Flexible magnetic memory disk with metallic hub and method of manufacturing same

摘要

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.