Electronic device
According to one embodiment, an electronic device includes a casing, a flexible wiring member, and a first electrical component, for example. The casing is provided with an opening. The flexible wiring member includes an insulating film, a lead mounted on the insulating film, and a connection terminal, and extends through the opening. The sealant is filled in the opening. The first electrical component is encapsulated by the casing and electrically connected to a second electrical component outside the casing through the flexible wiring member.
1. A hard disk drive comprising:
a casing provided with an opening;
a flexible wiring member that extends through the opening;
a sealant filling the opening; and
an outer electrical component being outside the casing and electrically connected to the flexible wiring member.
2. The hard disk drive according to claim 1 , wherein the casing is hermetically sealed.
3. The hard disk drive according to claim 2 , wherein the casing is filled with gas different from air.
4. The hard disk drive according to claim 3 , wherein the gas includes helium.
5. The hard disk drive according to claim 1 , wherein the flexible wiring member comprises two flexible wiring members which extend in directions away from each other in at least outside of the casing.
6. The hard disk drive according to claim 5 , wherein the two flexible wiring members are coupled in the opening.
7. The hard disk drive according to claim 6 , further comprising:
a connection interposed between and coupling the two flexible wiring members in the opening.
8. The hard disk drive according to claim 7 , wherein the two flexible wiring members are electrically connected through a conductive portion which extends through a via in the connection.
9. The hard disk drive according to claim 7 , wherein the connection has insulating property.
10. The hard disk drive according to claim 1 , wherein the flexible wiring member is provided on an outer face of the casing.
11. The hard disk drive according to claim 1 , wherein the flexible wiring member is a flexible printed circuit board.
12. The hard disk drive according to claim 1 , wherein the outer electrical component includes a circuit board mounted on an outer face of the casing, and a connector mounted on the circuit board and electrically connected to the flexible wiring member.
13. The hard disk drive according to claim 12 , wherein the connector includes an elastic contact that is elastically deformed and electrically connected to a contact on the flexible wiring member.
14. The hard disk drive according to claim 13 , wherein the contact includes two rows of contacts.
15. The hard disk drive according to claim 12 , further comprising one of a magnetic head and a voice coil motor, wherein a signal is transmitted between the circuit board and the one of the magnetic head and the voice coil motor through the flexible wiring member.
16. The hard disk drive according to claim 1 , wherein the casing hermetically accommodates a disk, a magnetic head, and an actuator.
17. The hard disk drive according to claim 1 , wherein a part of the flexible wiring member is in the opening.
18. The hard disk drive according to claim 1 , wherein the opening has a part in which a width of the part widens toward inside or outside of the casing.
19. A hard disk drive comprising:
a casing provided with an opening;
a partition wall provided above the opening and positioned inside or outside an outer face of the casing;
a flexible wiring member fixed at least partially to the partition wall, comprising a part exposed to outside the casing, the flexible wiring member extending through a gap between the partition wall and the casing;
an outer electrical component being outside the casing and electrically connected to the flexible wiring member; and
a sealant filling the gap.
20. The hard disk drive according to claim 19 , wherein the flexible wiring member comprises a fixed part fixed to an outer face of the partition wall.
21. The hard disk drive according to claim 20 , wherein the flexible wiring member is connected to the outer electrical component with a spacing from the fixed part.
22. A hard disk drive comprising:
a casing provided with an opening;
a partition wall provided above the opening;
a flexible wiring member fixed at least partially to the partition wall, comprising a part exposed to outside the casing; and
an outer electrical component being outside the casing and electrically connected to the flexible wiring member,
wherein:
the flexible wiring member comprises a fixed part fixed to an outer face of the partition wall,
the flexible wiring member comprises two flexible wiring members that are coupled to each other, and
the fixed part of one of the two flexible wiring members and the fixed part of the other of the two flexible wiring members extend from a joint between the two flexible wiring members in directions away from each other.
23. The hard disk drive according to claim 22 , wherein each of the two flexible wiring members comprises a conductor layer spaced away from a bent part of the flexible wiring member.