Disk device
A disk device according to an embodiment includes a first substrate, a second substrate, a holder, and a lead. The first substrate includes a first pad. The second substrate includes a second pad. The holder provided with a passage and a recess. The passage opens in a first direction. The recess communicates with an end of the passage in a second direction and opens in the second direction and a third direction. The lead includes a first part, a second part, a first terminal, a second terminal, and a third part. The first terminal extends from an end of the first part in a third direction. The second terminal extends from an end of the second part in the third direction. The third part is disposed in the recess and connects the first part and the second part. The passage extends between the second part and the second substrate.
1 . A disk device comprising:
a first substrate that includes a first pad;
a second substrate that includes a second pad and is spaced apart from the first substrate in a first direction;
a holder located between the first substrate and the second substrate, the holder provided with
a passage opening in the first direction, and
a recess communicating with an end of the passage in a second direction opposite the first direction and opening in the second direction and in a third direction that intersects the second direction; and
a lead that includes
a first part spaced apart from the first substrate and the second substrate,
a second part spaced apart from the first substrate and the second substrate, and spaced apart from the first part in the first direction,
a first terminal that extends from an end of the first part in the third direction to abut on the first pad,
a second terminal that extends from an end of the second part in the third direction to be joined to the second pad, and
a third part that is disposed in the recess and connects an end of the first part and an end of the second part in a fourth direction opposite the third direction, wherein the passage extends between the second part and the second substrate.
2 . The disk device according to claim 1 , wherein
the third part is attached to the holder.
3 . The disk device according to claim 2 , wherein
the holder has two first side surfaces that face each other to define the recess,
the third part has
two opposing edges that face the two first side surfaces, and
a plurality of protrusions that protrudes from the two edges to abut on the two first side surfaces, and
the third part is held between the two first side surfaces.
4 . The disk device according to claim 3 , wherein
the second part is at least partially disposed in the recess, and is spaced apart from the two first side surfaces.
5 . The disk device according to claim 1 , wherein
at least a part of the first part, at least a part of the second part, the first terminal, and the second terminal are located outside the recess.
6 . The disk device according to claim 1 , wherein
the holder has two first side surfaces that face each other to define the recess, and
the holder is provided with a first through hole opening to at least one of the two first side surfaces.
7 . The disk device according to claim 1 , wherein
the holder has a second side surface at an end of the recess in the fourth direction, the second side surface facing the third part, and
the holder is provided with a flow path opening to the second side surface.
8 . The disk device according to claim 7 , wherein
the third part is provided with a second through hole communicating with the flow path.
9 . The disk device according to claim 1 , wherein
the holder has two first side surfaces that face each other, and a second side surface that connects ends of the two first side surfaces in the fourth direction, and
the two first side surfaces and the second side surface define the passage and the recess.
10 . The disk device according to claim 1 , wherein
the holder has a wall located in-between the second part and the second substrate, and
the passage penetrates the wall.
11 . The disk device according to claim 10 , wherein
the second part is provided with a third through hole communicating with the passage.
12 . The disk device according to claim 1 , wherein
the lead is elastically deformed so that the first part and the second part are closer to each other.
13 . The disk device according to claim 1 , wherein
the passage is open in a fifth direction that intersects the first direction and the third direction.
14 . The disk device according to claim 1 , wherein
the holder has a bottom surface that faces the second substrate with a gap, and
the passage communicates with the gap.
15 . The disk device according to claim 1 , further comprising:
a magnetic disk;
a magnetic head configured to read and write information from and to the magnetic disk;
a housing provided with an internal space in which the magnetic disk and the magnetic head are disposed, and a fourth through hole that allows the internal space to communicate with an outside; and
a controller located outside the housing and configured to control the magnetic head, wherein
the first substrate closes the fourth through hole, and
the second substrate includes a flexible printed wiring board.
16 . A disk device comprising:
a first substrate that includes a first pad;
a second substrate that includes a second pad and is spaced apart from the first substrate;
a holder located between the first substrate and the second substrate, the holder having
a first end surface that faces the first substrate,
a second end surface that faces the second substrate, and
an outer surface that extends between the first end surface and the second end surface,
the holder being provided with a groove dented from the outer surface in a direction and opening to the first end surface and the second end surface; and
a lead attached to the holder, the lead including
a first terminal that abuts on the first pad,
a second terminal joined to the second pad, and
a fourth part disposed in the groove between the first terminal and the second terminal, wherein
the holder has an inner end surface at an end of the groove in the direction, the inner end surface extending straight between the first end surface and the second end surface.
17 . A disk device comprising:
a first substrate that includes a first pad;
a second substrate that includes a second pad and is spaced apart from the first substrate;
a holder located between the first substrate and the second substrate, the holder having
a first end surface that faces the first substrate,
a second end surface that faces the second substrate,
an outer surface that extends between the first end surface and the second end surface,
the holder being provided with a recess opening to the first end surface and the outer surface, and a through hole opening to the second end surface and communicating with the recess; and
a lead attached to the holder, including
a first terminal that abuts on the first pad,
a second terminal joined to the second pad, and
a fourth part disposed in the recess between the first terminal and the second terminal.