Device and method for smoothening surfaces of disks for disk mem

Details Device and method for smoothening surfaces of disks for disk mem Device and method for smoothening surfaces of disks for disk mem

1980-09-04

1982-05-25

Hinson, Harrison L.

Metal working

Burnishing

Of water laid fibrous article

B21C 3730

Patent

active

043309100

ABSTRACT:
Disk surfaces for magnetic disk memories used in data processing systems are smoothened by a burnishing-like device consisting of a circular-cylindrical-shaped body (sliding block) having opposing flat base surfaces with at least one sharp-edged groove positioned on at least one of the base surfaces. This smoothening device is pressed manually or by a support mount similar to a magnetic data-head support mount of a magnetic disk memory against a disk surface while relative motion is provided between the device and the disk whereby the groove edges contact any surface irregularities on a disk surface being smoothened while the flat areas between the groove edges prevent undue disk surface damage.

REFERENCES:
patent: 442283 (1890-12-01), Bentor
patent: 1516268 (1924-11-01), Drissner
patent: 2296883 (1942-09-01), Trask
IBM Technical Disclosure Bulletin, vol. 17, No. 10, p. 3010, (Mar. 1975).

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