Disk device

Abstract

According to one embodiment, a disk device includes a box-shaped case, which contains a disk-shaped recording medium, a drive motor which supports and rotates the recording medium, a head which performs information processing for the recording medium, and a head actuator which moves the head with respect to the recording medium. The disk device has a connection cable pulled out from the case onto an outer surface of the case, a control circuit board provided opposite the outer surface of the case, and a relay flexible printed circuit board which electrically connects the connection cable and the control circuit board.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

A general architecture that implements the various features of the invention will now be described with reference to the drawings. The drawings and the associated descriptions are provided to illustrate embodiments of the invention and not to limit the scope of the invention.

FIG. 1 is an exemplary perspective view showing an HDD according to a first embodiment of the invention;

FIG. 2 is an exemplary exploded perspective view of the HDD;

FIG. 3 is an exemplary plan view showing a case and an internal structure of the HDD;

FIG. 4 is an exemplary exploded perspective view showing the control circuit board side of the HDD and FPCs for connection;

FIG. 5 is an exemplary perspective view showing the control circuit board side of the HDD;

FIG. 6 is an exemplary sectional view of the HDD taken along line VI-VI of FIG. 5; and

FIG. 7 is an exemplary sectional view of an HDD according to a second embodiment of the invention.

Claims

1. A disk device comprising: a box-shaped case;a disk-shaped recording medium located in the case;a drive motor which is located in the case and supports and rotates the recording medium;a head which performs information processing for the recording medium;a head actuator which is provided in the case, supports the head for movement, and moves the head with respect to the recording medium;a connection cable pulled out from the case onto an outer surface of the case;a control circuit board provided opposite the outer surface of the case; anda relay flexible printed circuit board which electrically connects the connection cable and the control circuit board.

2. The disk device according to claim 1, wherein the connection cable includes a first connection cable connected to the head actuator.

3. The disk device according to claim 1, wherein the connection cable includes a second connection cable connected to the drive motor.

4. The disk device according to claim 1, wherein the control circuit board has a mounting surface which is mounted with a plurality of electronic components and opposed to the outer surface of the case and a non-mounting surface which is provided with a plurality of pads and situated on the opposite side from the outer surface of the case, the connection cable has a plurality of connection pads exposed on the outer surface of the case, and the relay flexible printed circuit board has a first connection pad in contact with the control circuit board and a second connection pad in contact with the connection pads of the connection cable.

5. The disk device according to claim 1, further comprising a bottom cover which is attached to the case so as to cover the control circuit board and the relay flexible printed circuit board and presses the relay flexible printed circuit board against the control circuit board and the connection cable.

6. The disk device according to claim 5, wherein the case has a bottom wall opposed to the control circuit board and a plurality of side walls set up on the bottom wall, the connection cable extends along the bottom wall and the side walls of the case, and the connection pads of the connection cable are situated on the side walls.

7. The disk device according to claim 5, wherein the relay flexible printed circuit board is joined to the control circuit board.

8. The disk device according to claim 5, wherein the relay flexible printed circuit board is fixed to the bottom cover.

9. The disk device according to claim 1, further comprising an interface cable having a proximal end portion, which is held between the control circuit board and the bottom cover and electrically connected to the control circuit board, an extending portion extending from the proximal end portion toward the outside of the case, and a connection terminal connectable to an external device.

10. The disk device according to claim 1, wherein the case and the control circuit board are formed in a manner such that a longitudinal dimension thereof is about 32 mm, a transverse dimension thereof is about 24 mm, and a thickness including the case and the control circuit board ranges from about 3.3 to 5 mm.

11. The disk device according to claim 1, wherein the recording medium is formed having a diameter of 1 inch or less.

12. A disk device comprising: a case;a disk-shaped recording medium located in the case;a head which performs information processing for the recording medium;a mechanical section which is located in the case and drives the recording medium and the head; anda control circuit board provided opposite the outer surface of the case, the control circuit board being mechanically and electrically connected to the mechanical section without using a connector.

13. The disk device according to claim 12, wherein the mechanical section comprises a spindle motor which is located in the case and supports and rotates the recording medium, and a head actuator which is provided in the case, supports the head for movement, and moves the head with respect to the recording medium.