undercoat for particulate media in mag

Details Use of nickel-phosphorous undercoat for particulate media in mag Use of nickel-phosphorous undercoat for particulate media in mag

1989-07-17

1990-05-29

Pianalto, Bernard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427129, 427130, 427131, 427132, 428 64, 428469, 428652, 428694, 428695, 428704, 428900, 428928, G11B 566

Patent

active

049294997

ABSTRACT:
An Ni-P (Nickel-Phophorous) undercoating is provided under particulate (spin-coated) magnetic media. Particulate media, largely due to the way it is applied to the disk, is less expensive than thin film media. Described are the systems and methods to utilize the undercoat for particulate media.

REFERENCES:
patent: 4551355 (1985-11-01), Ericson et al.
patent: 4698251 (1987-10-01), Fukuda et al.
patent: 4786564 (1988-11-01), Chen et al.
Data-Storage Technologies for Advanced Computing, Kryder, Mark H., Scientific American, vol. 257, No. 4, Oct., 1987, pp. 116-125.
Designers Guide to Disk Drives, Eidsmore and Hirshorn, Digital Design, Nov., 1983, pp. 40-63.

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