... of helium in HDDs. And a number of benefits have also been separately reported on the use of thin metal foil disk substrates as replacements for the HD substrates used in disk drive products (that utilize air as the working gas medium). The present work was initiated in order to provide some insight...

..., or other air-bearing structure on the nondata side of the disk. A metal foil disk offers some of the best characteristics of both the hard disk and floppy disk for digital data storage. It offers hard disk recording densities, increased shock resistance, reduced manufacturing cost, and requires less...