197761 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Structure or manufacture of heads, e.g. inductive using thin films; Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles by using special coil configurations or conductors
Sub-classes:Data storage device having dual actuators and method for data egress throttling during emergency power off retract (EPOR)
#2Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses
#3Magnetic recording head and magnetic recording and reproducing device comprising the same
#4Magnetic recording head and magnetic recording and reproducing device comprising the same
#5Dual perpendicular magnetic recording (PMR) writer base structures and mirror imaged asymmetrical magnetic core shapes for reduced writer-writer spacing (WWS)
#6Write coil cooling arrangement at air bearing surface
#7Magnetic head and disk device having gap layers with different magnetic relative permeabilities
#8Magnetic head with spin torque oscillator connection configuration
#9Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turn
#10Write coil cooling arrangement at air bearing surface
#11Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turn
#12Resist Reactive Ion Etch (RIE) Process for Plating
#13Method of manufacturing a thin-film magnetic head including a coil and a magnetic path forming section
#14Unbalanced data writer coil
#15Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method
#16Magnetic head including a first and second insulating film between a coil element and a write shield
#17Recording head with dual coil/dual shield arrangement and high frequency oscillator
#18Magnetic write head having a stacked coil architecture for high data rate performance
#19Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method
#20Magnetic head for perpendicular recording having a plurality of magnetic path portions
#21Independently driven write coils
#22Write pole design
#23WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING PERFORMANCE
#24Magnetic head for perpendicular magnetic recording having a return path section
#25Write head including yoke and windings
#26Magnetic head for perpendicular magnetic recording having a main pole and a shield
#27Method of manufacturing magnetic head for perpendicular magnetic recording having a return path section
#28Recording head coil structure
#29DEVICES INCLUDING SHAPED WRITE COILS
#30Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive
#31Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching
#32THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF
#33Magnetic head for perpendicular magnetic recording having a main pole, a shield and a coil core part setback away from the medium facing surface a specified distance
#34Recording head with dual coil/dual shield arrangement and high frequency oscillator
#35Tandem magnetic writer with independently addressable coils
#36Magnetic head for perpendicular magnetic recording having a main pole and a shield and specifically structured and located coil elements and magnetic coupling layers
#37Radiator-cooled nanowire-based write assist
#38Magnetic head for perpendicular magnetic recording having a pole layer including a plurality of stacked magnetic films
#39Method of manufacturing a magnetic head for perpendicular magnetic recording
#40MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN POLE AND A SHIELD
#41Recording head and disk drive with the same
#42Apparatus for increasing data rates in a magnetic head
#43Thin-film magnetic head having coil of varying thinknesses in spaces adjacent the main magnetic pole
#44Magnetically damped return pole in a magnetic head
#45Write head having a device for reducing the effects of stray flux
#46Magnetic head and disk drive with same
#47Signaling method and apparatus for write assist of high coercivity media using integrated half coil
#48Magnetic write device with a cladded write assist element
#49Damascene coil processes and structures
#50Perpendicular magnetic recording system with auxiliary coil and circuitry for fast switching of write pole magnetization
#51Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetization
#52Magnetic head and information storage device
#53Perpendicular magnetic recording system with magnetic precession for fast switching of perpendicular write pole magnetization
#54Magnetic head, head assembly and magnetic recording/reproducing apparatus and method for manufacturing magnetic head
#55Process of manufacturing low resistance damascene coils
#56Structure formation using metal deposited on a RIE-able seedlayer
#57MAGNETIC DISK DRIVE
#58Write head with different upper and lower yoke lengths and methods for making the same
#59Magnetic disk drive
#60Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method
#61MAGNETIC HEAD AND INFORMATION STORAGE APPARATUS
#62Thin-film magnetic head having remnant coating and remnant insulating film, head gimbal assembly and hard disk drive
#63Method for producing tight pitched coil with reduced processing steps
#64Write head with integrated coil and shield structure
#65Tandem magnetic writer with independently addressable coils
#66Recording head for reducing side track erasure
#67Thin film magnetic head
#68Perpendicular magnetic recording head and method for manufacturing the same
#69MAGNETIC RECORDING DEVICE
#70Method of manufacturing a magnetic head for perpendicular magnetic recording
#71Magnetic write head having helical coil with a fin structure for reduced heat induced protrusion
#72Magnetic head for perpendicular magnetic recording having a shield that includes a part recessed from medium facing surface
#73Perpendicular magnetic recording head and method of manufacturing the same
#74Magnetic recording head comprising conical main pole tip and method of manufacturing the same
#75Method of manufacturing a magnetic write head for perpendicular magnetic recording
#76INTERLEAVED HELICAL COILS ON PERPENDICULAR HEADS
#77Magnetic head for perpendicular magnetic recording with coil wound around pole layer
#78Magnetic write device including an encapsulated wire for assisted writing
#79Perpendicular magnetic recording head and method for manufacturing the same
#80Wire-assisted magnetic write device with a gapped trailing shield
#81Wire-assisted magnetic write device with phase shifted current
#82Perpendicular magnetic recording head having coil portions above a main pole and provided with different cross-sectional shapes and method of manufacturing the same
#83Magnetic write device with a cladded write assist element
#84Wire-assisted magnetic write device with low power consumption
#85Perpendicular magnetic recording head
#86Perpendicular magnetic recording head
#87Perpendicular magnetic recording write head with coplanar main pole and return poles and magnetic recording system
#88Magnetic write transducer
#89Method for forming interleaved coils with damascene plating
#90Magnetic write head with helical coil structure using multiple materials
#91Perpendicular magnetic recording head having a coil enclosing a sub-yoke
#92Magnetic head
#93Thin-film magnetic head
#94Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method
#95Formation of low resistance damascene coils
#96Magnetic write head employing multiple magnetomotive force (MMF) sources
#97Multi-channel head
#98Magnetic head for perpendicular magnetic recording and method of manufacturing same
#99Thin-film magnetic head with coil-insulating layer that thermal expansion coefficient and young'S modulus are specified
#100Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip
#101Perpendicular magnetic write head with shunt structure to prevent read sensor interference
#102Read and write heads with at least a portion of the coil positioned about the write pole opposite the read transducer to reduce adjacent track erasure
#103Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head with at least one shield layer having a substantially arched portion
#104Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head having a magnetic shield layer with a thick edge portion
#105Method of manufacturing a thin-film magnetic head
#106Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surface
#107Magnetic head having reduced induction coil electrical resistance and method for the fabrication thereof
#108Interlayer insulating layer and method of manufacturing the same
#109Magnetic head for perpendicular magnetic recording
#110Magnetic head and method of producing the same
#111Magnetic head apparatus and magnetic recording and reproducing apparatus
#112Thin-film magnetic head with a spiral recording coil having a first part with a denser pitch closer to the medium facing surface than a second coil part and all set between a pair of magnetic layers
#113Perpendicular magnetic recording head and method of manufacturing the same
#114Thin film magnetic head including helical coil
#115Magnetic head structure with enlarged insulating layer
#116Perpendicular magnetic head with side shield depth less than write gap film
#117Magnetic head structure with enlarged insulating layer
#118Thin film magnetic head with a metal lamination part having concave connection surface
#119Method for manufacturing a magnetic head
#120Method of manufacturing a thin-film magnetic head
#121Magnetic head having toroidal coil layer and manufacturing method thereof
#122Recording head for reducing side track erasure
#123Method of manufacturing magnetic head for perpendicular magnetic recording
#124Magnetic head structure with insulating layer configured to reduce thermal deformation of floating surface towards disk
#125Magnetic head coil system and damascene/reactive ion etching method for manufacturing the same
#126High data rate writer with low resistance coil and short yoke
#127Magnetic head
#128Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer
#129Magnetic head with a main pole including first and second layers and manufacturing method for the same
#130Magnetic core and coil design for double perpendicular magnetic recording (PMR) writers
#131Selective data writer coil
#132Selective data writer coil
#133Magnetic head for perpendicular magnetic recording including a coil having an inclined surface
#134Changing write coil current in response to reader instability
#135Magnetic writer coil incorporating integral cooling fins
#136Short yoke length writer having assist coils
#137Real time writer shields magnetization optimization for FTI improvement