Flexible magnetic memory disk with metallic hub and method of ma

Details Flexible magnetic memory disk with metallic hub and method of ma Flexible magnetic memory disk with metallic hub and method of ma

1982-12-20

1985-12-31

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

045625050

ABSTRACT:
A disk has a central aperture and a metallic hub has an annular flange abuting one side of the disk. A boss projects from the annular flange through the central aperture. A retainer ring fits about the boss and abuts the side of the disk opposite from the annular flange. A plurality of laser welds extend between the annular flange and the retainer ring to bond the disk in place therebetween.

REFERENCES:
patent: 4224648 (1980-09-01), Roling
patent: 4317150 (1982-02-01), Gruss et al.

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