Method of preliminarily smoothing a magnetic disk drive head dur

Details Method of preliminarily smoothing a magnetic disk drive head dur Method of preliminarily smoothing a magnetic disk drive head dur

1997-05-21

1999-03-30

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360 9701, G11B 542

Patent

active

058873368

ABSTRACT:
A magnetic disk drive having at least a contact magnetic head and at least a magnetic disk including a recording area and an abrasion promoting area is preliminarily operated after the magnetic head and the magnetic disk are mounted thereon and prior to a normal recording and reproducing operation thereof, to abrade the magnetic head by using the abrasion promoting area. The abrasion promoting area is provided by making its surface roughness larger than that of the recording area by forming a lubricant film on only the recording area. By preliminarily abrading the magnetic head by means of the abrasion promoting area, a contact of the magnetic head with the magnetic disk is improve and a desired recording and reproducing characteristics of the magnetic disk drive is obtained.

REFERENCES:
patent: 3648361 (1972-03-01), Yagi et al.
patent: 5083365 (1992-01-01), Matsumoto
patent: 5285343 (1994-02-01), Tanaka et al.
patent: 5427833 (1995-06-01), Nakayama et al.
"Diamond Burnishing Head for Reduction of Disk Asperities in Magnetic Recording Disks", IBM Technical Disclosure Bulletin, vol. 27, No. 10A, Mar. 1985, p. 5553.
"Magnetic Recording Disk with High Start/Stop Durablility and Low Magnetic Errors", IBM Technical Disclosure Bulletin, vol. 23, No. 1, Jun. 1980, p. 306.

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