Disk drive

摘要

A small-sized disc device of a card type has a housing (21) for containing a disc on which informations are recorded, and a connector provided outside the housing (21) and connected to electronic circuits in the housing (21). In the housing (21) provided are a disc drive part for rotating the disc, a head mechanism for writing/reading informations on/from the disc, and electronic circuits including an interface circuit (39). A write/read circuit (36) and a control circuit (38) are preferably included in the electronic circuits. The housing (21) preferably comprises a base (22) and a top cover (23). On the inner side of one of the base (22) and the cover (23) or on both the inner sides of them, printed circuit boards are provided. The outside dimensions of the disc device are preferably about 85.6 x 54 mm, and the thickness of the device is typically 5 mm. The connector (42) is preferably provided on one of the short sides of the housing(21). Further, the connector (42) is provided on the about central part in the thickness direction of the housing (21), and is fastened to the short side which opposes the head mechanism part which respect to the disc.