Abstract: A magnetoresistive transducer head assembly includes a reader element, a writer element and a high impedance shunt electrically connecting the reader element and the writer element. The high impedance shunt provides a high impedance conductive path for maintaining electrostatic charge equipotential between the reader element and the writer element.

Abstract: A support assembly includes a base layer, a circuit defined along the base layer, and a first material molded on at least a portion of the base layer. The first material substantially forms a shape of at least a portion of the support assembly. Further disclosed is a molded suspension assembly. The molded suspension assembly includes a thin and elongate metallic substrate and a non-metallic material molded along at least a portion of one side of the metallic substrate. The non-metallic material interlocks with the metallic substrate. The molded suspension assembly includes a transducer support area at or near a first end of the molded suspension assembly.

Abstract: A storage slot for multiple data storage cartridges, comprising a planar member having a first end, a second end, a side interconnecting the first end and the second end, and a gate moveably connected to the side at the first end of the planar member, wherein the gate can be moved between a closed position and an open position. The storage slot farther comprises a secondary catch moveably disposed between the first end and the second end. When the gate is disposed in a closed position, the secondary catch is disposed in a retracted orientation, and when the gate is disposed in an open position, the secondary catch is disposed in an extended orientation.

Abstract: A hard disk drive has a disk, a spindle motor for rotating the disk, a head stack assembly including a swing arm and a head slider disposed at a leading end of the swing arm, and a controller operatively connected to the head slider. The head slider is positioned by the swing arm over the disk and floats in such position during a read/write operation in which data is being read from or written onto the disk. The head slider has a head slider body, a magnetic head embedded in the body, and at least one resistive heating element that generates heat when current is supplied thereto. The heat causes the body of the head slider to thermally expand in such a way that the profile of the disk-facing side of the body of the head slider changes. The controller controls the height of the head slider relative to the disk by controlling the supplying of current to the resistive heating element(s).

Abstract: A post-assembly head/disk offset adjuster is disclosed. One embodiment provides a housing and at least one disk coupled with the housing. In addition, an adjustable pivot plate is coupled with the housing such that access to at least one adjustment point of the adjustable pivot plate is provided regardless of a state of assembly of the hard disk drive. Furthermore, an actuator is coupled with the adjustable pivot plate. In so doing, an adjustment to the at least one adjustment point of the adjustable pivot plate results in an adjustment to the actuator regardless of the state of assembly of the hard disk drive.

Abstract: A magnetic recording head includes a recording magnetic pole, and a spin oscillation device including a first magnetic layer having at least one magnetic material layer, a second magnetic layer having at least one magnetic material layer, and a first nonmagnetic layer provided between the first magnetic layer and the second magnetic layer. The first magnetic layer and the second magnetic layer are antiferromagnetically coupled and/or magnetostatically coupled to each other. The first magnetic layer and the second magnetic layer are laminated in a direction generally parallel to a medium facing surface and generally parallel to a side surface of the recording magnetic pole intersecting with the medium facing surface.

Abstract: A novel read head includes a substrate having a trailing face and a leading face opposite the trailing face. The substrate includes a first hole therethrough that extends continuously from the trailing face to the leading face. The read head also includes a read transducer disposed on the trailing face, and a first plurality of electrically conductive trailing connection pads disposed on the trailing face. A first insulative layer is disposed on an inner surface of the first hole. A first electrically conductive filler is disposed in the first hole but is insulated from the substrate by the first insulative layer. A first electrically conductive leading connection pad is disposed on the leading face and is electrically connected to the first conductive filler.

Abstract: A method and system for providing an energy assisted magnetic recording (EAMR) transducer coupled with a laser are described. The EAMR transducer has an air-bearing surface (ABS) residing in proximity to a media during use. The method and system include providing waveguide(s), a near-field transducer (NFT), write pole(s), and coil(s). The waveguide(s) direct energy from the laser toward the ABS. The NFT is coupled with the waveguide and focuses the energy onto the media. The write pole(s) include a stitch for providing a magnetic field to the media and a yoke coupled to the stitch. The stitch includes an ABS-facing surface, a sloped surface, and an NFT-facing surface between the ABS-facing and sloped surfaces. The NFT-facing surface is substantially parallel to the NFT. The sloped surface is sloped at least twenty-five and not more than sixty-five degrees with respect to the NFT-facing surface. The coil(s) energize the write pole(s).

Abstract: The magnetic signal reproduction system comprises a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support; and a reproduction head, wherein a number of protrusions equal to or greater than 10 nm in height on the magnetic layer surface, as measured by an atomic force microscope, ranges from 50 to 2500/10,000 ?m2, a quantity of lubricant on the magnetic layer surface, denoted as a surface lubricant index, ranges from 0.5 to 5.0, a surface abrasive occupancy of the magnetic layer ranges from 2 to 20 percent, and the reproduction head is a magnetoresistive magnetic head comprising a spin-valve layer.

Abstract: An orthogonalizing bias function part formed at a rear part of an MR part in a DFL structure influencing a substantial orthogonalizing function of first and second ferromagnetic layers in respective magnetization directions thereof, non-magnetic metal layers formed to abut both ends of the MR part in a width direction and separated from both ends of the MR part by respective insulation layers, each of the non-magnetic metal layers being in a two-layer structure configured with a first non-magnetic metal layer positioned at a lower side as a lower layer and a second non-metal layer positioned at an upper side as an upper layer are configured, and relationship R2<R1 is met, where R1 is a milling rate for the first non-magnetic metal layer that is the lower layer, and R2 is another milling rate for the second non-magnetic metal layer that is the upper layer.

Abstract: A disc drive apparatus includes: an outer casing; a disc drive unit that includes a disc table on which a disc-like recording medium is mounted, a spindle motor, an optical pickup, and a pickup base; a slider that includes a main body and a rack gear, is movable in a first direction as an insertion direction and a second direction as an ejection direction, and moves in the second direction during loading and moved in the first direction during ejection; a drive motor functioning as a drive source of the slider; a deceleration gear group that intermeshes with the rack gear; an eject lever that is rotated to press the recording medium during the ejection; and a link member coupled with the eject lever, the slider including a lock plate and a slide plate.

Abstract: A stator portion of a spindle motor includes a substantially cup-shaped base member including a bottom portion expanding in a radial direction, and a wall portion extending upwards from an outer edge portion of the bottom portion. A circuit board is fixed to a lower surface of the base member in a position on the outer side in the radial direction and on the upper side than the bottom portion. Accordingly, the thickness of the spindle motor in the axial direction can be reduced. The base member has a through hole formed axially through the bottom portion. An opening edge portion of the base member is covered with the insulating layer. A conducting wire from a coil is drawn through the through hole, led out along the surface of the insulating layer, and connected to the circuit board positioned on the outer side in the radial direction than the bottom portion.

Abstract: A data storage device uses a foil disk platter with significantly reduced inertia and weight as compared to the thick aluminum or glass disk platter in a typical hard disk drive. The reduced rotating inertia of the foil disk enables faster spin-up performance which can be used to reduce decrease the power consumed by the unit. In portable appliances that use disk drive storage devices battery life can be extended significantly and the unit can be made thinner and lighter. Certain parameters of the foil disk substrate may be determined, to provide improved control of disk flutter, from a range parameter defined by RANGE = ? ? ? R 2 Et 2 where ?=foil disk substrate mass density, R=foil disk substrate radius, E=Young's modulus of foil disk substrate, and t=foil disk substrate thickness. RANGE has dimensional units of s2/in2, and the magnitude of RANGE may be between 10?6 and 3(10?4).

Abstract: A magnetic multilayered film current element includes: at least one magnetic layer; at least one film structure containing a first insulating layer where a first opening is formed, a second insulating layer where a second opening is formed and a conductor disposed between the first insulating layer and the second insulating layer under the condition that a distance “A” between the first insulating layer and a portion of the second insulating layer at a position of the second opening is set larger than a closest distance “B” between the first insulating layer and the second insulating layer; and a pair of electrodes for flowing current to a magnetic multilayered film containing the at least one magnetic layer and the at least one film structure along a stacking direction of the magnetic multilayered film.

Abstract: A slot-in type disk apparatus includes a base body and a lid forming a chassis sheath. A front surface of the chassis sheath is provided with a bezel formed with a disk-insertion opening. The bezel includes lid pawls projecting toward the lid from the bezel which is generally parallel to the disk-insertion opening. The bezel also includes steps formed on both sides of the lid pawls. The lid includes lid-side holes which are engaged with the lid pawls, respectively, and includes lid-side projections formed on both sides of the lid-side holes. In a state in which the lid pawls are engaged with the lid-side holes, the lid-side projections abut against the steps.

Abstract: Improved writability and a reduction in adjacent track erasure are achieved in a PMR writer with a large flare angle of 45 and 90 degrees in the main write pole and a full side shield or partial side shield configuration around the narrow write pole section and write pole tip. A trailing shield is formed above the write pole's top surface and a full or partial side shield section is spaced a certain distance from each side of the write pole. The partial side shield has a thickness less than that of the write pole and a top or bottom surface about coplanar with the pole tip's top or bottom edge, respectively. The partial side shield may include two sections on each side of the write pole wherein the bottom surface of a top section is separated by a certain distance from the top surface of a bottom section.

Abstract: A slider for use with disk drive data storage devices includes a topography that defines features of the slider. The features facilitate in controlling peak pressure, providing stiffness, and/or inhibiting lubricant accumulation on the slider. For example, the features include an air bearing surface and a cavity disposed in front of the air bearing surface. The cavity is closed on all sides by sidewalls.

Abstract: A suspension assembly includes a read head clamp attached to a flexure that includes structural, dielectric, and conductive layers. The clamp includes a cantilevered clamping arm sized so that its distal end is positioned to contact a leading face of a read head. The clamp also includes a wall positioned to face a trailing face of the read head. Each of a plurality of conductive probes defined in the structural layer is electrically connected to a corresponding one of a plurality of conductive traces defined in the conductive layer, by a plurality of conductive vias through the dielectric layer. Each of the plurality of conductive probes is bent out of the flexure plane and is positioned to contact the trailing face of the read head. A method for temporarily holding a read head is also disclosed.

Abstract: A slider for use with disk drive data storage devices includes a topography that defines features of the slider. The features facilitate in controlling fly-height and/or inhibiting lubricant accumulation on the slider. For example, a trailing air bearing surface of the slider may be formed around a multi-stepped channel that adjusts the fly-height. Further, a shallow shelf behind an air bearing surface and/or curved edges of the features to alter stagnation may contribute to at least inhibiting lubricant collection on the slider.

Abstract: An object is to provide a magnetic sensor permitting an increase in potential output. The magnetic sensor has a channel layer, a magnetization free layer provided on a first portion of the channel layer and configured to detect an external magnetic field, and a magnetization fixed layer provided on a second portion different from the first portion of the channel layer, and a cross-sectional area of the magnetization fixed layer in a surface opposed to the channel layer is larger than a cross-sectional area of the magnetization free layer in a surface opposed to the channel layer.