Abstract: According to one embodiment, a magnetic recording/reproducing apparatus includes irreversible adsorbing materials in a sealed housing for the magnetic recording/reproducing apparatus.

Abstract: According to one embodiment, a flexure for use in a suspension assembly includes: a supporting plate; a wiring member including a metal plate and a wiring substrate placed on the metal plate and has a tip-side portion placed on the supporting plate, a base end-side portion extending to an outside of the supporting plate, and a first end provided at an extension end of the base end-side portion; and a piezoelectric element mounted on the wiring member. The wiring substrate includes an insulating layer and a conductive layer stacked on the insulating layer, the conductive layer having a plurality of connecting pads including a ground pad to which a ground electrode of the piezoelectric element is connected, a plurality of connecting terminals provided at the first end and including a ground terminal, and a plurality of traces including a ground trace connecting the ground pad and the ground terminal.

Abstract: A disk device includes one or more disks, a base shaft, a bearing shaft, first and second bearing units, first and second actuator assemblies, and a damping member. The bearing shaft has a tubular portion fixed around the base shaft. The first and second bearing units are attached around the bearing shaft and aligned in an axial direction of the bearing shaft. The first and second actuator assemblies are coupled to the first and second bearing units, respectively. The damping member is provided between an outer circumferential surface of the base shaft and an inner circumferential surface of the tubular portion of the bearing shaft.

Abstract: A head suspension assembly includes a support plate, a wiring member on the support plate, a head mounted on the wiring member and electrically connected to the wiring member, and a piezoelectric element mounted on the wiring member. The piezoelectric element has first and second electrodes electrically connected to the wiring member. The wiring member includes a metal layer, a base insulating layer, a conductive layer, and a cover insulating layer stacked in order. The cover insulating layer includes a pad opening through which the first electrode is connected to the conductive layer with a conducive adhesive therebetween. The base insulating layer includes a first region below the first pad opening and a second region below a side surface of the piezoelectric element. A thickness of the base insulating layer in the second region is less than a thickness of the base insulating layer in the first region.

Abstract: According to one embodiment, a head suspension assembly includes a base plate including a first main surface, a second main surface opposing the first main surface, a distal end portion and a recess formed in the distal end portion on a side of the first main surface, a load beam including a proximal end portion disposed in the recess and fixed to a bottom surface of the recess and extending from the base plate, a wiring member disposed on the first main surface of the base plate and the load beam and a magnetic head supported by the load beam via the wiring member.

Abstract: A head suspension assembly includes a support plate, a wiring member on the support plate, a head mounted on the wiring member and electrically connected to the wiring member, and a piezoelectric element mounted on the wiring member. The piezoelectric element has first and second electrodes electrically connected to the wiring member. The wiring member includes a metal layer, a base insulating layer, a conductive layer, and a cover insulating layer stacked in order. The cover insulating layer includes a pad opening through which the first electrode is connected to the conductive layer with a conducive adhesive therebetween. The base insulating layer includes a first region below the first pad opening and a second region below a side surface of the piezoelectric element. A thickness of the base insulating layer in the second region is less than a thickness of the base insulating layer in the first region.

Abstract: A disk device includes one or more disks, a base shaft, a bearing shaft, first and second bearing units, first and second actuator assemblies, and a damping member. The bearing shaft has a tubular portion fixed around the base shaft. The first and second bearing units are attached around the bearing shaft and aligned in an axial direction of the bearing shaft. The first and second actuator assemblies are coupled to the first and second bearing units, respectively. The damping member is provided between an outer circumferential surface of the base shaft and an inner circumferential surface of the tubular portion of the bearing shaft.

Abstract: According to one embodiment, a magnetic recording/reproducing apparatus includes irreversible adsorbing materials in a sealed housing for the magnetic recording/reproducing apparatus.

Abstract: According to one embodiment, a suspension assembly includes a support plate including a distal end and a proximal end portion, a wiring member including a gimbal portion and provided on the support plate, and a magnetic head mounted on the gimbal portion. The gimbal portion includes a first end portion located on a side of the proximal end portion with respect to the magnetic head and welded to the support plate, a second end located on a side of the distal end portion with respect to the magnetic head and welded to the support plate, a tongue portion on which the magnetic head is mounted, located between the first end portion and the second end portion, and supported so as to be displaceable relative to the support plate, and a limiter opposing the tongue portion with a gap.

Abstract: According to one embodiment, a suspension assembly includes a support plate including a distal end and a proximal end portion, a wiring member including a gimbal portion and provided. on the support plate, and a magnetic head mounted on the gimbal portion. The gimbal portion includes a first end portion located on a side of the proximal end portion with respect to the magnetic head and welded to the support plate, a second end located on a side of the distal end portion with respect to the magnetic head and welded to the support plate, a tongue portion on which the magnetic head is mounted, located between the first end portion and the second end portion, and supported so as to be displaceable relative to the support plate, and a limiter opposing the tongue portion with a gap.

Abstract: A thin-film piezoelectric material element includes a piezoelectric part having a laminated structure which a lower electrode film, a piezoelectric material film and an upper electrode film are laminated sequentially, and electrode pads connected with the piezoelectric part. The thin-film piezoelectric material element has solder regulating parts formed on pad surfaces being surfaces of the electrode pads. The solder regulating parts have peripheral edge parts and crossing edge parts connected with the two outer edge parts, and formed to cross the pad surfaces. The crossing edge parts are formed in a bow like curve-shape having curved parts, being gradually distant from the shortest line as they are distant more from the outer edge parts.

Abstract: A thin-film piezoelectric material element includes a piezoelectric part having a laminated structure which a lower electrode film, a piezoelectric material film and an upper electrode film are laminated sequentially, and electrode pads connected with the piezoelectric part. The thin-film piezoelectric material element has solder regulating parts formed on pad surfaces being surfaces of the electrode pads. The solder regulating parts have peripheral edge parts and crossing edge parts connected with the two outer edge parts, and formed to cross the pad surfaces. The crossing edge parts are formed in a bow like curve-shape having curved parts, being gradually distant from the shortest line as they are distant more from the outer edge parts.

Abstract: According to one embodiment, a disk device includes a housing and a sealing board fixed to a base of the housing. The base includes a through-hole and an installation surface formed around the through-hole. One of a first principal surface of the sealing board and the installation surface includes a projection formed therein. The sealing board is fixed to the installation surface by an adhesive material provided on an outer side of the projection with respect to the through-hole with the first principal surface or the installation surface abutting against the projection.

Abstract: According to one embodiment, a disk device includes a housing and a sealing board fixed to a base of the housing. The base includes a through-hole and an installation surface formed around the through-hole. One of a first principal surface of the sealing board and the installation surface includes a projection formed therein. The sealing board is fixed to the installation surface by an adhesive material provided on an outer side of the projection with respect to the through-hole with the first principal surface or the installation surface abutting against the projection.

Abstract: According to an embodiment, a head gimbal assembly includes a support plate, a wiring member, a magnetic head and drive members. A gimbal portion of the wiring member includes a thin metallic plate including a tongue portion mounted with a magnetic head, a proximal end portion fixed to the support plate, support projections, and link portions, an insulating layer including first bridge portions extending from the proximal end portion to the tongue portion, and second bridge portions extending from the proximal end portion to middle portions of the first bridges, and a conducive layer including signal wirings extending to the tongue portion through the second and first bridge portions, and reinforcement wiring portions. The drive members are provided at the first bridge portions.

Abstract: According to one embodiment, a head gimbal assembly includes a support plate, a wiring member including a thin metallic plate, an insulating layer and a conductive layer, the wiring member including a tongue portion located on a convex portion of the support plate, a proximal end portion fixed onto the support plate, and a bridge portion bridged between the tongue portion and the proximal end portion and including a inflection point with respect to a height direction of warping, a magnetic head attached to the tongue portion, and a piezoelectric element bonded to the bridge portion at a section between the proximal end portion and the inflection point.

Abstract: According to one embodiment, a head gimbal assembly includes a support plate, a wiring member including a thin metallic plate, an insulating layer and a conductive layer, the wiring member including a tongue portion located on a convex portion of the support plate, a proximal end portion fixed onto the support plate, and a bridge portion bridged between the tongue portion and the proximal end portion and including a inflection point with respect to a height direction of warping, a magnetic head attached to the tongue portion, and a piezoelectric element bonded to the bridge portion at a section between the proximal end portion and the inflection point.

Abstract: According to an embodiment, a head gimbal assembly includes a support plate, a wiring member, a magnetic head and drive members. A gimbal portion of the wiring member includes a thin metallic plate including a tongue portion mounted with a magnetic head, a proximal end portion fixed to the support plate, support projections, and link portions, an insulating layer including first bridge portions extending from the proximal end portion to the tongue portion, and second bridge portions extending from the proximal end portion to middle portions of the first bridges, and a conducive layer including signal wirings extending to the tongue portion through the second and first bridge portions, and reinforcement wiring portions. The drive members are provided at the first bridge portions.

Abstract: According to one embodiment, a suspension assembly includes a support plate including a distal end portion, a trace member attached to the support plate, an elastic supporting member made from a distal end portion of the trace member and configured to support a head, and an actuation element expandable/contractible in the longitudinal direction of the trace member, at least a part of a bottom of which is adhered to a seating surface formed from a cover insulating layer of the trace member.

Abstract: According to one embodiment, a head gimbal assembly includes a support plate, a wiring member including a thin metallic plate, an insulating layer and a conductive layer, the wiring member including a tongue portion located on a convex portion of the support plate, a proximal end portion fixed onto the support plate, and a bridge portion bridged between the tongue portion and the proximal end portion and including a inflection point with respect to a height direction of warping, a magnetic head attached to the tongue portion, and a piezoelectric element bonded to the bridge portion at a section between the proximal end portion and the inflection point.