A compact card type disk a drive includes a housing (21) for accommodating a disk for storing data, a disk drive for rotating the disk, head assembly for writing and reading data to and from the disk and an electronic circuit including at least an interface circuit (39), the latter three being accommodated...http://www.google.se/patents/US6016237?utm_source=gb-gplus-sharePatent US6016237 - Shaft construction of a disk drive
