34results about "Integrated arm assemblies" patented technology

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.

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.

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.

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 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 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.

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.

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.

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.

To provide a flexure of a suspension for a disk drive and a suspension for the disk drive that can be thinner.SOLUTION: A flexure of a disk drive suspension includes: a metal base 40; and a wiring portion 50 provided along the metal base. The wiring portion has: a base insulating layer 61; a conductive layer 71 overlapping with the base insulating layer; and a cover insulating layer 81 overlapping with the conductive layer. The metal base has a pair of first portions 41A and 41B having side surfaces facing each other. At least one of the base insulating layer and the cover insulating layer is in contact with the side surface between the pair of first portions. The conductive layer does not overlap with the metal base in a stacking direction of the wiring portion.SELECTED DRAWING: Figure 6

To provide a suspension for a disk drive that can reduce crosstalk in the wiring section. [Solution] The suspension 10A has a first actuator (piezoelectric elements 30R, 30L), a second actuator (piezoelectric element 40R), and a third actuator (piezoelectric element 40L). The first conductor 33 supplies a first alternating current to the first actuator. The second conductor 41 supplies a second alternating current to the second actuator. The third conductor 42 supplies a third alternating current to the third actuator that is in the opposite phase to the second alternating current. The first conductor 33 has a first proximity portion 45 and a second proximity portion 46. The first proximity portion 45 extends along the second conductor 41 in the longitudinal direction of the wiring portion 21. The second proximity portion 46 extends along the third conductor 42 in the longitudinal direction of the wiring portion 21.

A piezoelectric (PZT) actuator assembly having a fixed end and a hinged end is provided. The assembly includes a first side electrode at the hinged end and a second side electrode at the fixed end. The assembly includes a third piezoelectric layer including a top surface and a bottom surface disposed on the top surface of the second PZT layer. A fourth electrode is at least partially disposed on the top surface of the third PZT layer. The fourth electrode is connected to the second side electrode at the fixed end.

To provide a suspension assembly that improves connection reliability of connection terminals.SOLUTION: In a hard disk drive, a head gimbal assembly, which is a suspension assembly, includes a wiring member 56. A tail connection portion 66 of the wiring member has a base layer 91, a cover layer 92, and a conductive layer 93 arranged between the base layer and the cover layer. A cover groove 105 is provided on the cover layer. The conductive layer 93 has first wiring 111, second wiring 112, and a connection terminal 67 extending between the first wiring and the second wiring across the cover groove. A base has a first base 121 covering the first wiring 1, a second base 122 covering the second wiring 112, a pair of first protrusions 127 protruding from the first base 121 and partially covering the connection terminal 67, and a pair of second protrusions 128 protruding from the second base 122, partially covering the connection terminal 67, and spaced apart from the pair of first protrusions 127.SELECTED DRAWING: Figure 5

In one embodiment, a flexure of a hard disk drive suspension is placed on a load beam of the hard disk drive suspension. The flexible member includes a metal base having a first surface facing the load beam and a second surface opposite the first surface. The metal base is provided with a carrying part, and a sliding block is installed on the carrying part. The fixing part is positioned at a position closer to the tail end than the carrying part in the longitudinal direction of the metal base, and is fixed on the load beam; and a pair of stoppers arranged along the width direction of the metal base. Wherein each of the pair of limiters comprises a plane part, the two plane parts respectively face the first surface or the second surface in the thickness direction of the metal base, and a gap is formed between the two plane parts.

A suspension (10A) according to an embodiment includes a first actuator (AC1) including piezoelectric elements (30R, 30L), a second actuator (AC2) including a piezoelectric element (40R), and a third actuator (AC3) including a piezoelectric element (40L). A first conductor (33) supplies a first alternating current to the first actuator (AC1). A second conductor (41) supplies a second alternating current to the second actuator (AC2). A third conductor (42) supplies a third alternating current having a phase opposite to that of the second alternating current to the third actuator (AC3). The first conductor (33) includes a first adjacent portion (45) and a second adjacent portion (46). The first adjacent portion (45) extends longitudinally along the second conductor (41) with the wiring unit (21). The second adjacent portion (46) extends longitudinally along the third conductor (42) with the wiring unit (21).

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 cause the read-write head to move. The head-gimbal assembly includes a flexure attached to the actuator. The flexure includes an actuator side facing the actuator and a recess formed in the actuator side and at least partially overlapping with the actuator along a virtual plane that is substantially perpendicular to a length of the 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.

To provide a high-precision hard disk drive suspension assembly for a surface density increase.SOLUTION: A suspension assembly 300 includes a carriage from which multiple arms extend, where the arms include an outer arm 302 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 carries only one suspension assembly coupled with an inner side of the outer arm, with each suspension assembly including a corresponding fine actuator 310 and a counter-suspension assembly coupled to an outer side of each outer arm, where each counter-suspension assembly includes a structurally flexible dummy load beam having a mass distribution and a stiffness distribution configured to mitigate multiple structural dynamics modes of the operating suspension assembly coupled to the inner side of the outer arm.SELECTED DRAWING: Figure 3A

A flexible member of a suspension for a magnetic disk device according to one embodiment includes a metal base and a wiring portion provided along the metal base. The wiring portion has a base insulating layer, a conductor layer laminated on the base insulating layer, and an insulating cover layer laminated on the conductor layer. The metal base has a pair of first portions having side surfaces opposite to each other. 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 the conductor layer does not overlap the metal base in a lamination direction of the wiring portion.