55results about "Integrated arm assemblies" patented technology

According to one embodiment, a suspension assembly includes a support plate, a wiring member provided on the support plate and including an elastically deformable gimbal portion including a tongue portion on which a magnetic head is mounted and an outrigger connected to the tongue portion, and a viscoelastic material filled into a gap between the outrigger and the support plate and forming a damper.

A trace gimbal is described. The trace gimbal includes outer struts including a front outrigger at a distal end of the trace gimbal and a rear outrigger at a proximal end of the trace gimbal. The front outrigger includes a distal front outrigger and a proximal front outrigger. The rear outrigger includes a distal rear outrigger and a proximal rear outrigger. The trace gimbal also includes a middle strut extending from the distal rear outrigger and adjoining the proximal front outrigger to the rear outrigger. The middle strut extends from a slider tongue adjoining the outer gimbal struts to the slider tongue.

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.

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.

The present invention provides a head gimbal assembly that reduces contact between the flexure and the actuator, a method for manufacturing the same, and a magnetic storage system. [Solution] In a magnetic storage device, the head gimbal assembly 109 includes a load beam 196, a read / write head 134, and an actuator 120 configured to move the read / write head. The head gimbal assembly includes a flexure 140 attached to the actuator. The flexure includes an actuator side 123 facing the actuator and a recess 111 formed on the actuator side that at least partially overlaps the actuator along a virtual plane substantially perpendicular to the length of the load beam.

The present invention provides a head actuator and a disk device that have improved reliability by reducing crosstalk between wirings. According to an embodiment, the head actuator and the disk device include a first suspension assembly having a first wiring member and a second suspension assembly having a second wiring member. The first wiring member includes at least four first read wirings and at least four first write wirings spaced apart and arranged in parallel in the width direction of the first wiring member. The plurality of second wirings of the second wiring member include at least four second read wirings and at least four second write wirings spaced apart and arranged in parallel in the width direction of the second wiring member. The at least two first read wirings and the at least two first write wirings are arranged at positions offset in the width direction relative to the second read wirings and the second write wirings in a manner that is not opposite to the second read wirings and the second write wirings in a direction perpendicular to the surface of the first wiring member.

A trace gimbal is described. The trace gimbal includes outer struts including a front outrigger at a distal end of the trace gimbal and a rear outrigger at a proximal end of the trace gimbal. The trace gimbal also includes a connecting strut connecting to the front outrigger and the rear outrigger. The connecting strut can have a width greater than a width of the outriggers. An inner strut can be connected to the connecting strut at a first end and a slider tongue at a second end.

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.

A die set to bend a work including a pair of flange bending parts. The die set includes: a die supporting a first part of the work in a length direction; a pad including a pressure surface which holds the work with the die; and a punch which presses a second part of the work in the length direction in a thickness direction of the work while the first part of the work is held between the die and the pad. The die includes: a flat supporting surface supporting the work; a first relief part including a first inclined surface; and a second relief part including a second inclined surface.

The invention relates to a flexure with varying thickness for a magnetic storage device. Examples of the present disclosure include a head gimbal assembly for a magnetic storage device. The head gimbal assembly includes a load beam, a read-write head, and an actuator configured to move the read-write head. The head gimbal assembly includes a flexure attached to the actuator. The flexure includes: an actuator side, the actuator side facing the actuator; and a recess formed in the actuator side and at least partially overlapping the actuator along a virtual plane that is substantially perpendicular to a length of the load beam.

To provide: a suspension assembly capable of stably joining a magnetic head to a wiring member; and a disk device having the same.SOLUTION: According to an embodiment, a suspension assembly includes: a support plate; a wiring member which includes an elastically deformable gimbal portion that has a tongue portion, on which a magnetic head is mounted, and an outrigger connected to the tongue portion, and which is provided on the support plate; and a viscoelastic material filled in the gap between the outrigger and the support plate to form a damper.SELECTED DRAWING: Figure 7

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.

According to one embodiment, a suspension assembly capable of improving positioning accuracy of a magnetic head and a disk device provided with the suspension assembly are provided. According to one embodiment, a suspension assembly is provided with: a support plate; a wiring member provided on the support plate and having an elastically deformable universal joint portion having a tongue portion on which a magnetic head is mounted and an overhang bracket connected to the tongue portion; and the viscoelastic material is filled in a gap between the overhanging bracket and the supporting plate to form a damping piece.

Devices including a substrate and a plurality of coil portions disposed on the substrate. The plurality of coil portions electrically coupled to form a coil structure.

A processing method of a work includes: forming flange bending parts at respective side parts of the work, the flange bending parts including first bending parts extending in a length direction of the work; holding a first part of the work in the length direction where the flange bending parts are formed between a die and a pad; and pressing a second part of the work in the length direction in a thickness direction to form a second bending part extending in a width direction of the work between the first part and the second part. The die includes a supporting surface supporting the work, a first relief part including a first inclined surface, and a second relief part including a second inclined surface.

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 head stack assembly (HSA) for a hard disk drive includes a carriage from which a plurality of arms extend, where the arms include outer arms at each end of the carriage and inner arms between the outer arms such that each inner arm carries two suspension assemblies and each outer arm only carries one suspension assembly coupled with an inner side of the outer arm, wherein each suspension assembly includes a corresponding fine actuator. The HSA also includes a reverse suspension assembly coupled to an outer side of each outer arm, where each reverse suspension assembly includes a structurally flexible dummy load beam having a mass distribution and a stiffness distribution configured to mitigate a plurality of structural dynamic modes of an operating suspension assembly coupled to the inner side of the outer arm.

A flexure of a hard disk drive suspension according to one embodiment is a flexure which overlaps with a load beam provided in the hard disk drive suspension. The flexure includes a metal base having a first surface facing the load beam and a second surface on a side opposite to the first surface. The metal base includes a mounting portion on which a slider is mounted, a fixed portion provided at a tip side beyond the mounting portion in a longitudinal direction of the metal base and fixed to the load beam, and a pair of limiters arranged in a width direction of the metal base. each of the pair of limiters includes a planar portion facing the first surface or the second surface with a gap in a thickness direction of the metal base.

To provide a flexure having an inspection pad provided at a flexure tail.SOLUTION: A flexure tail 22 includes a tail pad part 22d, a tail electrode 25, a conductor connection part 51 that is electrically connected with a conductor 32a', a jumper conductor 52, and an inspection pad 60. The jumper conductor 52 has: a first portion 52c that includes a first end part 52a electrically connected with the conductor connection part 51; and a second portion 52d that includes a second end part 52b placed in a direction opposite to the tail pad part 22d and is along an opening 38 formed at a metal base 30. An air gap 57 that electrically insulates the metal base 30 is formed around the entire circumference of the jumper conductor 52. A narrow part 58 is formed between the opening 38 and the air gap 57. At a middle part 52e between the first end part 52a and the second end part 52b of the jumper conductor 52, a bending part is formed which bends in a direction ensuring a width W2 of the narrow part 58 with an angle θ formed with respect to the first portion 52c by the second portion 52d.SELECTED DRAWING: Figure 5

A flexible member (15) includes a metal base (40), a base insulating layer (41) formed on the metal base (40), a terminal (61) formed on the base insulating layer (41), a conductor portion (45a) electrically conductive with the terminal (61), and a detour extension portion (70) formed on the conductor portion (45a). The conductor portion (45a) includes a conductor (42a) and a covering layer (43a) covering the conductor (42a). A conductive adhesive (50) is provided to the terminal (61). The detour extension portion (70) is formed in the longitudinal middle of the conductor portion (45a) and extends from a side surface (80) of the conductor portion (45a) along the base insulating layer (41) in a direction intersecting the length of the conductor portion (45a).

To provide a flexure capable of suppressing movement of a liquid-type conductive adhesive supplied to a terminal along a conductive portion to a portion other than the terminal.SOLUTION: A flexure 15 has a metal base 40, a base insulating layer 41 formed on the metal base 40, a conductive portion 45a formed on the base insulating layer 41, a terminal 61, and an extension portion 70 for bypassing. The conductive portion 45a has a conductor 42a and a cover layer 43a covering the conductor 42a. A conductive adhesive 50 is supplied to the terminal 61. The extension portion 70 for bypassing is formed in the middle of a length direction of the conductive portion 45a and extends from a side surface 80 of the conductive portion 45a along the base insulating layer 41 in a direction intersecting the length direction of the conductive portion 45a.SELECTED DRAWING: Figure 4

To provide a flexible suspension for hard disk drives that can suppress the deterioration of reliability. [Solution] A flexi-shaft for a hard disk drive suspension according to one embodiment is a flexi-shaft that is superimposed on a load beam provided by the hard disk drive suspension. The flexi-shaft comprises a metal base having a first surface facing the load beam and a second surface opposite to the first surface. The metal base has a mounting portion on which a slider is mounted, a fixing portion provided on the longitudinal side of the metal base toward the tip of the mounting portion and fixed to the load beam, and a pair of limiters arranged in the width direction of the metal base. Each of the pair of limiters includes a planar portion that faces the first surface or the second surface with a gap in the thickness direction of the metal base.

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 flexure of a disk drive suspension includes a metal base, and a wiring portion provided along the metal base. The wiring portion includes a base insulating layer, a conductor layer overlapping with the base insulating layer, and a cover insulating layer overlapping with the conductor layer, and the metal base includes a pair of first portions having side surfaces opposed to each other and a second portion overlapping with the conductor layer and connected to the pair of first portions. At least one of the base insulating layer and the cover insulating layer is in contact with the side surfaces between the pair of first portions, and a thickness of the second portion is smaller than a thickness of the first portions.

Methods of critical dimension (CD) uniformity control for magnetic head devices are disclosed. In some embodiments, a method can include providing a film stack, the film stack including a substrate, a magnetoresistive (MR) sensor layer, and a hard mask layer, patterning the hard mask layer using a first mask that defines critical shape patterns other than the CD, forming a mandrel pattern using a second mask that defines the CD, and forming a sidewall spacer pattern on sidewalls of the mandrel pattern, and removing the mandrel pattern.

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.

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.

A processing method of a work includes: forming flange bending parts at respective side parts of the work, the flange bending parts including first bending parts extending in a length direction of the work; holding a first part of the work in the length direction where the flange bending parts are formed between a die and a pad; and pressing a second part of the work in the length direction in a thickness direction to form a second bending part extending in a width direction of the work between the first part and the second part. The die includes a supporting surface supporting the work, a first relief part including a first inclined surface, and a second relief part including a second inclined surface.