Matches 1 - 50 out of 280 1 2 3 4 5 6 >


Match Document Document Title
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...
US20140334040 MAGNETIC SHIELD BASE LAMINATION  
A magnetic element may generally be configured as a read head with at least a magnetic stack that contacts at least one magnetic shield. The magnetic shield can be positioned on top of a base...
US20110116195 MAGNETIC WRITE HEAD DESIGN USING PERMANENT MAGNETS AND EXCHANGE SPRING MECHANISM  
A magnetic recording head includes a write pole and a first permanent magnet. The write pole has a write pole tip, a leading edge, a trailing edge, a first side and a second side. The first...
US20090166184 Perpendicular magnetic medium with shields between tracks  
A track shield structure is disclosed that enables higher track density to be achieved in a patterned track medium without increasing adjacent track erasure and side reading. This is accomplished...
US20090002896 Magnetic writer for patterned media with increased write field  
A magnetic writer writes to a magnetic medium including a plurality of tracks that each includes a plurality of isolated magnetic elements for storage of information. The magnetic writer includes...
US20120050921 DAMPED MAGNETIC HEAD  
A magnetic head comprises a main pole, a return pole and a magnetic damper. The main pole is configured to emit flux and the return pole is configured to return the flux to the main pole. The...
US20080273277 Composite shield structure of PMR writer for high track density  
Improved writability and a substantial reduction in adjacent track erasure are achieved by incorporating a composite shield structure in a PMR writer. There is a trailing shield formed a certain...
US20080273276 Optimized write pole flare angle for side shield or semi side shield PMR writer application  
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...
US20120281320 Magnetoresistive Shield with Stabilizing feature  
A magnetoresistive (MR) reader is adjacent to at least one shield that extends from an air bearing surface (ABS) a first distance. The shield has a stabilizing feature that is contactingly...
US20090251828 Vertically stacked DFH heater design for protrusion shape control  
A vertically stacked DFH design in a read/write head is disclosed that allows independent control of write gap protrusion and read gap protrusion. A first heater is formed in an insulation layer...
US20100321835 SELF-ALIGNED, TRAILING EDGE PARTIAL SIDE SHIELD AND METHOD OF MAKING  
A magnetic writer includes a write pole, a first partial shield and a second partial shield. The write pole has a leading edge, a trailing edge, a first side and a second side. The first partial...
US20100046120 WRITE HEAD WITH INTEGRATED COIL AND SHIELD STRUCTURE  
Disk drive systems and associated methods of fabrication are disclosed for a write head having an integrated coil and shield structure. The write head includes a write pole having a pole tip...
US20110267720 READER SHIELD WITH TILTED MAGNETIZATION  
An apparatus that includes a first read shield and a second read shield and a reader stack between the first and second read shields. The first and second read shields each include a tilted...
US20100027167 CURRENT PERPENDICULAR TO PLANE MAGNETORESISTANCE READ HEAD DESIGN USING A CURRENT CONFINEMENT STRUCTURE PROXIMAL TO AN AIR BEARING SURFACE  
A current to perpendicular to plane (CPP) magnetoresistance (MR) read head using current confinement proximal to an air bearing surface (ABS) is disclosed. A CPP MR read head includes a first...
US20090284874 SELF-ALIGNED PERPENDICULAR WRITER POLE AND FRONT SHIELD  
A write pole structure includes a write pole having a tip region. A shield structure is spaced from the write pole by a gap at the tip region. The shield structure includes a front shield and a...
US20150243305 READER WITH DECOUPLED MAGNETIC SEED LAYER  
An apparatus comprising a base shield, a sensor stack, and a base seed layer separating the base shield from the sensor stack. The base seed layer has a base coupled seed section that is coupled...
US20080007875 Read head for magnetic storage system  
A read head for a rotating magnetic storage system including concentric tracks is disclosed. The read head comprises a magnetoresistive (MR) sensor that reads information from a read track of the...
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...
US20140334042 READER WITH DECOUPLED MAGNETIC SEED LAYER  
An apparatus comprising a base shield and a sensor stack, wherein the base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled form the base...
US20140254047 READER WITH DECOUPLED MAGNETIC SEED LAYER  
An apparatus comprising a base shield and a sensor stack, wherein the base shield is separated from the sensor stack via a first soft magnetic layer that is magnetically decoupled form the base...
US20140104729 Shield Stabilization Configuration with Applied Bias  
An apparatus includes a sensor stack, first and second shields positioned on opposite sides of the sensor stack, and a first shield stabilization structure adjacent to the first shield and...
US20090296284 MAGNETORESISTIVE SENSOR DESIGN FOR SIGNAL NOISE PICKUP REDUCTION FOR USE WITH DEEP GAP ELECTROSTATIC DISCHARGE SHUNT  
A magnetic head having an electrostatic shunt structure for preventing damage to the magnetic head during manufacture. A portion of the shunt structure is removed during manufacture, however...
US20110007428 WRITE POLE WITH A SYNTHESIZED LOW MAGNETIZATION SHIELD  
A magnetic writer comprises a surface, a write pole, a trailing shield and a gap. The write pole has a write pole tip proximate the surface. The trailing shield is proximate the surface and space...
US20090168257 INDEPENDENT SIDE SHIELD AND TOP SHIELD THROAT HEIGHT CONTROL FOR HIGH LINEAR DENSITY WRAP AROUND SHIELD WRITE HEAD  
A magnetic write head for perpendicular magnetic recording. The magnetic write head includes a write pole having a pole tip region and a flared region. The write pole also has a trailing,...
US20090257153 Binary output reader structure (BORS) with high utilization rate  
We disclose a magnetic read head, and method for making it, that operates in a binary rather than an analog mode. This greatly boosts signal amplitude for high area density recording as device...
US20150002964 READER STRUCTURE  
An apparatus disclosed herein includes a sensor stack including a first layer and a barrier layer, wherein the barrier layer is in contact with a bottom shield.
US20120281319 Magnetoresistive Shield  
A magnetic shield that is capable of enhancing magnetic reading. In accordance with various embodiments, a magnetic element has a magnetically responsive stack shielded from magnetic flux and...
US20110058283 Perpendicular recording device having reduced sensitivity to external fields  
In a read-write head, the shields can serve as magnetic flux conductors for external fields, so that they direct a certain amount of flux into the recording medium. This problem has been overcome...
US20090310262 Composite writer shield for improving writer performance  
A PMR writer in a read/write head is disclosed wherein an upper shield covering the coil layer is comprised of a magnetic layer optimized for magnetic performance and a second layer used for...
US20080316652 SIMULTANEOUS POLE-TIP AND SIDE SHIELD FABRICATION AND INTEGRATED ELG  
A method for manufacturing a write pole for perpendicular magnetic recording for accurately defining a side shield throat height and write pole flare point. The method includes the formation of a...
US20080165452 Virtual front shield writer  
A magnetic writer includes a first write element and a second write element. The first write element produces a first field when a first current is passed through a first coil. The second write...
US20090091862 Method to make PMR head with integrated side shield (ISS)  
A PMR head comprises a substrate, a magnetic pole formed over the substrate, the pole having a pole tip having a cross-sectional tapered shape wherein the pole tip is surrounded by a write gap...
US20090268350 PERPENDICULAR WRITE HEAD HAVING A TRAILING SHIELD WITH A SHORT GAP, SHORT THROAT AND HIGH APEX ANGLE FOR IMPROVED LINEAR DENSITY RECORDING  
A magnetic write head having a trailing shield configured to optimize both write field strength and field gradient. The write head includes a write pole, a trailing gap layer formed over the...
US20120127616 TMR READER WITHOUT DLC CAPPING STRUCTURE  
Embodiments herein generally relate to TMR readers and methods for their manufacture. The embodiments discussed herein disclose TMR readers that utilize a structure that avoids use of the DLC...
US20090174968 MAGNETIC SENSING DEVICE WITH REDUCED SHIELD-TO-SHIELD SPACING  
A magnetic sensor assembly includes first and second shields each comprised of a magnetic material. The first and second shields define a physical shield-to-shield spacing. A sensor stack is...
US20110007427 MAGNETORESISTIVE SENSOR WITH SYNTHETIC ANTIFERROMAGNETIC CAP OR SEED LAYERS  
A magnetic sensor assembly including first and second shields, and a sensor stack between the first and second shields. The sensor stack includes a seed layer adjacent the first shield, a cap...
US20090323229 Modified shield shape for perpendicular recording head to reduce sensitivity to external fields  
In a read-write head, the shields can serve as magnetic flux conductors for external fields, so that they direct a certain amount of flux into the recording medium. This problem has been overcome...
US20060209469 Magnetoresistance effect reproduction head  
A magnetoresistance effect reproduction head includes a shield part composed of a lower shield and an upper shield and prevents fluctuations in head output caused by the magnetic domain structure...
US20140177093 MAGNETIC HEAD HAVING A SOFT MAGNETIC LAYER FORMED BEHIND A TUNNELING MAGNETORESISTANCE (TMR) SENSOR IN AN ELEMENT HEIGHT DIRECTION  
A magnetic head according to one embodiment includes a read sensor adapted for sensing an external magnetic field; an upper magnetic shield positioned above the read sensor along an air bearing...
US20090151151 FABRICATING MAGNETIC READ HEADS WITH A REDUCED SCRATCH EXPOSURE REGION  
Methods of fabricating magnetic read heads are provided which reduce the width of the scratch exposure region of a read head. During normal fabrication processes, a read head is formed with a...
US20150062752 MAGNETIC SENSOR WITH RECESSED AFM SHAPE ENHANCED PINNING AND SOFT MAGNETIC BIAS  
A magnetic read sensor having an antiferromagnetic located embedded within a magnetic shield of the sensor so that the antiferromagnetic layer can pin the magnetization of the pinned layer without...
US20090059439 MULTICHANNEL THIN-FILM MAGNETIC HEAD WITH DUMMY SHIELDS  
Provided is a multichannel thin-film magnetic head having a plurality of read head elements neighboring with each other, each of which includes shield layers having a desired stable...
US20150092303 GRADED SIDE SHIELD GAP READER  
Embodiments of the present invention generally include magnetoresistive heads, such as read heads, having a sensor structure and side shields disposed adjacent to the sensor structure. The...
US20090213502 MAGNETO-RESISTANCE EFFECT ELEMENT HAVING STACK WITH DUAL FREE LAYER AND A PLURALITY OF BIAS MAGNETIC LAYERS  
A magneto-resistance effect element comprises: a magneto-resistance effect stack including an upper magnetic layer and a lower magnetic layer whose magnetization directions change in accordance...
US20150116870 SPIN TRANSPORT SENSOR  
The implementations disclosed herein provide for a spin transport sensor including a synthetic antiferromagnet (SAF) adjacent a shield element. The SAF extends to an air-bearing surface (ABS) and...
US20150116869 ASYMMETRIC SENSITIVITY READER  
Embodiments described herein generally relate to a magnetic read head wherein read sensitivity distribution is made asymmetric in the off-track direction. The method of making the magnetic head is...
US20120063034 CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENSOR WITH IMPROVED INSULATING STRUCTURE  
A current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor, like a CPP MR disk drive read head, has an improved insulating structure surrounding the stack of layers making up the...
US20120287534 Reader sensor, magnetic head, head gimbal assembly and disk drive unit with the same  
A reader sensor comprises a first shielding layer, a second shielding layer, a read element formed therebetween, and a pair of permanent magnet layer respectively placed on two sides of the read...
US20130163124 MAGNETIC READ SENSOR HAVING FLAT SHIELD PROFILE  
A magnetic read sensor having a flat shield for improved gap thickness definition and control. The magnetic read head includes a sensor stack and hard bias layer formed at either side of the...
US20080232000 MAGNETIC WRITE HEAD WITH UPPER RETURN POLE OPTIMIZATION FOR REDUCED TRAILING SHIELD PROTRUSION  
A magnetic write head for perpendicular magnetic recording that is resistant to write pole and trailing shield protrusion. The write pole includes a magnetic return pole that is magnetically...

Matches 1 - 50 out of 280 1 2 3 4 5 6 >