Abstract: An accessor includes a main body unit configured to convey a recording medium in a first direction, the main body unit being attached to a housing of a library device to be movable in the first direction, a picker configured to convey the recording medium in a second direction intersecting with the first direction, the picker being mounted on the main body unit to be movable in the second direction, and a cleaner mounted on a surface of the picker along the second direction.

Abstract: According to one embodiment, a magnetic recording and reproducing device includes a magnetic recording medium and a magnetic head. The magnetic recording medium includes a first track including a first sub-track extending along a first direction, and a second sub-track extending along the first direction. The second sub-track is arranged with the first sub-track in a second direction intersecting the first direction. The magnetic head includes a recording unit and a reproducing unit. The recording unit records information in the magnetic recording medium. The reproducing unit reproduces the information recorded in the magnetic recording medium. The recording unit includes a magnetic pole, a write shield separated from the magnetic pole in the first direction, and a side shield separated from the magnetic pole in the second direction. The reproducing unit includes a reproducing element having a reproducing width along the second direction.

Abstract: According to one embodiment, a magnetoresistance effect element includes first and second shields, first and second side magnetic units, a stacked body, and a hard bias unit. The first side magnetic unit includes a first soft magnetic layer, a first nonmagnetic intermediate layer, and a second soft magnetic layer. The second side magnetic unit includes a third soft magnetic layer, a second nonmagnetic intermediate layer, and a fourth soft magnetic layer. The stacked body includes a fifth ferromagnetic layer, a third nonmagnetic intermediate layer, and a sixth ferromagnetic layer. The hard bias unit is provided between the first and second shields. A first distance between the first and fifth magnetic layers is shorter than a second distance between the second and sixth magnetic layers. A third distance between the third and fifth magnetic layers is shorter than a fourth distance between the fourth and sixth magnetic layers.

Abstract: A flexure of a disk drive suspension with a magnetic head having first and second elements. The flexure includes a metal base, a conductive circuit along the metal base, and a tail pad in a flexure tail of the flexure. The tail pad includes first and second frames with an opening therebetween; a first pair of tail terminals arranged between and insulated from the first and second frames, connected to the first element; a second pair of tail terminals arranged between and insulated from the first and second frames, connected to the second element; and a third pair of tail terminals arranged between and insulated from the first and second frames, connected to a third element. First, second and third bridge elements of the metal base are arranged between first tail terminals, second tail terminals, and third tail terminals, respectively. A first bridge-free opening portion is between the first and second tail terminals, and a second bridge-free opening portion is between the first and third tail terminals.

Abstract: A two-dimensional magnetic recording (TDMR) read head with an antiferromagnetic (AFM) layer recessed behind a center shield. The TDMR read head comprises a first read sensor and a center shield over the first read sensor, wherein the center shield has a first thickness at an air-bearing surface (ABS) and a second thickness at a back surface, the first thickness being greater than the second thickness. A ferromagnetic layer is disposed over a portion of the center shield, wherein the ferromagnetic layer is recessed from the ABS. The TDMR read head also includes an antiferromagnetic layer over the ferromagnetic layer and a second read sensor over the antiferromagnetic layer. By recessing the AFM layer away from the ABS, the down-track spacing between read sensors is reduced, thereby improving TDMR read head performance.

Abstract: A head gimbal assembly (HGA) for a disk drive includes a load beam, a laminated flexure attached to the load beam, and a head attached to the laminated flexure. The laminated flexure includes a tail for electrical connection between the head and a flex cable of a head stack assembly. The laminated flexure tail may include a plurality of conductive traces, a structural layer, and a dielectric layer there between, and may be disposed partially within a slot of an actuator arm. A first insulative cover layer is disposed on the plurality of conductive traces. A plurality of stand-off islands is disposed on the first insulative cover layer, and over at least one of the plurality of conductive traces (e.g. the writer traces). At least one of the plurality of stand-off islands is at least partially disposed between the first insulative cover layer and the inner slot surface.

Abstract: A suspension board with circuit includes a metal supporting board, a first insulating layer including a disposing portion formed at one side in a thickness direction of the metal supporting board, a first conductive layer including a first wire portion formed at the one side of the first insulating layer, a second insulating layer including a covering portion covering the first wire portion, and a second conductive layer including a second wire portion formed at the one side of the second insulating layer and a terminal portion connected to the first or second wire portion. The second insulating layer includes a second terminal supporting portion formed at the other of the terminal portion. The first insulating layer includes a first terminal supporting portion formed at the other side of the second terminal supporting portion. The metal supporting board is not formed at the other side thereof.

Abstract: A head gimbal assembly for a hard disk drive comprises a flexure having a planar surface and a standoff structure extending from the planar surface, where the standoff structure includes a monolithic element. A head slider in which a read-write head is housed is adhered to the flexure with an adhesive, such that the adhesive surrounds the monolithic element so that the monolithic element may absorb strain energy caused by curing of the adhesive.

Abstract: A multi-sensor reader that includes a first sensor that has a first sensor stack, which includes a sensing layer that has a magnetization that changes according to an external magnetic field. The first sensor also includes a first seed element below the first sensor stack. The multi-sensor reader also includes a second sensor stacked over the first sensor. The second sensor includes a second sensor stack, which includes a sensing layer that has a magnetization that changes according to the external magnetic field. The second sensor also includes a second seed element below the second sensor stack. The second seed element is structurally different from the first seed element and includes a stabilization feature.

Abstract: Examples of slide-in ramps for hard-disk drives are disclosed. In one example according to aspects of the present disclosure, a slide-in ramp includes: a ramp body, a head load/unload section connected to the ramp body, and a slot defined in the ramp body. The slot includes a first portion and a second portion. A first upper surface of the ramp body surrounds the first portion of the slot at a top side of the ramp body, and a second upper surface of the ramp body surrounds the second portion of the slot at the top side of the ramp body. The second upper surface is non-coplanar with the first upper surface according to various examples.

Abstract: A multi-sensor reader that includes a first sensor that has a sensor stack, which includes a free layer (FL) that has a magnetization that changes according to an external magnetic field. The first sensor also includes a shielding structure that is positioned over the sensor stack. The multi-sensor reader also includes a second sensor stacked over the first sensor. The second sensor includes a sensor stack, which includes a FL that has a magnetization that changes according to the external magnetic field. The multi-sensor reader further includes an isolation layer between the first sensor and the second sensor. A FL-to-FL spacing reduction feature is included in at least one of the isolation layer or the shielding structure.

Abstract: A disk clamp for clamping a plurality of disks within a disk drive has a single fastening hole located at its symmetrical center sized to pass the shaft of a screw having a head diameter larger than the fastening hole. The screw fastens the disk clamp to a motor hub supporting the plurality of disks. The disk clamp has a moat around the fastening hole, at a maximum diameter that is smaller than the head diameter of the head on the fastening screw. The moat may be circular, have spike trenches angled toward the fastening hole, or be spiral. The diameter of the spiral moat decreases in a clockwise or counterclockwise direction toward the fastening hole. The midsection of the disk which the screw head covers is biased at a negative angle toward the fastening hole forcing particles generated during assembly toward the fastening hole of the disk clamp.

Abstract: A magnetic head has a magnetic head slider that includes a recording element that generates a recording signal magnetic field, a microwave magnetic field generating element that generates a microwave magnetic field, a terminal electrode, and a first transmission line that interconnects the terminal electrode and the microwave magnetic field generating element. A second transmission line is connected to the terminal electrode, the second transmission line being used to transmit a microwave signal from the outside of the magnetic head slider to the magnetic head slider. A capacitor connected to the first transmission line is provided between the terminal electrode and the microwave magnetic field generating element. Accordingly, in the magnetic head, a microwave signal is efficiently propagated.

Abstract: A magneto-resistive effect element has a first shield layer, a second layer, and a multilayer film that is positioned between the first shield layer and the second shield layer. The multilayer film has a free layer, a first pinned layer, a nonmagnetic spacer layer, a second pinned layer that fixes a magnetization direction of the first pinned layer, and an antiferromagnetic layer that is exchange-coupled with the second pinned layer. The antiferromagnetic layer is positioned away from an air bearing surface (ABS).

Abstract: A sealing gasket sheet and a storage drive are provided. The sealing gasket sheet includes a first adhesive layer, a metal layer disposed adjacent to the first adhesive layer, and a second adhesive layer disposed adjacent to the metal layer. The storage drive includes an enclosure formed by a storage drive base and a cover with the sealing gasket sheet between the storage drive base and the cover.

Abstract: A data storage device may have one or more data writers that are configured with at least one write pole and shield. The write pole and shield can each be positioned on an air bearing surface. The shield may have first and second protrusions each extending from a shield body towards the write pole with the first protrusion positioned on the air bearing surface and the second protrusion separated from the air bearing surface and first protrusion by a lateral notch.

Abstract: In certain embodiments, an apparatus includes a basedeck; a motor coupled to the basedeck and having a rotatable hub; and first, second, third, fourth, and fifth discs coupled to the hub. Three of the five discs are biased against the hub in a first direction and two of the five discs are biased against the hub in a second direction. In certain embodiments, a method includes biasing at least three discs against a hub in a first direction and biasing at least two discs against the hub in a second direction.

Abstract: A suspension board with circuit includes a metal supporting layer, an insulating base layer on one side thereof in a thickness direction, a conductive pattern disposed on the insulating base layer, an insulating cover layer disposed on the insulating base layer so as to cover the conductive pattern, and a pedestal for supporting a slider which includes a thin pedestal portion. The thin pedestal portion includes a pedestal base layer included in the insulating base layer, a pedestal conductive layer included in the conductive pattern which extends over the pedestal base layer, and a pedestal cover layer included in the insulating cover layer and disposed on the pedestal conductive layer. The conductive pattern includes a first wire placed to extend over the insulating base layer which has a narrower portion, and a dimension of the pedestal conductive layer is 0.5 to 3 times the dimension of the narrower portion.

Abstract: Implementations disclosed herein provide a method of forming a first layer of a front shield in a magnetic recording head, depositing an active shield control (ASC) device on the first layer, and forming a second layer of the front shield on top of the ASC device and the first layer of the front shield. In another implementation, an apparatus includes a write pole, and a two layer front shield formed on the write pole, including an ASC device between the two layers of the front shield.

Abstract: A magnetic head includes a coil, a main pole and a return path section. The return path section includes a yoke section, and a coupling section coupling the yoke section to the main pole. The coil includes a first coil portion surrounding at least part of an outer peripheral surface of the coupling section, and a second coil portion surrounding at least part of the entire perimeter of the main pole as viewed from the medium facing surface. The winding of the coil includes a common portion used in common to form part of the first coil portion and part of the second coil portion.