PACKAGE FOR A GLASS SUBSTRATE FOR A MAGNETIC DISK, METHOD OF PACKAGING A GLASS SUBSTRATE FOR A MAGNETIC DISK AND METHOD OF MANUFACTURING A MAGNETIC DISK

摘要

PACKAGE FOR A GLASS SUBSTRATE FOR A MAGNETIC DISK, METHOD OF PACKAGING A GLASS SUBSTRATE FORA MAGNETIC DISK AND METHOD OF MANUFACTURING A MAGNETIC DISK A double package 222 for a magnetic- disk glass substrate includes a case 200 that can accommodate one or more magnetic-disk glass substrates. The case 200 is sealed in a degassed state with a first packaging bag 210 made of an aluminum laminate film. A second packaging bag 220 made of a plastic film seals the first packaging bag 210 in a degassed state further from its outside. (Figs. 3A and 3B)