Patent ID: 6483660
Filing Date: 2002-11-19
Classification: G11B

Abstract:
A small memory unit with a hard disk comprising a housing having a predetermined single size corresponding to a PCMCIA form factor for a single hard disk having a predetermined diameter, a plurality of magnetic disks each having a diameter smaller than said predetermined diameter, a plurality of spindles for supporting and rotating said magnetic disks, a plurality of magnetic heads arranged face to face with the magnetic disk surfaces for writing and reading signals, at least one positioner for holding and setting the magnetic heads in position, and a housing for accommodating the foregoing components, wherein a plurality of the magnetic disks are arranged in the same plane without being overlapped with each other in said housing, wherein the size of said larger magnetic disk having a predetermined data area is 1.8 inch, and two 1.3-inch magnetic disks are arranged in a plane in a housing intended for said 1.8-inch disk.