53results about "Electrical connection between head and arm" patented technology

A flexure includes a body portion including a first metal base, a terminal portion electrically connected to an actuator, and a connection portion connecting the body portion with the terminal portion and not including the first metal base. The wiring portion includes a base insulating layer, a conductor layer provided on the base insulating layer, and a cover insulating layer covering the conductor layer. The cover insulating layer includes a first cover portion provided on the connection portion, and the base insulating layer includes a first base portion provided on the connection portion and having a thickness smaller than a thickness of the first cover portion.

To provide a suspension capable of suppressing interference between a disk and a slider.SOLUTION: The suspension 10 is provided with a load beam 20 having a dimple part 50 and a flexure 21 having a slider mounting part 30. The convex surface 51 of the dimple portion 50 contacts the slider mounting portion 30. The curvature radius R of the convex surface 51 is less than 0. 10mm, and the gain defined by the following equation is 0.9 or more. Where a is the input amplitude, A is the amplitude, R is the radius of curvature of the convex surface 51, and Fpr is the flexure pitching resistance. k1 is the pitching rigidity of the air bearing, and k2 is the pitching rigidity of the slider mounting portion 30.SELECTED DRAWING: Figure 9

Examples of the present disclosure include a suspension assembly for a magnetic storage device. The suspension assembly includes a load beam and a flexure. The load beam includes a flexure side and a substrate side opposite the flexure side. The load beam also includes a recess formed in the flexure side. The flexure is attached to the flexure side of the load beam at least partially within the recess.

A flexible member (22) of a suspension (1) includes a metal base (40), a circuit portion (41), and a slider arrangement portion (50). The slider arrangement portion (50) includes a hole portion (70) formed in the metal base (40) and a slider support portion (90) provided on the metal base (40). The hole portion (70) is provided at a position on which the slider (51) is provided. The embedded circuit portion (41a) is provided within the hole portion (70). The embedded circuit portion (41a) constitutes a part of the circuit portion (41) in the longitudinal direction. A slider support portion (90) supports the slider (51), and an embedded circuit portion (41a) is provided in the hole portion (70). The embedded circuit portion (41a) has a contact portion (91) in contact with the protruding portion (30a) of the load beam (21).

Examples of the present disclosure include a suspension assembly for a magnetic storage device. The suspension assembly includes a load beam and a flexure. The load beam includes a flexure side and a base-plate side opposite to the flexure side. The load beam also includes a recess formed in the flexure side. The flexure is attached to the flexure side of the load beam at least partially within the recess.

To provide a suspension for a disk device capable of optimizing a profile of an outrigger part.SOLUTION: A sag bent part 55 bent in a thickness direction of a load beam 12 is formed in a part in a length direction of the load beam 12. The load beam 12 includes a first part 12A and a second part 12B with the sag bent part 55 as a boundary. The load beam 12 and a flexure 13 are fixed to each other by a welding part 41 as a fixing part. A slit part 60 is formed around the fixing part. An outrigger supporting part 70 for supporting outrigger parts 33 and 34 is formed inside the slit part 60.SELECTED DRAWING: Figure 1

A disk device according to one embodiment includes a magnetic disk, a magnetic head, an FPC, and a chip. The FPC includes an insulating layer, a first conductive layer on a first face of the insulating layer, and a second conductive layer on a second face of the insulating layer. The chip is mounted on the FPC. The first conductive layer includes pads. The chip includes terminals connected to the plurality of pads via solder. The second conductive layer includes wires. The plurality of wires include at least either one or two or more first wires or one or two or more pairs of second wires. The first wires each include a first part disposed apart from the pads, and a second part having a larger width than the first part, overlapping one of the pads. The second wires overlap one of the pads.

A disk drive suspension includes a slider arrangement portion (50) formed on a flexible member (22) of the suspension (1), a slider (51) being arranged on the slider arrangement portion. The slider arrangement portion (50) includes a hole portion (70). A hole portion (70) is formed on the metal base (40) of the flexible member (22). The hole portion (70) is provided at a position on which the slider (51) is provided. The hole portion (70) opens in the thickness direction of the metal base (40). The conductor portion (80) is embedded in the resin member (71) filling the hole portion (70). The slider support portion (90) is formed on a first surface (71a) of the resin member (71). The abutting portion (91) is formed on the second surface (71b) of the resin member (71). The abutting portion (91) contacts the protruding portion (30a) of the pit portion (30).

The embodiment of the invention relates to a suspension assembly and a disk device. A suspension assembly according to one embodiment is provided with a wiring member. The tail connection portion of the wiring member has a base layer, a cover layer, and a conductive layer disposed between the base layer and the cover layer. The cover layer is provided with a groove. The conductive layer has a first wiring, a second wiring, and a connection terminal extending across the groove between the first wiring and the second wiring. The base layer has a first base portion covering the first wiring, a second base portion covering the second wiring, and a pair of first protruding portions protruding from the first base portion and partially covering the connection terminals. And a pair of second protruding portions that protrude from the second base portion, partially cover the connection terminals, and are separated from the pair of first protruding portions.

To provide a suspension capable of arranging a slider on a slider arrangement portion in a stable posture.SOLUTION: A flexure 22 of a suspension 1 includes a metal base 40, a circuit portion 41, and a slider arrangement portion 50. The slider arrangement portion 50 has an aperture portion 70 formed in the metal base 40 and a slider support portion 90 provided on the metal base 40. The aperture portion 70 is formed at a position where the slider 51 is arranged. An embedding circuit portion 41a is arranged inside the aperture portion 70. The embedding circuit portion 41a is a part of a length direction of the circuit portion 41. The slider support portion 90 supports the slider 51 in a state where the embedding circuit portion 41a is arranged in the aperture portion 70. The embedding circuit portion 41a has an abutting portion 91 contacting a protrusion portion 30a of a load beam 21.SELECTED DRAWING: Figure 4

To provide a suspension assembly which can improve narrow pitching of wiring and bondability of a connection terminal while strength of the connection terminal is maintained, and to provide a disk device including the suspension assembly.SOLUTION: A suspension assembly includes: a support plate; a head supported by the support plate; and a wiring member installed in the support plate. The wiring member includes: a tip part which is electrically connected to the head; a connection end part extended to an outer side of the support plate; and a plurality of wirings extending between the tip part and the connection end part. The connection tip part includes: a cover layer with an opening; 13 or more connection terminals which face the opening, are arranged in a row in a length direction of the opening by leaving intervals and are connected to the wirings; and a base layer which is provided by being overlapped on the cover layer and the connection terminals and includes a plurality of first openings facing a part of the connection terminals and a plurality of second openings facing a space part between the adjacent connection terminals.SELECTED DRAWING: Figure 7

According to one embodiment, a head suspension assembly includes a support plate, a wiring member on the support plate, and a magnetic head mounted on the wiring member. The magnetic head includes a slider, a head element, connection pads, and a laser oscillation element on the slider. The wiring member includes a plurality of first connection terminals each having a bonding surface bonded to a connection pad of the slider and a second connection terminal including a bonding surface bonded to a connection pad of the laser oscillation element and a non-bonding surface opposite to the bonding surface. The wiring member includes a cover layer covering at least a part of the non-bonding surface of the second connection terminal.

A flexure of a suspension includes a metal base, a circuit portion, and a slider arrangement portion. The slider arrangement portion includes an aperture portion formed in the metal base and a slider support portion provided on the metal base. The aperture portion is provided at a position on which the slider is provided. An embedding circuit portion is provided inside the aperture portion. The embedding circuit portion constitutes a part of a length direction of the circuit portion. The slider support portion supports the slider with the embedding circuit portion being provided in the aperture portion. The embedding circuit portion has an abutting portion contacting a protrusion portion of a load beam.

According to one embodiment, a suspension assembly includes a wiring member. The tail connector of the wiring member includes a base layer, a cover layer, and a conductive layer interposed between the base layer and the cover layer. The cover layer includes a groove. The conductive layer includes a first wire, a second wire, and a connection terminal extending between the first wire and the second wire across the groove. The base layer includes a first base covering the first wire, a second base covering the second wire first protrusion pair protruding from the first base to partially cover the connection terminal, and second protrusion pair protruding from the second base to partially cover the connection terminal.

An embodiment of the present invention provides a disk device capable of suppressing peeling of a flexible printed circuit board. A disk device of one embodiment has a magnetic disk, a magnetic head, a first flexible printed circuit board, and a second flexible printed circuit board. The first flexible printed circuit board has a plurality of first terminals. The second flexible printed circuit board has a surface, a plurality of second terminals provided on the surface and joined to the plurality of first terminals by a joining body, and a first planar ground layer covering at least one of the plurality of second terminals in a direction orthogonal to the surface. The plurality of second terminals include a first read terminal. The first planar ground layer is separated from at least a portion of the first read terminal in a direction along the surface.

According to one embodiment, a suspension (10) includes a load beam (20) having a recessed portion (50) and a flexible member (21) including a slider mounting portion (30). The convex surface (51) of the recessed portion (50) is in contact with the slider attachment portion (30). The curvature radius (R) of the convex surface (51) is less than 0.10 mm, and the gain defined by the following formula is 0.9 or more. A is the input amplitude, A is the amplitude, R is the curvature radius of the convex surface (51), and Fpr is the pitching resistance of the bending piece. K1 is the pitching rigidity of the air cushion bearing, and k2 is the pitching rigidity of the sliding block mounting part (30).

A disk device according to an embodiment includes an electronic component, a first adhesive, a plate, and a first bonding layer. The flexible printed circuit board has a first surface facing the electronic component, a second surface located opposite to the first surface, and a pad provided on the first surface and connected to the electronic component by a conductive adhesive. The first adhesive is provided on the second surface. The plate has a third surface facing the second surface. The first bonding layer is provided on the third surface, enters a recess of the third surface, and is fixed to the second surface by the first adhesive.

A sliding block assembly and a switching valve are provided. The sliding block assembly includes a slider body (1) and an inner shell (2). The slider body (1) is provided with an internal cavity (11), the inner shell (2) is located in the internal cavity (11), an outer flow channel (21) is enclosed between an outer surface of the inner shell (2) and a cavity wall of the internal cavity (11). An inner flow channel (22) is enclosed by an inner surface of the inner shell (2), the inner shell (2) is fixed to the cavity wall of the internal cavity (11) by welding.

A suspension of an embodiment includes a first actuator including a piezoelectric element, a second actuator including a piezoelectric element, and a third actuator including a piezoelectric element. A first conductor supplies a first alternating current to the first actuator. A second conductor supplies a second alternating current to the second actuator. A third conductor supplies a third alternating current with a phase opposite to the second alternating current to the third actuator. The first conductor includes a first and a second proximity portions. The first proximity portion extends along the second conductor in the longitudinal direction of the wiring unit. The second proximity portion extends along the third conductor in the longitudinal direction of the wiring unit.

A hard disk drive flexure assembly includes an insulative base layer over a metal substrate, a first conductive layer over the base layer, a plurality of electrical pads each comprising a second conductive layer over the first conductive layer, a pre-formed bump of solder material positioned over each pad, and a conductive cover layer over at least a portion of each pre-solder bump. With the conductive cover layer, e.g., gold, solder material from each pre-solder bump is inhibited from transferring to a probe during electrical check of the flexure, the solder material is inhibited from oxidizing, and solder splash is inhibited. These techniques are especially relevant with narrow, high-density, small pitch electrical pads.

A flexure of a suspension for a disk drive includes a metal base and a wiring portion provided along the metal base and including a base insulation layer, a conductor layer overlaid on the base insulation layer, and a cover insulation layer overlaid on the conductor layer. The flexure includes a first area on which an electronic component is mounted and a second area aligned alongside the first area, and the first area includes a thin-walled portion which overlaps the electronic component and having a thickness less than a thickness of the second area.

A method of manufacturing a piezoelectric microactuator having a wrap-around electrode includes forming a piezoelectric element having a large central electrode on a top face, and having a wrap-around electrode that includes the bottom face, two opposing ends of the device, and two opposing end portions of the top face. The device is then cut through the middle, separating the device into two separate piezoelectric microactuators each having a wrap-around electrode.

The invention discloses a heat-assisted magnetic head which comprises a sliding block and a light source unit arranged on the sliding block, a transfer bonding pad is provided, a first light source bonding pad of the sliding block and a second light source bonding pad of the sliding block are arranged on the same straight line side by side, the transfer bonding pad is not on the straight line, and a first pole of the light source unit is electrically connected with the first light source bonding pad. The second pole of the light source unit and the second light source bonding pad are electrically connected with the transfer bonding pad, so that the second pole of the light source unit is reliably and electrically connected with the second light source bonding pad; the problem of low yield caused by overlapping of the joint position of the second electrode of the light source unit on the second light source bonding pad and the joint position of the cantilever piece on the second light source bonding pad in practical application is avoided, and the number of original bonding pads does not need to be reduced. Meanwhile, the embodiment of the invention also correspondingly provides a magnetic head gimbal assembly and a hard disk drive.

The present invention provides a method for reducing the spacing between disks while maintaining separation between the flexure of a suspension assembly and magnetic storage disks, and a method for manufacturing a suspension assembly for a magnetic storage system and a magnetic storage device. [Solution] In the head stack assembly 107, the carriage 103 includes a plurality of carriage arms 105 and at least one head gimbal assembly 109 coupled to their distal ends. Each head gimbal assembly includes a suspension assembly 135 and a slider 142. The suspension assembly includes a load beam 196 and a flexure 140. The load beam includes a flexure side, a base plate side 192 facing the flexure side, and a recess 111 formed within the flexure side. The flexure is attached to the flexure side of the load beam at least partially within the recess.

To provide a suspension capable of arranging a slider on a slider arrangement portion in a stable posture.SOLUTION: A slider arrangement portion 50 on which a slider 51 is arranged is formed on a flexure 22 of a suspension 1. The slider arrangement portion 50 includes an aperture portion 70 formed in a metal base 40 of the flexure 22. The aperture portion 70 is formed at a position on which the slider 51 is arranged, and is open in a thickness direction of the metal base 40. A conductor portion 80 is embedded in a resin member 71 filling the aperture portion 70. A slider support portion 90 is formed on a first surface 71a of the resin member 71. An abutting portion 91 contacting a protrusion portion 30a of a dimple portion 30 is formed on a second surface 71b of the resin member 71.SELECTED DRAWING: Figure 4

To provide a suspension for a disk device, an electronic component, and a method for connecting the suspension with the electronic component for suitably connecting between terminals.SOLUTION: A suspension for a disk device according to one embodiment includes a load beam, a flexure superimposed on the load beam, a first terminal provided on the flexure, and a first bump placed on the upper surface of the first terminal. The first terminal has: a narrow width portion having a first width in a first direction, and including a center of the first terminal; and a wide width portion having a second width larger than the first width in the first direction, and aligned with the narrow width portion in a second direction intersecting the first direction. The first bump has a first height at the center on the basis of the lower surface of the first terminal. The first height is larger than the first width.SELECTED DRAWING: Figure 9

According to one embodiment, a suspension includes a load beam having a dimple portion and a flexure including a slider-mounted portion. A convex surface of the dimple portion is in contact with the slider-mounted portion. A radius of curvature of the convex surface is less than 0.10 mm, and a gain defined in the following equation is 0.9 or more. In the following equation, a is an input amplitude, A is amplitude, R is a radius of curvature of the convex surface, and Fpr is a flexure pitching resistance. k1 is a pitching stiffness of air bearing, and k2 is a pitching stiffness of the slider-mounted portion.Gain=A-RFprk1+k2a

The embodiment of the invention provides a disc device which can prevent a component from being peeled off from an adhesive. According to one embodiment, a disk device includes an electronic component, a flexible printed circuit board, a first adhesive, a component, and a first bonding layer. The flexible printed circuit board has a first surface facing the electronic component, a second surface located on the opposite side of the first surface, and a pad provided on the first surface and connected to the electronic component by a conductive joining body. The first adhesive is disposed on the second surface. The component has a third face facing the second face. And the first bonding layer is arranged on the third surface, enters the recess of the third surface and is fixedly connected to the second surface through the first adhesive.

Examples disclosed herein include a suspension assembly for a magnetic storage device. The suspension assembly comprises a load carrier and a bending element. The load carrier comprises a bending side and a base plate side opposite the bending side. The load carrier also has a recess formed in the bending side. The bending element is attached to the bending side of the load carrier, at least partially within the recess.

Provided are a head suspension assembly and a disc device in which the reliability of electrical connection is improved while short-circuiting of an electrode is suppressed. According to an embodiment, the head suspension assembly includes a support plate, a wiring member (40) disposed on the support plate, a head mounted on the wiring member, and a piezoelectric element (50) mounted on the wiring member. The wiring member includes a metal plate (44a) fixed to the support plate, a base insulating layer (44b), a conductive layer (44c) in which a first connection pad, a second connection pad (70b), and a plurality of wirings are formed on the base insulating layer, and a cover insulating layer (44d) laminated on the conductive layer. The base insulating layer has a first recess (HE2) formed in a region opposite to an end portion of the piezoelectric element in the vicinity of the second connection pad, and the cover insulating layer has a recess recessed along the first recess and an opening portion (OPl) provided in the recess. The piezoelectric element is connected to the second connection pad by a conductive adhesive (Ad), and a portion of the conductive adhesive is filled in the recess and the opening portion of the cover insulating layer.