Matches 1 - 47 out of 47


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US20130003226 PMR Writer Device with Multi-Level Tapered Write Pole  
A perpendicular magnetic recording (PMR) head is fabricated with a multi-level tapered write pole. The write pole comprises a main pole with a tapered tip on a leading edge or a trailing edge, on...
US20140146419 MAGNETIC ELEMENT WITH CROSSED ANISOTROPIES  
A magnetic element may be configured with at least a magnetic stack having first and second magnetically free layers that each has a predetermined stripe height from an air bearing surface (ABS)....
US20120154954 PERPENDICULAR MAGNETIC WRITE HEAD HAVING A LAMINATED TRAILING RETURN POLE  
A perpendicular magnetic write head having a laminated trailing return pole structure that reduces magnetic eddy currents in the return pole for improved write head efficiency. The trailing...
US20070177300 Transducer including an element of a transducer and a sidewall in an electrically conductive magnetic layer  
A transducer includes a first layer that is selectively deposited in a contact region to form a core, and selectively deposited in a transducer region to form a first element of the transducer....
US20120008236 PMR with improved writability and process controllability by double layer patterning  
Improved writability and a sharper neck transition are achieved in a PMR writer with a yoke that has essentially vertical sidewalls and a write pole that has sidewalls with a beveled angle. An...
US20090207525 Perpendicular write head with tapered main pole  
Prior art designs of single pole writers have been limited by premature saturation at the tip. This limits the head field that can be achieved without simultaneously widening the write profile....
US20120057257 Perpendicular magnetic recoding head with a laminated pole  
A laminated write pole layer for a PMR write head is disclosed in which a plurality of “n” magnetic layers and “n−1” non-magnetic spacers are formed in an alternating fashion on a substrate. The...
US20150213814 PARTIAL MAIN POLE LAMINATION FOR POLE ERASURE IMPROVEMENT  
The embodiments of the present invention relate to a magnetic write head and a method for forming the magnetic write head. The magnetic write head includes a partially laminated main pole that has...
US20070183092 Magnetic head having notched first magnetic pole  
A multi-step process for notching the P1 pole of the write head element of a magnetic head. In a first step following the fabrication of the P2 pole tip, a layer of protective material is...
US20110273800 Perpendicular magnetic recording write head with milling defined track width  
A main pole layer having at least a leading taper and trimmed pole tip portion is described. The leading taper increases head field up to ≧15000 Oe even for narrow track widths approaching 50 nm....
US20140133048 HIGH SPIN-TORQUE EFFICIENCY SPIN-TORQUE OSCILLATOR (STO) WITH DUAL SPIN POLARIZATION LAYER  
In one embodiment, a MAMR head includes a main magnetic pole, a STO positioned near the main magnetic pole, the STO including a first perpendicular magnetic layer positioned above the main...
US20130308228 READ SENSOR HAVING A STRUCTURE FOR REDUCING MAGNETIC COUPLING BETWEEN A MAGNETIC BIAS LAYER AND AN UPPER MAGNETIC SHIELD  
A magnetic sensor having reduced read gap thickness, reduced signal noise and improved signal to noise ratio. The sensor includes a sensor stack and hard bias structures formed at either side of...
US20140168823 MAGNETIC WRITE HEAD HAVING A RESIDUAL SHIELD SEED LAYER FOR REDUCING OVERWRITING  
A magnetic write head having a write pole and a trailing, wrap-around magnetic shield formed over the write pole and separated from the write pole by a non-magnetic trailing gap layer and...
US20100157475 STEPPED MAIN POLE FOR PERPENDICULAR WRITE HEADS IN HARD DISK DRIVES AND METHOD OF MAKING SAME  
A stepped main pole for a perpendicular write head and methods of making the stepped main pole. The stepped main pole has a main pole tip and a base portion. The main pole tip has a surface that...
US20120250187 WRITE HEAD WITH MODIFIED SIDE SHIELDS  
A write head, the write head having an air bearing surface, the write head including a magnetic write pole, wherein at the air bearing surface, the write pole has a trailing surface, a leading...
US20130010387 POLE FOR MAGNETIC RECORDING  
A method for forming a magnetic write pole with a trapezoidal cross-section is described. The method consists of first forming a magnetic seedlayer on a base followed by depositing a removable...
US20140168822 MAGNETIC SENSOR WITH EXTENDED PINNED LAYER AND PARTIAL WRAP AROUND SHIELD  
A magnetic read head that has improved pinned layer stability while also maintaining excellent free layer stability. The free layer has sides that define a trackwidth of the sensor and a back edge...
US20090168242 METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE POLE HAVING A LARGE BEVEL ANGLE  
A method for manufacturing a magnetic write head for perpendicular magnetic recording, the write head having a write pole with an increased bevel (taper) angle. The write pole is constructed by...
US20120140361 MAGNETIC HEAD, HEAD ASSEMBLY, AND MAGNETIC RECORDING/REPRODUCING APPARATUS TO REDUCE RISK OF WIDE AREA TRACK ERASE  
A magnetic head includes a main magnetic pole layer and a yoke layer. The main magnetic pole layer generates a magnetic flux of a recording magnetic field and includes a magnetic pole front part...
US20140177092 MAMR HEAD ADAPTED FOR HIGH SPEED SWITCHING  
A microwave-assisted magnetic recording (MAMR) head according to one embodiment includes a main magnetic pole adapted to generate a writing magnetic field when current is applied to a write coil;...
US20140002926 MAGNETIC HEAD POLE INCLUDING LAMINATED STRUCTURE HAVING MAGNETIC AND NONMAGNETIC LAYERS  
According to one embodiment, a magnetic head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a return pole opposed to the main pole...
US20070195455 PERPENDICULAR MAGNETIC RECORDING HEAD CAPABLE OF SUPPRESSING PROBLEM SUCH AS ERASURE OF MAGNETIC DATA  
A perpendicular magnetic recording head is provided. The perpendicular magnetic recording head includes a main magnetic pole layer overlapped with a sub-yoke layer. The sub-yoke layer having a...
US20060238918 Method of manufacturing a magnetic head and a magnetic head  
A main magnetic pole of a recording head is formed in an inverted trapezoidal shape by ion milling but, the long milling time poses a problem of variations in the inverted trapezoidal shape and...
US20090009907 Laminated film for head applications  
A laminated main pole layer is disclosed in which a non-AFC scheme is used to break the magnetic coupling between adjacent high moment layers and reduce remanence in a hard axis direction while...
US20120262820 MAGNETIC HEAD, HEAD GIMBAL ASSEMBLY WITH THE SAME, AND DISK DRIVE  
According to one embodiment, a magnetic head includes a main pole configured to apply a recording magnetic field to a recording layer of a recording medium, a return pole opposed to the main pole...
US20130148242 MAGNETIC RECORDING HEAD AND DISK DRIVE WITH THE SAME  
According to one embodiment, a magnetic recording head includes a spin-torque oscillator between a main pole and a trailing shield. An oscillation layer of the spin-torque oscillator is formed by...
US20130044394 DEVICES AND METHODS USING RECESSED ELECTRON SPIN ANALYZERS  
In certain embodiments, a magnetic had includes a top shield and a bottom shield positioned at an air bearing surface. A polarizer and a nonmagnetic layer are positioned between the top and bottom...
US20050117250 Magnetic recording head, head suspension assembly, magnetic recording apparatus, composite head, and magnetic recording and reproducing apparatus  
A magnetic recording head which records information on a recording medium by a vertical magnetic recording method, the magnetic recording head comprises a magnetic pole piece which generates a...
US20120147502 MAGNETIC RECORDING HEAD, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC DISK UNIT  
Minute elements are formed while a photo deviation is suppressed between a spin torque oscillator and a main pole and damage is prevented on the ends of the spin torque oscillator in...
US20060132970 Magnetic recording/reproducing device, magnetic recording medium, and magnetic head  
A perpendicular magnetic recording/reproducing device that can suppress broadening of recording magnetic fields and that is capable of effective application of magnetic field to a recording target...
US20130314820 MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING/ REPRODUCTION APPARATUS  
According to one embodiment, a magnetic recording head includes a main magnetic pole, an auxiliary magnetic pole, and a spin torque oscillator formed between them. The spin torque oscillator...
US20130286507 THIN-FILM MAGNETIC HEAD AND METHOD OF MAKING WHERE THE HEAD INCLUDES AN ANTIREFLECTION FILM COVERING A LEADING SHIELD  
A thin-film magnetic head has a high write performance because its shape is smooth without roughness. The thin-film magnetic head includes a slider substrate, a write element and an antireflection...
US20060215318 Magnetic recording head and method of manufacturing the same  
A magnetic recording head and a method of manufacturing the same are provided. The magnetic recording head has a stacked structure including a main pole and a return pole. The stacked structure...
US20120154952 MAGNETIC RECORDER  
A magnetic recorder includes: a magnetic recording medium; a reproducing head; a magnetic recording head including: a main magnetic pole; a first magnetic layer containing a TM alloy; a second...
US20090213496 Perpendicular magnetic recording head and method for manufacturing the same  
Embodiments of the present invention provide a perpendicular magnetic recording head including a coil having small resistance. According to one embodiment, a nonmagnetic insulating layer formed on...
US20070139819 PERPENDICULAR MAGNETIC RECORDING HEAD DEVICE CAPABLE OF INCREASING MAGNETIC FIELD GRADIENT TO EXHIBIT EXCELLENT RECORDING PERFORMANCE WHILE MAINTAINING MAGNETIC FIELD INTENSITY  
There is provided a perpendicular magnetic recording head device which can increase magnetic field gradient to exhibit excellent recording performance while maintaining magnetic field intensity...
US20110134570 THIN FILM MAGNETIC HEAD HAVING HEATING ELEMENT  
A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating...
US20100157477 THIN-FILM MAGNETIC-RECORDING HEAD INCLUDING BUILT-IN ACOUSTIC-EMISSION SENSOR  
A thin-film magnetic-recording head. The thin-film magnetic-recording head includes a read/write element portion, at least one built-in thin-film acoustic-emission sensor, and a heater. The...
US20100157476 PERPENDICULAR MAGNETIC RECORDING HEAD  
A perpendicular magnetic recording head according to one embodiment includes a main pole; first magnetic films arranged on both sides of the main pole in a track width direction via nonmagnetic...
US20070217067 Perpendicular Magnetic Recording Medium Using Soft Magnetic Layer Which Suppresses Noise Generation, And Perpendicular Magnetic Recording Apparatus Therewith  
The magnetic recording medium of the present invention has a substrate, a perpendicular magnetic recording layer, and a soft magnetic layer formed therebetween, having a thickness of less than 100...
US20060221499 Thin film magnetic head and magnetic recording apparatus  
The present invention provides a thin film magnetic head realizing the gradient and the strength of a perpendicular magnetic field increased as much as possible. A main magnetic pole layer is made...
US20160180868 STORAGE DEVICE HEAD USING HIGH MAGNETIC MOMENT MATERIAL  
A write pole structure includes a write pole and a trailing shield wherein the write pole includes a high magnetic moment (HMM) material layer on a surface of the write pole facing the trailing...
US20150380017 PARTIAL MAIN POLE LAMINATION FOR POLE ERASURE IMPROVEMENT  
The embodiments of the present invention relate to a magnetic write head and a method for forming the magnetic write head. The magnetic write head includes a partially laminated main pole that has...
US20140160596 DATA STORAGE DEVICE WITH VARIABLE ANISOTROPY SIDE SHIELD  
Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield...
US20140146418 SIDE SHIELD BIASING LAYER SEPARATED FROM AN AIR BEARING SURFACE  
Various embodiments may configure a data storage device with at least a magnetic element having a magnetic stack that is configured with an air bearing surface (ABS) and is separated from a side...
US20120176702 RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING APPARATUS  
A recording head including a first electrode, a first magnetic layer, a second magnetic layer, a first intermediate layer, a third magnetic layer, a second electrode, and a magnetic pole.
US20120113542 OSCILLATOR IN WHICH POLARITY IS CHANGED AT HIGH SPEED, MAGNETIC HEAD FOR MAMR AND FAST DATA TRANSFER RATE HDD  
The present invention provides a magnetic recording head and a magnetic recording device that realize information transfer speed exceeding 1 Gbit/s in microwave assisted magnetic recording applied...

Matches 1 - 47 out of 47