We will show how Toshiba's sprit of Innovation influenced the development of HDDs, allowing us to be the first in the world to realize certain technologies as well as those that opened up new markets.

* To access detailed descriptions of any of the following items, click the relevant link or number in the graph below.

The world's first hard disk drive to use glass platters (1991)

The world's first hard disk drive to use a GMR head (1998)

The world's first automotive hard disk drive (2001)

The world's smallest (0.85-inch) hard disk drive (2004)

The world's first perpendicular magnetic recording hard disk drive (2005)

Changes in Hard Disk Capacity

* The colors of the ovals in the graph represent the size of the hard disks listed above. The number of ovals indicates the number of platters used per hard disk.

Hard Disk Structure