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US20150062755 |
DUAL READER STRUCTURE
Implementations described and claimed herein provide a dual reader wherein a bottom shield is attached to side shields. |
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US20150077882 |
READER STRUCTURE
Implementations described and claimed herein provide a synthetic antiferromagnetic (SAF) layer with canted pinning, wherein a down-track direction facing surface of the SAF layer has edges that... |
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US20120050918 |
CONTAMINATION AND SERVO WRITE ROBUST ABS FOR SERVER APPLICATIONS
A head slider for a disk drive storage device. The head slider is adapted to fly at the target height above the disk, reduce contamination by preventing particles from being trapped under the head... |
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US20110019311 |
TOP BOND DESIGN FOR PERFORMANCE ENHANCEMENT
An assembly includes a slider having an air bearing surface and a slider mounting surface opposite the air bearing surface. The slider mounting surface includes first, second, third, and fourth... |
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US20120099224 |
SLIDER FOR A HEAD GIMBAL ASSEMBLY WITH AN INVERTED DIMPLE
Apparatus and method for forming a head gimbal assembly (HGA). In accordance with various embodiments, a slider is formed with opposing first and second side surfaces, an air bearing feature on... |
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US20120127613 |
SLIDER PAD FOR CONTACT MITIGATION
An apparatus and associated method for a slider pad that allows for contact to be mitigated without plastic deformation. Various embodiments of the present invention are generally directed to a... |
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US20110063757 |
SLIDER PAD FOR CONTACT MITIGATION
An apparatus and associated method for a slider pad that allows for contact to be mitigated without plastic deformation. Various embodiments of the present invention are generally directed to a... |
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US20110032641 |
MAGNETIC HEAD SLIDER
A magnetic head slider comprising: an air inflow end; an air bearing surface; and an air outflow end, the air bearing surface comprising: an inflow side rail face further formed towards the air... |
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US20130010391 |
THERMAL FLYING HEIGHT CONTROL SLIDER WITH SLIT IN HARD DISK DRIVER
A slider includes a void for controlling the flying height of the slider over a disk in a HDD. The slider comprises a slider body having a leading surface and a trailing surface. A read/write... |
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US20130070371 |
SILVER ALLOY ELECTRICAL LAPPING GUIDES (ELGs) FOR FABRICATION OF DISK DRIVE SLIDERS WITH MAGNETORESISTIVE SENSORS
An electrical lapping guide (ELG) for the fabrication of an air-bearing slider used in a magnetic recording disk drive is formed of a different material than the magnetoresistive (MR) read head or... |
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US20130083432 |
MAGNETIC BIAS STRUCTURE FOR MAGNETORESISTIVE SENSOR
A magnetic read head having a hard bias structure that both optimizes magnetic bias field and also ensures manufacturability while maintaining sensor stripe height integrity. The read head... |
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US20090002890 |
Spoiler with integrated bypass channel wall for HDD applications
A spoiler implementable in a hard disk drive. The spoiler includes a structure. The structure includes a diffuser integrated therewith. The structure further includes an extension emanating there... |
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US20140111886 |
Graded Bevel Tapered Write Pole Design for Field Enhancement
A structure and a process for a perpendicular write pole that provides increased magnetic flux at the ABS is disclosed. This is accomplished by increasing the amount of write flux that originates... |
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US20150055251 |
READER STRUCTURE
An apparatus disclosed herein includes a sensor with a free layer having cross-track easy axis anisotropy. |
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US20140022672 |
DEVICES AND METHODS FOR REDUCING LUBRICANT ACCUMULATION ON SLIDERS
In certain embodiments, a slider includes an air bearing surface having a cavity. The cavity includes transition features at an upstream side of the cavity to mitigate air flow expansion along the... |
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US20140268421 |
MAGNETIC SENSOR WITH DIFFERING STRIPE HEIGHTS
A magnetic sensor may be generally configured in accordance with various embodiments to have a magnetically responsive stack with first and second free layers and without a fixed magnetization.... |
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US20150062756 |
READER STRUCTURE
An apparatus disclosed herein comprises a reader structure having a sensor stack and a bottom shield having a first end and a second end on opposite sides of the bottom shield in a cross-track... |
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US20150062753 |
STIFF DISCRETE INSERT ARRAY FOR THERMAL PTR MANAGEMENT WITH DESIRED INDUCED STRESS STATE THAT REDUCES TENDENCY FOR WRITE POLE ERASURE
Embodiments of the present invention generally relate to a magnetic device having a discontinuous array of columns disposed near a magnetic pole. Each column has a length extending perpendicular... |
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US20130163121 |
MAGNETIC SENSOR HAVING HARD BIAS STRUCTURE FOR OPTIMIZED HARD BIAS FIELD AND HARD BIAS COERCIVITY
A magnetic read sensor having a hard bias structure that extends beyond the back edge of the sensor stack by a controlled, distance that is chosen to maximize both hard bias field and hard bias... |
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US20110141622 |
HEAD SLIDER WITH A POCKET FOR SUPPRESSING VARIABILITY IN LEVITATION
A head slider with a pocket. An air bearing surface. A central levitating surface. A magnetic recording head provided in proximity to a trailing edge side of the central levitating surface. A deep... |
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US20150070800 |
Injector Stack with Diffusive Layer
A data reader may be configured at least with detector and injector stacks that each has a common spin accumulation layer. The detector stack may positioned on an air bearing surface (ABS) while... |
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US20150062754 |
WRITER CORE INCORPORATING THERMAL SENSOR HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE
A writer core of a transducer is configured to interact with a magnetic recording medium and comprises an upper core and a lower core. At least one of the upper and lower cores comprises a return... |
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US20130176643 |
DISTRIBUTED TEMPERATURE DETECTOR ARCHITECTURE FOR HEAD DISK INTERFACE SYSTEMS
Approaches for a distributed temperature detector architecture in a head disk interface system of a hard-disk drive (HDD). A HDD may include a read/write head comprising a read element and a write... |
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US20080259498 |
PERPENDICULAR WRITE HEAD WITH INDEPENDENT TRAILING SHIELD DESIGNS
A magnetic write head having independent trailing and side magnetic shields. The side shields and trailing shields are independently of one another so that they can have throat heights that are... |
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US20110157748 |
HEAD AND DISK DRIVE WITH SAME
According to one embodiment, a facing surface of a slider of a head includes a leading step on an inflow side of the slider, a leading pad on the leading step, a pair of side steps extending in a... |
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US20090128959 |
Self PSA adjustment using thermal adapter on suspension for improving takeoff in hot/wet environment
A suspension arm assembly for a hard disk drive that includes a suspension arm and a thermal adaptor. The thermal adaptor has a thermal coefficient of expansion that is different from the thermal... |
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US20150228297 |
MAGNETIC SENSOR HAVING OPTIMAL FREE LAYER BACK EDGE SHAPE AND EXTENDED PINNED LAYER
A magnetic read sensor having an extended pinned layer and having a free layer structure with a back edge formed at an angle for optimizing sensor performance and pinned layer pinning. The... |
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US20100142092 |
ACTIVE COMPENSATION OF FLYING HEIGHT IN MAGNETIC DISK DRIVES
Magnetic disk drives and associated methods are described for performing an active flying height compensation process for a slider of a magnetic disk drive. For the flying height compensation... |
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US20100321831 |
WRITE POLE FABRICATED USING A CARBON HARD MASK AND METHOD OF MAKING
A magnetic writer comprises a write pole, a substrate and a non-magnetic, oxygen-free buffer material. The write pole has a leading edge, a trailing edge, a first side and second side. The... |
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US20120236437 |
WRITE POLE FABRICATED USING A CARBON HARD MASK AND METHOD OF MAKING
A magnetic writer comprises a write pole, a substrate and a non-magnetic, oxygen-free buffer material. The write pole has a leading edge, a trailing edge, a first side and second side. The... |
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US20100226035 |
ABS WITH LUBRICANT CONTROL TRENCHES FOR HARD DISK DRIVES
A method and apparatus for controlling lubrication in hard disk drives. Hard disk drives often include lubrication on the disks to protect the disks from incidental contact with the head slider.... |
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US20090273859 |
FORMING A POLE TIP TOPOGRAPHY
A method of forming a pole tip topography associated with an air bearing surface (ABS) of a hard disk drive slider is disclosed. The method etches an exposed pole tip region of an ABS at a first... |
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US20150002961 |
SCISSOR MAGNETIC SENSOR HAVING A BACK EDGE SOFT MAGNETIC BIAS STRUCTURE
A scissor type magnetic sensor having a soft magnetic bias structure located at a back edge of the sensor stack. The sensor stack includes first and second magnetic free layers that are... |
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US20110007422 |
Protected Transducer for Dead Layer Reduction
A transducer includes magnetic material formed on a substrate that is shaped to include a trailing edge, a leading edge and a pair of opposing sidewalls extending between the trailing edge and the... |
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US20140002930 |
MAGNETIC ELEMENT WITH BIASED SIDE SHIELD LAMINATION
A magnetic element is generally provided that can be implemented as a transducing head. Various embodiments may configure a magnetic stack having a magnetically free layer with a predetermined... |
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US20150070799 |
Depolarizing Layer in a Magnetic Stack
A data reader may be configured at least with a magnetic stack positioned on an air bearing surface (ABS) and contacting a spin depolarizing layer that is a minority spin current carrier. The spin... |
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US20150248907 |
RECESSED IRMN READER SENSOR DESIGN WITH HIGH HK APPLIED TO BOTH REFERENCE AND PIN LAYERS
The embodiments disclosed generally relate to a magnetic read head having a recessed antiferromagnetic layer and a recessed pinned magnetic layer. The recessed pinned magnetic layer is only... |
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US20100157480 |
HEAD SLIDER AND STORAGE DEVICE
According to one embodiment, a head slider includes a center pad, a pair of center rails, and a center rail connection wall. The center pad is located in the center on the air outflow end side.... |
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US20090034125 |
Load/unload ramp spoiler for a hard disk drive
A load/unload ramp spoiler for a hard disk drive is disclosed. One embodiment provides a load/unload ramp body having at least one load/unload ramp associated therewith, the at least one... |
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US20080259499 |
HEAD WITH A TRANSDUCER OVERCOAT HAVING A TRAILING AIR FLOW DAM THAT IS SHALLOWLY RECESSED FROM AN AIR BEARING SURFACE
A head includes a transducer and a slider having an air bearing surface (ABS) and a trailing face. The slider has an overcoat layer that includes the trailing face and that overcoats the... |
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US20100309586 |
SLIDER AIR BEARING FOR DISK DRIVES
A slider designed to reduce fly height sigma in a plurality of fly media is provided. The slider includes an air bearing surface, a front shallow step pad and a rear shallow step pad that are at a... |
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US20080239574 |
SYSTEM AND APPARATUS FOR PROVIDING STREAMLINED CONTOUR AND REDUCED AXIAL FLOW AT THE ACTUATOR ATTACHMENT INTERFACE BETWEEN A FLEXIBLE CABLE AND FLEXURE
An airflow diverter is used to overcome the adverse effect of flow-induced vibration of a disk drive pivot actuator. The diverter may be formed as a separate component or as an integral portion of... |
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US20080304181 |
METHOD AND APPARATUS FOR PROVIDING AN AIR BEARING WITH HIGHER FLYING HEIGHT FOR LOWER ROTATING SPEED DRIVES
A method and apparatus for improving flying height stability at lower speeds is achieved by an ABS with a channel and pocket. The channel and pocket are configured to achieve a desired flying... |
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US20140376131 |
Data Writer with Tapered Side Shield Sidewalls
A data writer may be generally configured at least with a write pole that has a pole sidewall and a continuous first taper angle connecting leading and trailing edges. The write pole can be... |
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US20120120527 |
Asperity and Head-Media Contact Detection Using Multi-Stage Temperature Coefficient of Resistance Sensor
A multi-stage sensor is situated on the head transducer and configured to interact with a magnetic recording medium. A first sensor stage of the multi-stage sensor has a temperature coefficient of... |
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US20150036244 |
SYSTEM AND METHOD OF FORMING SPACER STRUCTURES USING ULTRA NARROW MAGNETIC HEAD FABRICATION
A magnetic head, according to one embodiment, includes a sensor structure extending from an air bearing surface end thereof in a stripe height direction, the sensor structure having sidewalls on... |
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US20080273271 |
Reducing the height of a defect associated with an air bearing surface
A method for reducing the height of a defect associated with an air bearing surface of a hard disk drive slider is disclosed. The technology initially ion mills for a first period of time at a... |
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US20150029615 |
Magnetic Write Head Having A Recessed High Moment Portion Of The Wrap-Around Shield
Approaches to improving hard disk drive far track interference problems include utilizing a wrap-around shield having recessed high magnetic moment layer(s). Embodiments include tapering the... |
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US20140168819 |
HARD DISK HAVING A SQUEEZE AIR BEARING FOR ROTATING A DISK
Approaches to use of a squeeze air bearing for supporting and/or rotating the disks in a hard-disk drive. The squeeze bearing, whose effect is based on relative normal motion between two surfaces,... |
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US20140233134 |
Two Dimensional Magnetic Sensor Immune to Skew Angle Misalignment
Apparatus for two dimensional data reading. In accordance with some embodiments, a magnetic read element has a plurality of read sensors positioned symmetrically about a pivot point with at least... |