Disk drive

Abstract

To provide a disk device capable of suppressing obstruction of a flow of a cleaning liquid.SOLUTION: A disk device according to one embodiment includes a first substrate, a second substrate, a holder, and a lead. The first substrate includes a first pad. The second substrate has a second pad. The holder is provided with a passage opened in a first direction, and a recess communicating with an end of the passage in a second direction and opened in a third direction and the second direction. The lead includes a first portion, a second portion, a first terminal extending from an end of the first portion in the third direction toward the first pad, a second terminal extending from an end of the second portion in the third direction toward the second pad, and a third portion disposed in the recess and connecting the first portion and the second portion. The passage is provided between the second portion and the second substrate.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a disk drive. [Background technology]

[0002] In a disk device such as a hard disk drive, a connector is mounted on a substrate such as a flexible printed circuit board that electrically connects a controller and a magnetic head. The connector has conductive leads and a holder that holds the leads. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2023-033148 Summary of the Invention [Problem to be solved by the invention]

[0004] When a magnetic disk drive is cleaned with a cleaning liquid, the flow of the cleaning liquid may be obstructed at the connector.

[0005] One example of a problem to be solved by the present invention is to provide a disk drive that can prevent the flow of cleaning liquid from being obstructed. [Means for solving the problem]

[0006] A disk drive according to one embodiment includes a first substrate, a second substrate, a holder, and leads. The first substrate has first pads. The second substrate has second pads and is spaced apart from the first substrate in a first direction. The holder is located between the first and second substrates and has a passage that opens in the first direction and a recess that communicates with an end of the passage in a second direction opposite to the first direction and is open in the second direction and a third direction intersecting the second direction. The lead has a first portion spaced apart from the first substrate and the second substrate, a second portion spaced apart from the first substrate and the second substrate and spaced apart from the first portion in the first direction, a first terminal extending from an end of the first portion in the third direction toward the first pad and abutting the first pad, a second terminal extending from an end of the second portion in the third direction toward the second pad and joined to the second pad, and a third portion disposed in the recess and connecting an end of the first portion to an end of the second portion in a fourth direction opposite the third direction. The passage is provided between the second portion and the second substrate. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 is an exemplary perspective view showing an exploded HDD according to the first embodiment. [Figure 2] FIG. 2 is an exemplary cross-sectional view showing a part of the HDD of the first embodiment. [Figure 3] FIG. 3 is an exemplary perspective view illustrating the relay connector of the first embodiment. [Figure 4] FIG. 4 is an exemplary side view illustrating the relay connector of the first embodiment. [Figure 5] FIG. 5 is an exemplary cross-sectional view showing a part of an HDD according to the second embodiment. [Figure 6] FIG. 6 is an exemplary side view showing the relay connector according to the third embodiment. [Figure 7]FIG. 7 is an exemplary cross-sectional view showing a part of the HDD of the third embodiment taken along line F7-F7 in FIG. [Figure 8] FIG. 8 is an exemplary side view showing the relay connector according to the fourth embodiment. [Figure 9] FIG. 9 is an exemplary cross-sectional view showing a part of the HDD of the fourth embodiment taken along line F9-F9 in FIG. [Figure 10] FIG. 10 is an exemplary side view showing the relay connector according to the fifth embodiment. [Figure 11] FIG. 11 is an exemplary cross-sectional view showing a part of the HDD of the fifth embodiment taken along line F11-F11 in FIG. [Figure 12] FIG. 12 is an exemplary cross-sectional view showing a part of an HDD according to the sixth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0008] (First embodiment) The first embodiment will be described below with reference to FIGS. 1 to 4. In this specification, components according to the embodiment and descriptions of the components may be described using multiple expressions. The components and their descriptions are merely examples and are not limited by the expressions in this specification. The components may also be identified by names different from those in this specification. Furthermore, the components may also be described using expressions different from those in this specification.

[0009] In the following description, "suppress" is defined as, for example, preventing an event, action, or influence from occurring, or reducing the severity of an event, action, or influence. Also, in the following description, "restrict" is defined as, for example, preventing movement or rotation, or allowing movement or rotation within a predetermined range and preventing movement or rotation beyond the predetermined range.

[0010] 1 is an exemplary exploded perspective view of a hard disk drive (HDD) 10 according to a first embodiment. The HDD 10 is an example of a disk device, and may also be referred to as an electronic device, a storage device, an external storage device, or a magnetic disk device. Note that the disk device is not limited to the HDD 10.

[0011] As shown in the drawings, for convenience, the X-axis, Y-axis, and Z-axis are defined in this specification. The X-axis, Y-axis, and Z-axis are perpendicular to one another. The X-axis is aligned along the width of the HDD 10. The Y-axis is aligned along the length of the HDD 10. The Z-axis is aligned along the thickness of the HDD 10.

[0012] Furthermore, in this specification, the X direction, Y direction, and Z direction are defined. The X direction is a direction along the X axis, and includes the +X direction indicated by the X axis arrow and the -X direction opposite to the X axis arrow. The Y direction is a direction along the Y axis, and includes the +Y direction indicated by the Y axis arrow and the -Y direction opposite to the Y axis arrow. The Z direction is a direction along the Z axis, and includes the +Z direction indicated by the Z axis arrow and the -Z direction opposite to the Z axis arrow.

[0013] 1, the HDD 10 includes a housing 11, multiple magnetic disks 12, a spindle motor 13, a head stack assembly (HSA) 14, a voice coil motor (VCM) 15, a ramp load mechanism 16, a printed circuit board (PCB) 17, and a relay unit 18. The magnetic disks 12 may also be referred to as disks, media, or platters.

[0014] The housing 11 is formed in a box shape with an internal space S. The multiple magnetic disks 12, the spindle motor 13, the HSA 14, the VCM 15, and the ramp load mechanism 16 are arranged in the internal space S.

[0015] The housing 11 has a base 21, an inner cover 22, and an outer cover 23. However, the housing 11 is not limited to this example. The base 21, the inner cover 22, and the outer cover 23 are each made of a metal material such as an aluminum alloy. However, the materials of the base 21, the inner cover 22, and the outer cover 23 may be different from each other.

[0016] The base 21 is formed in the shape of a substantially rectangular parallelepiped box that is open in the +Z direction. An internal space S is provided inside the base 21. The base 21 has a bottom wall 25 and side walls 26. The bottom wall 25 is formed in the shape of a substantially rectangular (quadrilateral) plate. The side walls 26 protrude from the edge of the bottom wall 25 in the substantially +Z direction and are formed in the shape of a substantially rectangular frame.

[0017] The inner cover 22 is attached to the end of the side wall 26 in the +Z direction by, for example, screws, and closes the internal space S. The outer cover 23 covers the inner cover 22, and is attached to the end of the side wall 26 in the +Z direction by, for example, welding.

[0018] An air vent 27 is provided in the inner cover 22. Furthermore, an air vent 28 is provided in the outer cover 23. After components are attached inside the base 21 and the inner cover 22 and the outer cover 23 are attached to the base 21, air inside the housing 11 is evacuated through the air vents 27 and 28. Furthermore, the inside of the housing 11 is filled with a gas other than air.

[0019] The gas filled inside the housing 11 is, for example, a low-density gas with a density lower than air, an inert gas with low reactivity, or the like. For example, helium is filled inside the housing 11. Note that other fluids may also be filled inside the housing 11. Furthermore, the inside of the housing 11 may be kept at a vacuum, a low pressure close to a vacuum, or a negative pressure lower than atmospheric pressure.

[0020] The vent hole 28 of the outer cover 23 is closed by a seal 29. The seal 29 airtightly seals the vent hole 28 and restricts the fluid filled inside the housing 11 from leaking from the vent hole 28 to the outside of the housing 11.

[0021] The plurality of magnetic disks 12 are formed in a disk shape and arranged substantially parallel to the bottom wall 25. The plurality of magnetic disks 12 are arranged in the Z direction with intervals therebetween. The HDD 10 of this embodiment has, for example, ten or more magnetic disks 12. Note that the number of magnetic disks 12 is not limited to this example.

[0022] The spindle motor 13 supports the plurality of magnetic disks 12. The plurality of magnetic disks 12 are held on the hub of the spindle motor 13 by, for example, clamp springs. The spindle motor 13 rotates the plurality of magnetic disks 12.

[0023] A support shaft 31 is provided in the housing 11 and is spaced apart from the magnetic disk 12. The support shaft 31 extends, for example, from the bottom wall 25 of the housing 11 in approximately the +Z direction. The HSA 14 is rotatably supported by the support shaft 31.

[0024] The HSA 14 includes a carriage 35, a plurality of head gimbal assemblies (HGA) 36, and a flexible printed circuit board (FPC) 37. The FPC is an example of a second substrate. The carriage 35 includes an actuator block 41 and a plurality of arms 42.

[0025] The actuator block 41 and the arms 42 are integrally formed from, for example, an aluminum alloy, although the materials for the actuator block 41 and the arms 42 are not limited to this example.

[0026] The actuator block 41 is supported on the support shaft 31 via a bearing so as to be rotatable around the support shaft 31. A plurality of arms 42 protrude from the actuator block 41 in approximately parallel relation.

[0027] The arms 42 are arranged at intervals in the Z direction. Each of the arms 42 can enter the gap between two adjacent magnetic disks 12 among the magnetic disks 12.

[0028] The VCM 15 has a voice coil attached to the carriage 35, a pair of yokes, and a magnet provided in the yoke. The VCM 15 rotates the carriage 35 around the support shaft 31.

[0029] Each of the multiple HGAs 36 has a base plate 45, a load beam 46, a flexure 47, and a magnetic head 48. The magnetic head 48 may also be referred to as a slider. The base plate 45 is attached to the tip of the arm 42. The load beam 46 is formed thinner than the base plate 45 and extends from the base plate 45.

[0030] The flexure 47 is formed in a long, narrow strip shape. However, the shape of the flexure 47 is not limited to this example. The flexure 47 is a type of FPC that includes a metal plate (backing layer) such as stainless steel, an insulating layer (base layer) formed on the metal plate, a conductive layer formed on the insulating layer and constituting a plurality of wirings (wiring patterns), and an insulating layer (cover layer) that covers the conductive layer.

[0031] A displaceable gimbal portion (elastic support portion) is provided at one end of the flexure 47 and is positioned on the load beam 46. The magnetic head 48 is mounted on the gimbal portion of the flexure 47. The magnetic head 48 records and reproduces information on the recording layer of the magnetic disk 12. In other words, the magnetic head 48 reads and writes information from and to the magnetic disk 12.

[0032] The VCM 15 rotates the carriage 35 to position the magnetic head 48 at a desired position on the magnetic disk 12. When the magnetic head 48 moves to the outermost periphery of the magnetic disk 12, the ramp load mechanism 16 holds the magnetic head 48 at an unload position spaced apart from the magnetic disk 12.

[0033] The FPC 37 is connected to the other end of the flexure 47. For example, a plurality of flexures 47 are connected to the FPC 37. As a result, the FPC 37 is electrically connected to a plurality of magnetic heads 48 via the wiring of the plurality of flexures 47.

[0034] The PCB 17 is located outside the housing 11. The PCB 17 has a printed wiring board (PWB) 51, an interface (I / F) connector 52, and a controller 53. The PCB 17 may further have other components.

[0035] The PWB 51 is a rigid board such as a glass epoxy board, and is a multi-layer board or a build-up board. The PWB 51 is attached to the bottom wall 25 of the base 21 by screws, for example. The I / F connector 52 and the controller 53 are mounted on the PWB 51.

[0036] The I / F connector 52 is a connector that complies with an interface standard such as Serial ATA (SATA), and is connected to an I / F connector of a host computer.

[0037] The controller 53 is, for example, a system on chip (SoC) and includes a read / write channel (RWC), a hard disk controller (HDC), and a processor. Note that the controller 53 may include multiple components individually provided on the PWB 51.

[0038] The PCB 17 is electrically connected to various components arranged inside the housing 11 through the relay unit 18. For example, the controller 53 of the PCB 17 is electrically connected to the spindle motor 13, the VCM 15, the FPC 37, and the magnetic head 48.

[0039] 2 is an exemplary cross-sectional view showing a portion of the HDD 10 according to the first embodiment. As shown in FIG. 2, the relay unit 18 includes a relay substrate 61 and three relay connectors 62, 63, and 64. The relay substrate 61 is an example of a first substrate.

[0040] The relay substrate 61 is a rigid substrate such as a glass epoxy substrate, and is a multilayer substrate or a build-up substrate. The relay substrate 61 has two surfaces 71 and 72 and a plurality of pads 73 and 74. The pad 73 is an example of a first pad.

[0041] Surfaces 71 and 72 are formed to be approximately flat. Surface 71 faces approximately in the +Z direction. Surface 72 is located opposite surface 71 and faces approximately in the -Z direction. A plurality of pads 73 are provided on surface 71. A plurality of pads 74 are provided on surface 72. The plurality of pads 73 and the plurality of pads 74 are electrically connected to each other by, for example, vias.

[0042] A through hole H is provided in the bottom wall 25 of the base 21. The through hole H is an example of a fourth through hole. The through hole H penetrates the bottom wall 25 substantially in the Z direction, and connects the internal space S to the outside of the housing 11. The relay substrate 61 is attached to the bottom wall 25 and airtightly closes the through hole H. For example, a surface 71 is attached to the bottom wall 25.

[0043] The relay connector 62 is mounted on the PWB 51. The relay connector 63 is mounted on a surface 72 of the relay board 61. Terminals of the relay connector 63 are joined to a plurality of pads 74 by, for example, soldering. The two relay connectors 62, 63 fit together.

[0044] The relay connector 64 is a so-called compression connector, and is mounted on the FPC 37. The FPC 37 has two surfaces 81 and 82 and a plurality of pads 83. The pads 83 are an example of second pads.

[0045] The surfaces 81 and 82 and the pads 83 are provided on one end of the FPC 37. As described above, multiple flexures 47 are connected to the other end of the FPC 37. The surfaces 81 and 82 are formed to be approximately flat. The surface 81 faces approximately in the +Z direction. The surface 82 is located on the opposite side of the surface 81 and faces approximately in the -Z direction. The multiple pads 83 are provided on the surface 82.

[0046] A reinforcing plate 85 is attached to one end of the FPC 37. The reinforcing plate 85 is attached to the surface 81, for example. The reinforcing plate 85 keeps the surfaces 81 and 82 substantially flat, and supports the relay connector 64 via the FPC 37. One end of the FPC 37, together with the reinforcing plate 85, is attached to the bottom wall 25, for example, by screws.

[0047] One end of the FPC 37 is spaced apart from the relay substrate 61 in the +Z direction. The +Z direction is an example of a first direction. A surface 71 of the relay substrate 61 and a surface 82 of the FPC 37 face each other through a through hole H, for example.

[0048] Fig. 3 is an exemplary perspective view showing the relay connector 64 of the first embodiment. Fig. 4 is an exemplary side view showing the relay connector 64 of the first embodiment. Fig. 2 shows a cross section of a portion of the HDD 10 along the line F2-F2 shown in Fig. 4.

[0049] Fig. 4 shows the FPC 37 and relay board 61 in virtual form using two-dot chain lines. As shown in Fig. 4, relay connector 64 is located between one end of FPC 37 and relay board 61. As shown in Fig. 3, relay connector 64 has a holder 91 and a plurality of leads 92. Holder 91 may also be referred to as a housing or a case.

[0050] Holder 91 holds a plurality of leads 92. In other words, the plurality of leads 92 are attached to holder 91. As shown in Fig. 2, the plurality of leads 92 are joined to pads 83 of FPC 37 by solder 93. In this way, relay connector 64 is mounted on surface 82 of FPC 37. Note that relay connector 64 may also be mounted on surface 71 of relay board 61.

[0051] The leads 92 electrically connect the pads 83 of the FPC 37 to the pads 73 of the relay board 61 through the through holes H. As a result, the controller 53 is electrically connected to the magnetic head 48 through the PWB 51, the relay connectors 62 and 63, the relay board 61, the relay connector 64, the FPC 37, and the flexure 47. The controller 53 controls the magnetic head 48.

[0052] The holder 91 is formed, for example, in a substantially rectangular parallelepiped shape extending in the X direction. The holder 91 is made of, for example, a synthetic resin such as an LCP resin. However, the shape and material of the holder 91 are not limited to this example.

[0053] As shown in Fig. 4, the holder 91 has a top surface 101, a bottom surface 102, two outer surfaces 103, and two end surfaces 104. In this embodiment, the terms "top" and "bottom" are used for convenience based on the arrangement shown in Fig. 4, for example, and do not limit the position, orientation, or usage mode. The top surface 101 is an example of a first end surface. The bottom surface 102 is an example of a second end surface.

[0054] The top surface 101, the bottom surface 102, the outer surface 103, and the end surface 104 are formed to be approximately flat. The top surface 101, the bottom surface 102, the outer surface 103, and the end surface 104 may be curved or may have irregularities.

[0055] 2, the top surface 101 faces approximately in the -Z direction. The top surface 101 and the surface 71 of the relay board 61 face each other. The bottom surface 102 is located on the opposite side of the top surface 101 and faces approximately in the +Z direction. The bottom surface 102 and the surface 82 of the FPC 37 face each other. The bottom surface 102 may be supported by the surface 82.

[0056] The two outer surfaces 103 are provided on both ends of the holder 91 in the Y direction and extend approximately in the Z direction between the top surface 101 and the bottom surface 102. One outer surface 103 faces approximately in the +Y direction, and the other outer surface 103 faces approximately in the -Y direction.

[0057] 4, the two end faces 104 are provided on both ends of the holder 91 in the X direction and extend approximately in the Z direction between the top face 101 and the bottom face 102. One end face 104 faces approximately in the +X direction, and the other end face 104 faces approximately in the -X direction.

[0058] The holder 91 is provided with a plurality of grooves 111 and two through holes 112. The through holes 112 are an example of a flow path. The number of through holes 112 is not limited to this example. A plurality of leads 92 are fitted into the plurality of grooves 111.

[0059] 3, the multiple grooves 111 include multiple grooves 111R and multiple grooves 111L. The multiple grooves 111R and the multiple grooves 111L are formed in mirror symmetry with respect to the center of the holder 91 in the Y direction. The following mainly describes the grooves 111R and the leads 92 fitted in the grooves 111R. The grooves 111L and the leads 92 fitted in the grooves 111L can be understood by interchangeably referring to the +Y direction and the -Y direction in the descriptions of the grooves 111R and the leads 92.

[0060] 2, in this embodiment, each of the plurality of grooves 111R is recessed in the +Y direction from the outer surface 103 facing the -Y direction. The +Y direction is an example of a recessed direction. The grooves 111R are provided from the top surface 101 to the bottom surface 102.

[0061] Each of the multiple grooves 111R opens to the top surface 101, the bottom surface 102, and the outer surface 103 facing the -Y direction. In other words, each of the multiple grooves 111R opens to the -Y direction, the +Z direction, and the -Z direction. The -Z direction is an example of a second direction. The -Y direction is an example of a third direction. The +Y direction is an example of a fourth direction.

[0062] 3, the plurality of grooves 111R are aligned in the Y direction. The plurality of grooves 111L are also aligned in the Y direction. In other words, the plurality of grooves 111 are aligned in two rows in the Y direction. Therefore, the holder 91 has a plurality of side walls 114. Each of the plurality of grooves 111 is provided between two adjacent ones of the plurality of side walls 114.

[0063] As shown in FIG. 2, each of the multiple grooves 111 has a lower groove (lower groove / lower recess) 115 and an upper groove (upper groove / upper recess) 116. The lower groove 115 is an example of a passage. The upper groove 116 is an example of a recess. In FIG. 2, the lower groove 115 and the upper groove 116 are virtually separated by a two-dot chain line. The two-dot chain line shows the lower groove 115 and the upper groove 116 slightly smaller for ease of understanding.

[0064] The groove lower portion 115 is a part of the groove 111 in the Z direction, and the groove upper portion 116 is another part of the groove 111 in the Z direction. The groove lower portion 115 and the groove upper portion 116 are adjacent to each other in the Z direction. A cross section of the groove lower portion 115 perpendicular to the Z direction and a cross section of the groove upper portion 116 perpendicular to the Z direction are substantially identical to each other. Note that the groove lower portion 115 and the groove upper portion 116 are not limited to this example.

[0065] Groove lower portion 115 of groove 111R opens to bottom surface 102 and outer surface 103 facing the -Y direction. That is, groove lower portion 115 of groove 111R is open to the +Z direction and the -Y direction. Groove lower portion 115 extends from bottom surface 102 substantially in the -Z direction.

[0066] The groove upper portion 116 communicates with the end of the groove lower portion 115 in the -Z direction. In this embodiment, the groove upper portion 116 is continuous with the groove lower portion 115. The groove upper portion 116 of the groove 111R opens to the upper surface 101 and the outer surface 103 facing the -Y direction. That is, the groove upper portion 116 of the groove 111R is open in the -Z direction and the -Y direction. The groove upper portion 116 extends from the upper surface 101 substantially in the +Z direction.

[0067] 4, the holder 91 has a plurality of side surfaces 117, 118, and 119 that define the plurality of grooves 111, respectively. That is, the side surfaces 117, 118, and 119 define a groove lower portion 115 and a groove upper portion 116. The side surfaces 117 and 118 are an example of a first side surface. The side surface 119 is an example of a second side surface and an inner end surface.

[0068] The side surfaces 117, 118, and 119 are formed to be approximately flat. Therefore, the side surfaces 117, 118, and 119 extend straight between the top surface 101 and the bottom surface 102. The side surface 117 is provided at the end of the groove 111 in the -X direction and faces approximately in the +X direction. The side surface 118 is provided at the end of the groove 111 in the +X direction and faces approximately in the -X direction.

[0069] 2, side surface 119 of groove 111R is provided at the end of groove 111 (groove lower portion 115 and groove upper portion 116) in the +Y direction and faces approximately in the -Y direction. Side surface 119 connects the ends of two side surfaces 117 and 118 in the +Y direction.

[0070] The two side surfaces 117 and 118 face each other through the groove 111. The groove 111 is provided between the two side surfaces 117 and 118. That is, the two side surfaces 117 and 118 define the groove 111 (a groove lower portion 115 and a groove upper portion 116).

[0071] 4, each of the side walls 114 has side surfaces 117 and 118. In one side wall 114, the side surface 117 and the side surface 118 are located opposite each other. The side wall 114 that defines the groove 111R protrudes from the side surface 119 in the −Y direction.

[0072] 2, the two through holes 112 are open to two side surfaces 119 located opposite each other, and communicate one of the plurality of grooves 111R with one of the plurality of grooves 111L. The through holes 112 communicate with, for example, an upper groove portion 116 of the groove 111. Note that instead of the through holes 112, a flow path communicating the side surfaces 119 with the top surface 101, the bottom surface 102, or the end surface 104 may be provided in the holder 91.

[0073] 4, the two through holes 112 communicate two of the grooves 111R aligned in the Y direction that are located at both ends with two of the grooves 111L aligned in the Y direction that are located at both ends. Note that the multiple through holes 112 may communicate with all of the multiple grooves 111R and all of the multiple grooves 111L.

[0074] As shown in FIG. 2, each of the multiple leads 92 has an intermediate portion 121, two terminals 122 and 123, and two connecting portions 124 and 125. The intermediate portion 121 is an example of a third portion. The terminal 122 is an example of a first terminal. The terminal 123 is an example of a second terminal. The connecting portion 124 is an example of a first portion. The connecting portion 125 is an example of a second portion.

[0075] In this embodiment, the intermediate portion 121, a portion of the terminal 122, a portion of the terminal 123, the connecting portion 124, and the connecting portion 125 are disposed in the groove 111. Note that the terminals 122 and 123 and the connecting portions 124 and 125 may be at least partially located outside the groove 111.

[0076] The intermediate portion 121 extends substantially in the Z direction along the side surface 119 of the holder 91. Therefore, the side surface 119 faces the intermediate portion 121. The intermediate portion 121 has two surfaces 121a and 121b. The surface 121a and the side surface 119 face each other. The surface 121a may be in contact with the side surface 119 or may be slightly spaced apart from the side surface 119. The surface 121b is located opposite the surface 121a.

[0077] 4, the middle portion 121 further has two edges 121c and 121d and a plurality of protrusions 121e and 121f. The two edges 121c and 121d extend between the edge of the surface 121a and the edge of the surface 121b. The two edges 121c and 121d are located opposite each other.

[0078] The edge 121c and the side surface 117 of the holder 91 face each other. The edge 121d and the side surface 118 of the holder 91 face each other. That is, the two edges 121c and 121d face the two side surfaces 117 and 118.

[0079] The multiple protrusions 121e protrude from the edge 121c toward the side surface 117. The protrusions 121e abut against the side surface 117. The multiple protrusions 121f protrude from the edge 121d toward the side surface 118. The protrusions 121f abut against the side surface 118. As a result, the intermediate portion 121 is held between the two side surfaces 117, 118 and attached to the holder 91. Note that the intermediate portion 121 may be attached to the holder 91 by other methods. Also, other portions of the lead 92 may be attached to the holder 91.

[0080] The leads 92 are attached to the grooves 111 and arranged in two rows in the Y direction. Two of the leads 92 arranged in the Y direction, located at both ends, are provided with through holes 126. The through holes 126 are an example of second through holes.

[0081] The through hole 126 is provided in the intermediate portion 121. As shown in Figure 2, the through hole 126 penetrates the intermediate portion 121 and opens to the two surfaces 121a and 121b. The through hole 126 communicates with the through hole 112 of the holder 91.

[0082] The terminal 122 is provided at one end of the lead 92. The terminal 122 extends between the groove 111 and the outside so as to protrude from the upper surface 101 of the holder 91. The terminal 122 abuts against the pad 73 of the relay board 61 outside the groove 111.

[0083] The terminal 123 is provided at the other end of the lead 92. The terminal 123 extends between the groove 111 and the outside so as to protrude from the outer surface 103 of the holder 91, for example. The terminal 123 is joined to the pad 83 of the FPC 37 by solder 93 outside the groove 111.

[0084] The connection portion 124 connects the end of the intermediate portion 121 in the -Z direction to the terminal 122. The connection portion 124 in the groove 111R extends from the end of the intermediate portion 121 in the -Z direction approximately in the -Y direction. For example, the connection portion 124 extends from the intermediate portion 121 toward the pad 83 in an oblique direction between the -Y direction and the -Z direction. Note that the connection portion 124 is not limited to this example.

[0085] The connection portion 124 is spaced apart from the FPC 37 and the relay board 61. The terminal 122 extends from the end of the connection portion 124 in the -Y direction toward the pad 73 of the relay board 61 in approximately the -Z direction.

[0086] The connection portion 125 connects the end of the intermediate portion 121 in the +Z direction to the terminal 123. The connection portion 125 in the groove 111R extends substantially in the -Y direction from the end of the intermediate portion 121 in the +Z direction. That is, the connection portion 125 extends substantially parallel to the surface 82 of the FPC 37.

[0087] The connection portion 125 is spaced apart from the FPC 37 and the relay board 61. The connection portion 125 is spaced apart from the connection portion 124 in the +Z direction. The terminal 123 in the groove 111R extends in an oblique direction between the +Z direction and the -Y direction from the end of the connection portion 125 in the -Y direction toward the pad 83 of the FPC 37. Note that the terminal 123 is not limited to this example.

[0088] The terminals 122, 123 and the connecting portions 124, 125 extend between the two side surfaces 117, 118. As shown in Fig. 4, the terminals 122, 123 and the connecting portions 124, 125 are spaced apart from the side surfaces 117, 118. That is, the width of each of the terminals 122, 123 and the connecting portions 124, 125 in the X direction is narrower than the width of the groove 111 and narrower than the width of the intermediate portion 121.

[0089] The width of each of the terminals 122 and 123 in the X direction is narrower than the width of each of the connecting portions 124 and 125 in the X direction. Note that the terminals 122 and 123 and the connecting portions 124 and 125 are not limited to this example. For example, the width of the connecting portions 124 and 125 may decrease toward the terminals 122 and 123.

[0090] 2, intermediate portion 121 connects the end of connection portion 124 in the +Y direction to the end of connection portion 125 in the +Y direction. Both connection portions 124 and 125 protrude from surface 121b of intermediate portion 121. That is, lead 92 is formed in a substantially U-shape. Lead 92 can elastically deform so that terminal 122 and terminal 123 approach each other.

[0091] The length of the lead 92 in the Z direction is longer than the distance between the surface 82 of the FPC 37 and the surface 71 of the relay board 61. Therefore, the lead 92 is compressed between the FPC 37 and the relay board 61. That is, the lead 92 elastically deforms so that the two terminals 122, 123 approach each other, and the elastic force presses the terminal 122 against the pad 73.

[0092] As described above, intermediate portion 121, a portion of terminal 122, a portion of terminal 123, connecting portion 124, and connecting portion 125 are disposed in groove 111. That is, lead 92 has built-in portion 127 disposed in groove 111, and built-in portion 127 has intermediate portion 121 and connecting portions 124 and 125. Built-in portion 127 is an example of a fourth portion. Built-in portion 127 is provided between terminal 122 and terminal 123. When built-in portion 127 elastically deforms, lead 92 presses terminal 122 against pad 73 by elastic force.

[0093] A groove lower portion 115 of the groove 111 is provided between the connection portion 125 and the FPC 37. On the other hand, a groove upper portion 116 of the groove 111 is provided between the groove lower portion 115 and the relay board 61. The intermediate portion 121, a portion of the terminal 122, the connection portion 124, and the connection portion 125 are arranged in the groove upper portion 116. A portion of the terminal 123 is arranged in the groove lower portion 115.

[0094] Below, some examples of methods for mounting the relay connector 64 on the FPC 37 will be described. Note that the method for mounting the relay connector 64 on the FPC 37 is not limited to the following method, and other methods may also be used. First, solder paste (solder 93) is supplied to the pad 83 by, for example, printing or coating. Then, the relay connector 64 is mounted on the pad 83.

[0095] Next, the FPC 37 is heated in a reflow furnace to melt the solder paste, thereby joining the terminals 123 of the relay connector 64 to the pads 83 with the solder 93. At this time, flux that is mixed into the solder 93 or supplied separately may flow out of the solder 93.

[0096] The solder paste adheres to terminals 123. When the solder paste melts, the solder 93 and flux spread along terminals 123. For example, the flux may spread down terminals 123 toward connections 125.

[0097] Next, the FPC 37 and the relay connector 64 are cleaned by, for example, ultrasonic cleaning. For example, the FPC 37 is placed in a bath filled with a cleaning liquid. The cleaning liquid removes substances that may contaminate the HDD 10, such as flux.

[0098] For example, as shown by the arrows in Fig. 4, the cleaning liquid can flow from the outside into the groove upper portion 116 through the gap between the connecting portion 124 and the side surfaces 117 and 118. Furthermore, the cleaning liquid can flow from the groove upper portion 116 into the groove lower portion 115 through the gap between the connecting portion 125 and the side surfaces 117 and 118. Note that the flow direction of the cleaning liquid is not limited to this example.

[0099] The cleaning liquid can clean the surface 82 of the FPC 37 in the groove lower portion 115. Furthermore, the groove lower portion 115 is formed to be relatively wide, which prevents the cleaning liquid and flux from remaining in the groove lower portion 115.

[0100] Cleaning liquid and flux are likely to remain in two of the multiple grooves 111R aligned in the Y direction that are located at both ends, and in two of the multiple grooves 111L aligned in the Y direction that are located at both ends. However, as shown schematically by the arrows in Figure 2, for example, the cleaning liquid can flow through the through hole 126 of the lead 92 and the through hole 112 of the holder 91. As a result, the through holes 112 and 126 can prevent cleaning liquid and flux from remaining in these two of the multiple grooves 111R and these two of the multiple grooves 111L.

[0101] For example, ultrasonic waves are transmitted through the cleaning solution. The ultrasonic waves float the flux. The cleaning solution is then discharged together with the flux. Once the ultrasonic cleaning is complete, the FPC 37 is removed from the cleaning solution. This completes the mounting of the relay connector 64 on the FPC 37.

[0102] In the HDD 10 according to the first embodiment described above, the relay substrate 61 has pads 73. The FPC 37 has pads 83 and is spaced apart from the relay substrate 61 in the +Z direction. The holder 91 has a groove lower portion 115 and a groove upper portion 116. The groove lower portion 115 is open in the +Z direction. The groove upper portion 116 is connected to an end of the groove lower portion 115 in the -Z direction, which is opposite to the +Z direction, and is open in the -Y and -Z directions intersecting the -Z direction. The holder 91 is located between the relay substrate 61 and the FPC 37. The lead 92 has a connection portion 124, a connection portion 125, a terminal 122, a terminal 123, and an intermediate portion 121. The connection portion 124 is spaced apart from the relay substrate 61 and the FPC 37. The connection portion 125 is spaced apart from the relay substrate 61 and the FPC 37 and is spaced apart from the connection portion 124 in the +Z direction. Terminal 122 extends from the end of connecting portion 124 in the -Y direction toward pad 73 and abuts against pad 73. Terminal 123 extends from the end of connecting portion 125 in the -Y direction toward pad 83 and is joined to pad 83. Middle portion 121 is disposed in groove upper portion 116 and connects the ends of connecting portion 124 and connecting portion 125 in the +Y direction opposite to the -Y direction. Groove lower portion 115 is provided between connecting portion 125 and FPC 37.

[0103] The groove lower portion 115 and the groove upper portion 116 communicate with each other to form an integrated groove 111 that penetrates the holder 91 in the -Z and +Z directions. Therefore, when the FPC 37 is cleaned with a cleaning solution, the holder 91 is less likely to obstruct the flow of the cleaning solution than if the gap between the connection portion 125 and the FPC 37 were blocked. Therefore, the HDD 10 of this embodiment can more reliably clean the holder 91 and the leads 92. For example, the terminals 123 are joined to the pads 83 by solder 93. Flux may leak from the solder 93. However, the HDD 10 of this embodiment can more reliably remove the flux, thereby preventing head crashes caused by contamination.

[0104] In other words, the holder 91 has a top surface 101, a bottom surface 102, an outer surface 103, and a side surface 119. The top surface 101 faces the relay board 61. The bottom surface 102 faces the FPC 37. The outer surface 103 extends between the top surface 101 and the bottom surface 102. A groove 111 is recessed from the outer surface 103 in the +Y direction and opens to the top surface 101 and the bottom surface 102. The side surface 119 is provided at the end of the groove 111 in the +Y direction and extends straight between the top surface 101 and the bottom surface 102. The lead 92 is provided between the two terminals 122, 123 and has a built-in portion 127 disposed in the groove 111. That is, the groove 111 penetrates the holder 91 straight between the top surface 101 and the bottom surface 102. The built-in portion 127 of the lead 92 is disposed in the groove 111. Therefore, the HDD 10 can prevent the flow of cleaning liquid in the groove 111 from being obstructed, and the holder 91 and the lead 92 can be cleaned more reliably.

[0105] The intermediate portion 121 is attached to the holder 91. If the connecting portion 125 were attached to the holder 91, the connecting portion 125 would be enlarged in size in order to be attached to the holder 91. In the HDD 10 of this embodiment, it is not necessary to enlarge the connecting portion 125, and it is possible to prevent the connecting portion 125 from blocking the groove 111 (the groove lower portion 115 and the groove upper portion 116).

[0106] The holder 91 has two side surfaces 117, 118 that face each other and define the groove upper portion 116. The middle portion 121 has two edges 121c, 121d and multiple protrusions 121e, 121f. The two edges 121c, 121d are located opposite each other and face the two side surfaces 117, 118. The multiple protrusions 121e, 121f protrude from the two edges 121c, 121d and abut against the two side surfaces 117, 118. The middle portion 121 is held between the two side surfaces 117, 118. This allows the middle portion 121 to be firmly attached to the holder 91 with a simple structure.

[0107] The connecting portion 125 is at least partially disposed in the groove upper portion 116 and is spaced apart from the two side surfaces 117, 118. This allows the cleaning liquid to pass through the gap between the connecting portion 125 and the side surfaces 117, 118. Therefore, the connecting portion 125 is less likely to obstruct the flow of the cleaning liquid than when the connecting portion 125 is in contact with at least one of the two side surfaces 117, 118.

[0108] The holder 91 has a side surface 119 that is located at the end of the groove upper portion 116 in the +Y direction and faces the intermediate portion 121. The holder 91 is provided with a through hole 112 that opens to the side surface 119. This allows the cleaning liquid to flow into and out of the groove upper portion 116 through the through hole 112. This allows the cleaning liquid to clean the groove upper portion 116 more efficiently.

[0109] A through hole 126 communicating with the through hole 112 is provided in the intermediate portion 121. Therefore, the cleaning liquid can flow from the through hole 112 through the through hole 126 into the groove upper portion 116, and can also flow from the groove upper portion 116 through the through hole 126 to the through hole 112. In other words, the intermediate portion 121 can prevent the flow of the cleaning liquid from being obstructed.

[0110] The holder 91 has two side surfaces 117, 118 and a side surface 119. The two side surfaces 117, 118 face each other. The side surface 119 connects the ends of the two side surfaces 117, 118 in the +Y direction. The side surfaces 117, 118, 119 define a groove lower portion 115 and a groove upper portion 116. That is, the groove lower portion 115 is not a hole but a notch that is open in the -Y direction together with the groove upper portion 116. The groove lower portion 115 and the groove upper portion 116 penetrate the holder 91 in the -Z direction and the +Z direction and form an integrated groove 111 that is open in the -Y direction. Therefore, the holder 91 can prevent the flow of the cleaning liquid from being obstructed compared to when the groove lower portion 115 is a hole surrounded by a wall.

[0111] Lead 92 elastically deforms so that connection portion 124 and connection portion 125 approach each other. Therefore, lead 92 can press terminal 122 against pad 73 by its elastic force, and can more reliably conduct electricity between pad 74 and pad 83.

[0112] (Second embodiment) The second embodiment will be described below with reference to Fig. 5. In the following description of the embodiments, components having the same functions as components already described are given the same reference numerals as the components already described, and further description may be omitted. Furthermore, components given the same reference numerals do not necessarily have all the same functions and properties, and may have different functions and properties according to each embodiment.

[0113] 5 is an exemplary cross-sectional view showing a portion of an HDD 10 according to the second embodiment. As shown in FIG. 5, a holder 91 of the second embodiment has a plurality of side walls 201 instead of the plurality of side walls 114. The side walls 201 are substantially the same as the side walls 114, except as described below.

[0114] The sidewall 201 of the second embodiment is shorter in the Y direction than the sidewall 114 of the first embodiment. Therefore, the terminal 122, the terminal 123, at least a part of the connecting portion 124, and at least a part of the connecting portion 125 of the lead 92 are located outside the groove upper portion 116. The middle portion 121 is disposed in the groove upper portion 116. The length (depth) of the groove upper portion 116 in the Y direction is greater than the length (thickness) of the middle portion 121 in the Y direction.

[0115] Because the sidewall 201 is short, the space between the connection portion 125 and the FPC 37 is open in the X direction. Furthermore, the terminals 122 and 123 and the connection portions 124 and 125 are exposed to the cleaning liquid flowing in the X direction. The cleaning liquid can pass through the space between the connection portion 125 and the FPC 37 in the X direction. Therefore, the cleaning liquid can clean, for example, a narrow gap between the terminal 123 and the FPC 37. Furthermore, the terminals 122 and 123 and the connection portions 124 and 125 can be exposed to ultrasound without being obstructed by the sidewall 201.

[0116] In the HDD 10 of the second embodiment described above, at least a portion of the connection portion 124, at least a portion of the connection portion 125, the terminals 122, and the terminals 123 are located outside the groove upper portion 116. That is, at least a portion of the connection portion 124, at least a portion of the connection portion 125, the terminals 122, and the terminals 123 are exposed and not covered by the holder 91. Therefore, the connection portions 124, 125, the terminals 122, and the terminals 123 can be more easily exposed to the cleaning liquid and cleaned.

[0117] (Third embodiment) A third embodiment will be described below with reference to Figs. 6 and 7. Fig. 6 is an exemplary side view showing a relay connector 64 according to the third embodiment. As shown in Fig. 6, a holder 91 of the third embodiment has a plurality of side walls 301, 302 instead of the plurality of side walls 114. The side walls 301, 302 are substantially identical to the side wall 201, except as described below.

[0118] The side walls 301, 302 are arranged in two rows in the Y direction. Two side walls 301 are provided at both ends of the row of side walls 301, 302. The side walls 302 are arranged in the Y direction between the two side walls 301.

[0119] The side wall 301 has an end surface 305. The end surface 305 is located at the end of the side wall 301 in the +Z direction. In the Z direction, the end surface 305 is located at approximately the same position as the bottom surface 102 of the holder 91 and is included in the bottom surface 102. In other words, the side wall 301 has a part of the bottom surface 102 of the holder 91.

[0120] The side wall 302 is shorter than the side wall 301 in the Z direction. The side wall 302 has an end surface 306. The end surface 306 is located at the end of the side wall 302 in the +Z direction. The end surface 306 is spaced apart from the bottom surface 102 in the -Z direction.

[0121] Fig. 7 is an exemplary cross-sectional view showing a portion of the HDD 10 of the third embodiment taken along line F7-F7 in Fig. 6. As shown in Fig. 7, a notch 307 is provided between the end face 306 and the surface 82 of the FPC 37. The side surface 119 of the holder 91 and the end face 306 of the side wall 302 define the notch 307.

[0122] As in the first embodiment, the side surfaces 117, 118, and 119 define the groove upper portion 116. On the other hand, in the third embodiment, the side surface 119 of the holder 91 and the connection portion 125 of the lead 92 define the groove lower portion 115.

[0123] 6, two adjacent groove lower portions 115 communicate with each other through notches 307. In other words, groove lower portions 115 are open to at least one of the +X direction and the -X direction. The +X direction and the -X direction are examples of a fifth direction.

[0124] 6, the cleaning liquid can flow in the X direction through the plurality of groove lower portions 115. This allows the cleaning liquid to clean, for example, the narrow gap between the terminal 123 and the FPC 37.

[0125] In the HDD 10 of the third embodiment described above, the groove lower portion 115 is open in the X direction (+X direction and -X direction) that intersects with the +Z direction and the -Y direction. Therefore, the cleaning liquid can flow not only in the +Z direction and the -Y direction, but also in the X direction. Therefore, the HDD 10 of this embodiment can more reliably clean the holder 91 and the leads 92.

[0126] (Fourth embodiment) The fourth embodiment will be described below with reference to Fig. 8 and Fig. 9. Fig. 8 is an exemplary side view showing a relay connector 64 according to the fourth embodiment. As shown in Fig. 8, a holder 91 of the fourth embodiment has a plurality of side walls 301, 302 instead of a plurality of side walls 114.

[0127] The holder 91 of the fourth embodiment has a bottom surface 401 instead of the bottom surface 102. The bottom surface 401 is substantially equal to the bottom surface 102, except as described below. The bottom surface 401 is spaced apart from the end surface 305 of the side wall 301 in the −Z direction.

[0128] In the Z direction, the end surface 306 of the side wall 302 is at approximately the same position as the bottom surface 401 and is included in the bottom surface 401. In other words, the side wall 302 has a part of the bottom surface 401 of the holder 91. Note that the end surface 306 of the side wall 302 may be spaced apart from the bottom surface 401 in the -Z direction.

[0129] Fig. 9 is an exemplary cross-sectional view showing a part of the HDD 10 of the fourth embodiment taken along line F9-F9 in Fig. 8. As shown in Fig. 9, the bottom surface 401 faces the surface 82 of the FPC 37 with a gap 405 therebetween.

[0130] In the fourth embodiment, the groove lower portion 115 is provided between the connection portion 125 of the lead 92 and the surface 82 of the FPC 37. Furthermore, a notch 307 is provided between the end face 306 of the side wall 302 and the surface 82 of the FPC 37.

[0131] Of the multiple groove lower parts 115, two adjacent parts in the X direction communicate with each other through the notches 307. Furthermore, the multiple groove lower parts 115 and the gaps 405 are adjacent to each other in the Y direction and communicate with each other. That is, the multiple groove lower parts 115 communicate with each other through the gaps 405.

[0132] 8 and 9, the cleaning liquid can flow in the X and Y directions through the gap 405. Therefore, the relay connector 64 can prevent the cleaning liquid and flux from remaining between the relay connector 64 and the FPC 37.

[0133] In the HDD 10 of the fourth embodiment described above, the holder 91 has a bottom surface 401 that faces the FPC 37 with a gap 405 therebetween. The groove lower portion 115 communicates with the gap 405. That is, the cleaning liquid can flow not only through the groove lower portion 115 but also through the gap 405 between the FPC 37 and the bottom surface 401. Therefore, the HDD 10 of this embodiment can more reliably clean the gap between the FPC 37 and the bottom surface 401 and can prevent residue from remaining in the gap 405.

[0134] (Fifth embodiment) The fifth embodiment will be described below with reference to FIGS. 10 and 11. FIG. 10 is an exemplary side view showing a relay connector 64 according to the fifth embodiment. FIG. 11 is an exemplary cross-sectional view showing a part of an HDD 10 according to the fifth embodiment taken along line F11-F11 in FIG. 10. As shown in FIG. 11, a through-hole 501 is provided in the side wall 114 of the fifth embodiment. The through-hole 501 is an example of a first through-hole.

[0135] 10 , the through-hole 501 penetrates the side wall 114 substantially in the X direction and opens to the side surfaces 117 and 118. The through-hole 501 communicates with, for example, both the groove lower portion 115 and the groove upper portion 116. Note that the through-hole 501 may communicate with either the groove lower portion 115 or the groove upper portion 116.

[0136] 10 , the cleaning liquid can pass through the through-hole 501 and flow in the X direction through the grooves 111. Therefore, the relay connector 64 can prevent the cleaning liquid and flux from remaining in the grooves 111. Furthermore, ultrasonic waves can be transmitted to the grooves 111 through the through-hole 501.

[0137] In the HDD 10 of the fifth embodiment described above, the holder 91 has two side surfaces 117, 118 that face each other and define the upper groove portion 116. The holder 91 is provided with a through-hole 501 that opens to at least one of the two side surfaces 117, 118. This allows the cleaning liquid to flow into and out of the upper groove portion 116 through the through-hole 501. This allows the cleaning liquid to clean the upper groove portion 116 more efficiently.

[0138] (Sixth embodiment) The sixth embodiment will be described below with reference to Fig. 12. Fig. 12 is an exemplary cross-sectional view showing a portion of an HDD 10 according to the sixth embodiment. As shown in Fig. 12, a holder 91 of the sixth embodiment has a plurality of bottom walls 601. The bottom walls 601 are an example of walls.

[0139] The bottom wall 601 is located between the connection portion 125 of the lead 92 and the surface 82 of the FPC 37, and protrudes from the side surface 119. The bottom wall 601 is connected to the side surfaces 117 and 118. The bottom wall 601 has an upper surface 605, a bottom surface 606, and an outer surface 607. The bottom surface 606 is an example of a second end surface.

[0140] The top surface 605, the bottom surface 606, and the outer surface 607 are formed to be approximately flat. The top surface 605 is located at the end of the bottom wall 601 in the -Z direction and faces approximately in the -Z direction. The bottom surface 606 is located at the end of the bottom wall 601 in the +Z direction and faces approximately in the +Z direction. In other words, the bottom surface 606 is located on the opposite side of the top surface 605. The outer surface 607 of the bottom wall 601 in the groove 111R is located at the end of the bottom wall 601 in the -Y direction and faces approximately in the -Y direction.

[0141] The top surface 605 is spaced apart in the +Z direction from the top surface 101 of the holder 91. In the sixth embodiment, the side surfaces 117, 118 and the top surface 605 define the groove upper portion 116. The top surface 605 supports, for example, the connection portion 125 of the lead 92. Note that the top surface 605 may be spaced apart from the connection portion 125.

[0142] In the Z direction, the bottom surface 606 is at approximately the same position as the bottom surface 102 of the holder 91 and is included in the bottom surface 102. In other words, the bottom wall 601 has a part of the bottom surface 102 of the holder 91. Note that the bottom surface 606 may be spaced apart from the bottom surface 102 of the holder 91 in the +Z direction.

[0143] An outer surface 607 of the bottom wall 601 in the groove 111R is spaced apart from the outer surface 103 of the holder 91 in the +Y direction. That is, the bottom wall 601 is shorter than the side wall 114 in the Y direction. Note that the length of the bottom wall 601 in the Y direction may be equal to or greater than the length of the side wall 114. The outer surface 607 faces the terminal 123.

[0144] In the sixth embodiment, a passage 608 is provided in the holder 91 instead of the groove lower portion 115. The passage 608 is a hole that penetrates the bottom wall 601 substantially in the Z direction and is an example of a through hole. The passage 608 opens to the top surface 605 and the bottom surface 606. Therefore, the passage 608 is provided between the connection portion 125 of the lead 92 and the surface 82 of the FPC 37, and is open in the +Z direction. Furthermore, the groove upper portion 116 communicates with the end of the passage 608 in the -Z direction.

[0145] A through hole 611 is provided in the connection portion 125 of the lead 92. The through hole 611 is an example of a third through hole. The through hole 611 passes through the connection portion 125 substantially in the Z direction and communicates with the passage 608 of the bottom wall 601.

[0146] 12, the cleaning liquid can flow through the through holes 611 in the leads 92 and the passages 608 in the bottom wall 601. Therefore, the relay connector 64 can prevent the cleaning liquid and flux from remaining between the relay connector 64 and the FPC 37.

[0147] In the HDD 10 of the sixth embodiment described above, the holder 91 is provided with an upper groove portion 116 and a passage 608. The upper groove portion 116 opens to the top surface 101 and the outer surface 103. The passage 608 opens to the bottom surface 606 (bottom surface 102) and communicates with the upper groove portion 116. Therefore, when the FPC 37 is cleaned with a cleaning liquid, the holder 91 can be prevented from obstructing the flow of the cleaning liquid compared to a case in which the passage 608 is not provided. Therefore, the HDD 10 of this embodiment can more reliably clean the holder 91 and leads 92.

[0148] The holder 91 has a bottom wall 601 located between the connection portion 125 and the FPC 37. A passage 608 penetrates the bottom wall 601, thereby allowing the bottom wall 601 to position the leads 92. A cleaning liquid can flow into and out of the upper groove portion 116 through the passage 608 penetrating the bottom wall 601.

[0149] The connecting portion 125 is provided with a through hole 611 that communicates with the passage 608. Therefore, the cleaning liquid can flow from the passage 608 through the through hole 611 into the groove upper portion 116, and can also flow from the groove upper portion 116 through the through hole 611 to the passage 608. In other words, the connecting portion 125 can prevent the passage 608 from being blocked.

[0150] Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These novel embodiments can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, and are also included in the scope of the invention and its equivalents as defined in the claims. [Explanation of symbols]

[0151] 10...Hard disk drive (HDD), 11...Housing, 12...Magnetic disk, 37...Flexible printed circuit board (FPC), 48...Magnetic head, 53...Controller, 61...Relay board, 73, 83...Pad, 91...Holder, 92...Lead, 112, 126, 501, 611, H...Through hole, 115...Lower groove, 116...Upper groove, 117, 118, 119...Side, 121...Middle part, 121c, 121d...Edge, 121e, 121f...Protrusion, 122, 123...Terminal, 124, 125...Connection part, 401...Bottom surface, 405...Gap, 601...Bottom wall, 608...Corridor, S...Internal space.

Claims

1. a first substrate having a first pad; a second substrate having a second pad and spaced apart in a first direction from the first substrate; a holder positioned between the first substrate and the second substrate, the holder having a passage that is open in the first direction and a recess that communicates with an end of the passage in a second direction opposite to the first direction and that is open in the second direction and a third direction that intersects with the second direction; a lead having a first portion spaced apart from the first substrate and the second substrate, a second portion spaced apart from the first substrate and the second substrate and spaced apart from the first portion in the first direction, a first terminal extending from an end of the first portion in the third direction toward the first pad and abutting the first pad, a second terminal extending from an end of the second portion in the third direction toward the second pad and joined to the second pad, and a third portion disposed in the recess and connecting an end of the first portion and an end of the second portion in a fourth direction opposite to the third direction, wherein the passage is provided between the second portion and the second substrate; A disk device comprising:

2. the third portion is attached to the holder; 2. The disk device according to claim 1.

3. the holder has two first sides facing each other and defining the recess; the third portion has two edges positioned opposite to each other and facing the two first side surfaces, and a plurality of protrusions protruding from the two edges and abutting the two first side surfaces, and is held between the two first side surfaces; 3. The disk device according to claim 2.

4. the second portion is at least partially disposed in the recess and spaced apart from the two first side surfaces; 4. The disk device according to claim 3.

5. At least a portion of the first portion, at least a portion of the second portion, the first terminal, and the second terminal are located outside the recess.

2. The disk device according to claim 1.

6. the holder has two first side surfaces facing each other and defining the recess, and a first through hole opening in at least one of the two first side surfaces is provided; 2. The disk device according to claim 1.

7. the holder has a second side surface located at an end of the recess in the fourth direction and facing the third portion, and a flow path opening to the second side surface is provided.

2. The disk device according to claim 1.

8. a second through hole communicating with the flow path is provided in the third portion; 8. The disk device according to claim 7.

9. the holder has two first side surfaces facing each other and a second side surface connecting ends of the two first side surfaces in the fourth direction; the two first sides and the second side define the passage and the recess; 2. The disk device according to claim 1.

10. the holder has a wall positioned between the second portion and the second substrate; The passageway passes through the wall.

2. The disk device according to claim 1.

11. a third through-hole communicating with the passage is provided in the second portion; The disk drive according to claim 10.

12. The lead is elastically deformed so that the first portion and the second portion approach each other.

2. The disk device according to claim 1.

13. the passage is open in a fifth direction intersecting the first direction and the third direction; 2. The disk device according to claim 1.

14. the holder has a bottom surface facing the second substrate with a gap therebetween; The passage communicates with the gap.

2. The disk device according to claim 1.

15. 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 connects the internal space with the outside; a controller configured to control the magnetic head and located outside the housing; Equipped with The first substrate closes the fourth through hole. the second substrate has a flexible printed wiring board; 2. The disk device according to claim 1.

16. a first substrate having a first pad; a second substrate having a second pad and spaced apart from the first substrate; a holder located between the first substrate and the second substrate, the holder having a first end face facing the first substrate, a second end face facing the second substrate, and an outer surface extending between the first end face and the second end face, the holder having a groove recessed from the outer surface in a recessed direction and opening into the first end face and the second end face; a lead attached to the holder, the lead having a first terminal abutting the first pad, a second terminal bonded to the second pad, and a fourth portion provided between the first terminal and the second terminal and disposed in the groove; Equipped with the holder has an inner end surface that is provided at an end of the groove in the recessing direction and extends straight between the first end surface and the second end surface; Disk device.

17. a first substrate having a first pad; a second substrate having a second pad and spaced apart from the first substrate; a holder located between the first substrate and the second substrate, the holder having a first end face facing the first substrate, a second end face facing the second substrate, and an outer surface extending between the first end face and the second end face, the holder being provided with a recess opening into the first end face and the outer surface, and a through hole opening into the second end face and communicating with the recess; a lead attached to the holder, the lead having a first terminal in contact with the first pad, a second terminal bonded to the second pad, and a fourth portion provided between the first terminal and the second terminal and disposed in the recess; A disk device comprising:

Images