197738 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Structure or manufacture of heads, e.g. inductive; Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features Gap features
Sub-classes:Spin-Orbit Torque Assisted Magnetic Write Head Structure For Perpendicular Magnetic Recording
#2Optimizing A Current Distribution In Write Heads For Efficient Energy-Assisted Magnetic Recording
#3Perpendicular Magnetic Recording Writer with Tunable Two Bias Branches
#4Magnetic Recording Head With Assisting Electric Current In Trailing Shield
#5Perpendicular Magnetic Recording Writer With Tunable Pole Side Bridge Design
#6Spin-Orbit Torque Assisted Magnetic Write Head Structure For Perpendicular Magnetic Recording
#7Writer With Patterned Hot Seed Layer
#8Optimizing A Current Distribution In Write Heads For Efficient Energy-Assisted Magnetic Recording
#9Magnetic disk device with recording current arrangement
#10Perpendicular Magnetic Recording Writer with Tunable Two Bias Branches
#11Perpendicular Magnetic Recording Writer With Tunable Pole Side Bridge Design
#12Magnetic recording head with assisting electric current in trailing shield
#13Perpendicular magnetic recording writer with tunable pole side bridge design
#14Magnetic write transducer with variable write gap length
#15Magnetic disk device with magnetic disk overwrite characteristics arrangement
#16Magnetic head and magnetic recording/reproducing device
#17Magnetic recording head having a magnetic pole and a write shield
#18Tape head design having an antiferromagnetic coupling (AFC) null shield for same gap verify
#19Tape head design having same gap verify capabilities
#20Tape head design having a null shield for same gap verify
#21Areal density capability improvement with a main pole skin
#22Magnetic recording head having same-gap read-after-write
#23Writer with laterally graded spin layer MsT
#24Writer with adaptive side gap
#25Magnetic recording device and magnetic recording method utilizing assisted magnetic recording
#26Magnetic recording device including a magnetic head including a stacked body between magnetic poles
#27Magnetic recording devices having negative polarization layer to enhance spin-transfer torque
#28Energy assisted magnetic recording head having improved areal density capability
#29Writer with laterally graded spin layer MsT
#30Magnetic recording devices having negative polarization layer to enhance spin-transfer torque
#31Dual writer for advanced magnetic recording
#32Split band multichannel magnetic recording head having scaled reader widths
#33Magnetic disk device with magnetic head size arrangement
#34Areal density capability improvement with a main pole skin
#35Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write head
#36Servo signal verifying device for magnetic recording tape, servo writer, method of producing magnetic recording tape, and servo signal reading head
#37Dual writer for advanced magnetic recording
#38Writer with narrower high moment trailing shield
#39Magnetic write head with write-field enhancement structure including a magnetic notch
#40Spin torque layer in side gap for improved field and cross track field gradient
#41Magnetic recording write head with selected write gap current direction for minimization of cross-track interference
#42Areal density capability improvement with a main pole skin
#43Permanent magnet assisted magnetic recording
#44Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field
#45Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device
#46Spin transfer torque device with oxide layer beneath the seed layer
#47Current-assisted magnetic recording write head with improved write gap structure
#48Plating based pre-defined side shield and application in magnetic head
#49Areal density capability improvement with a main pole skin
#50Magnetic recording write head with spin-torque oscillator (STO) and extended seed layer
#51Magnetic recording write head with selected write gap current direction for minimization of cross-track interference
#52Spin transfer torque (STT) device with multilayer seed layers for magnetic recording and memory
#53MAMR writer with low resistance MAMR stack
#54Microwave-assisted magnetic recording (MAMR) write head with compensation for DC shunting field
#55Spin torque layer in side gap for improved field and cross track field gradient
#56Apparatus having an array of write transducers having a low friction interface
#57Write transducers having high moment layer
#58Write transducers having high moment layer
#59Segmented magnetic recording write head for writing timing-based servo patterns
#60Magnetic head having a stacked body provided between a magnetic pole and a first shield and a magnetic recording and reproducing device incorporating the magnetic head
#61Filled-gap magnetic recording head and method of making
#62Beaked write transducer
#63Tape apparatus having an array of write transducers each having at least three layers of coils
#64Magnetic head having arrays of tunnel valve read transducers with designated minimum hard bias magnet thickness to free layer thickness ratios
#65Magnetic recording apparatus having magnetic flux control part and magnetic recording head having magnetic flux control part
#66MAGNETIC WRITER HAVING CONVEX TRAILING SURFACE POLE AND CONFORMAL WRITE GAP
#67Write transducers having high moment layer
#68Magnetic head having arrays of tunnel valve read transducers
#69Beaked write transducer
#70Magnetic sensor manufacturing
#71Segmented magnetic recording write head for writing timing-based servo patterns
#72Segmented magnetic recording write head for writing timing-based servo patterns
#73Magnetic recording write apparatus having a stepped conformal trailing shield
#74Magnetic writer having convex trailing surface pole and conformal write gap
#75Shingle magnetic writer having nonconformal shields
#76Magnetic head for perpendicular magnetic recording including a write shield
#77Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps
#78Microwave assisted magnetic recording head and magnetic recording device having the same
#79Magnetic writer having an asymmetric gap and shields
#80Write head having beveled non-magnetic write gap seed layer
#81Filled-gap magnetic recording head and method of making
#82Asymmetric MAMR head with self-aligned spin torque oscillator along flare edge for shingled magnetic recording
#83High density timing based servo format for use with tilted transducer arrays
#84Data reader with magnetic seed lamination
#85Magnetic recording head having narrow write gap, and disk device provided with the same
#86Apparatus with a lapping guide within a span of the transducer array
#87Non-uniform write gap perpendicular writer for shingle writing
#88Magnetic recording head and disk apparatus with the same
#89Write gap structure for a magnetic recording head
#90MAGNETIC RECORDING HEAD AND DISK DRIVE WITH THE SAME
#91Material for use in a TMR read gap without adversely affecting the TMR effect
#92Write head having non-magnetic write gap seed layer, and method
#93Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps
#94METHOD OF MAKING A MULTI-CHANNEL TIME BASED SERVO TAPE MEDIA
#95Magnetic recording head and disk drive including the same
#96HARDENED LAYER ON A DRIVE HEAD
#97Non-uniform write gap perpendicular writer for shingle writing
#98Method of forming a non-uniform write gap perpendicular writer for shingle writing
#99Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG)
#100Magnetic recording head configured to reduce the degradation of recorded signals and disk device including the same
#101Microwave assisted magnetic recording head having spin torque oscillator, and magnetic recording apparatus
#102Magnetic recording head, head gimbal assembly with the same, and disk drive
#103Magnetic sensor manufacturing
#104Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive
#105Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof
#106Asymmetric writer for shingled magnetic recording
#107Non-uniform write gap perpendicular writer for shingle writing
#108Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer
#109NICR AS A SEED STACK FOR FILM GROWTH OF A GAP LAYER SEPARATING A MAGNETIC MAIN POLE OR SHIELD
#110Perpendicular write head with wrap around shield and conformal side gap
#111Method for manufacturing a perpendicular magnetic write head having a leading edge tapered write pole, self aligned side shield and independent trailing shield
#112Plasmon shield to shape and reduce optical spot
#113Method to make an integrated side shield PMR head with non-conformal side gap
#114Perpendicular magnetic write head including high magnetic moment seed layer for trailing shield therein and/or method of making the same
#115Method of making a multi-channel time based servo tape media
#116Material for use in a TMR read gap without adversely affecting the TMR effect
#117Magnetic write head having a wrap around trailing shield with an asymetrical side gap
#118Magnetic head having an asymmetrical shape and systems thereof
#119HARD DISK DRIVE
#120Magnetic head with flared write pole with multiple non-magnetic layers thereover
#121Magnetic writer having multiple gaps with more uniform magnetic fields across the gaps
#122Slanted bump design for magnetic shields in perpendicular write heads and method of making same
#123Asymmetric writer for shingled magnetic recording
#124PATTERNED MAGNETIC RECORDING HEAD WITH TERMINATION PATTERN
#125Method to make an integrated side shield PMR head with non conformal side gap
#126Method of making a multi-channel time based servo tape media
#127Multichannel time based servo tape media
#128Magnetic head for perpendicular recording having stepped wrap around shield with independent control of write pole track width and flare point dimensions
#129Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer
#130MAGNETIC MEDIA HAVING A SERVO TRACK WRITTEN WITH A PATTERNED MAGNETIC RECORDING HEAD
#131Filled-gap magnetic recording head and method of making
#132Perpendicular magnetic recording head that suppresses side fringing
#133Flat profile tape head
#134Magnetic head having three modules
#135Magnetic head for perpendicular magnetic recording and method of manufacturing same
#136Method of making a multi-channel time based servo tape media
#137Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern
#138Magnetic media having a non timing based servo track written with a patterned magnetic recording head and process for making the same
#139Magnetic head
#140Magnetic head having three modules
#141Magnetic recording head
#142Process for fabricating a magnetic recording head with a laminated write gap
#143Double layer patterning and technique for milling patterns for a servo recording head
#144Magnetic media having a servo track written with a patterned magnetic recording head
#145Magnetic recording medium with high areal recording density and magnetic recording apparatus
#146Self aligned wrap around shield for perpendicular magnetic recording
#147Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads
#148Magnetic write head with gap termination less than half distance between pedestal and back gap
#149Self-aligned trimmed pole
#150Optimizing a current distribution in write heads for efficient energy-assisted magnetic recording
#151Magnetic recording head with assisting electric current in trailing shield
#152Spintronic device having negative interface spin scattering
#153Magnetic head including spin torque oscillator
#154Energy assisted magnetic recording head having improved areal density capability
#155Areal density capability improvement with a main pole skin
#156Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield
#157Dual writer designs with SOT and STT assisted recording
#158Dual writer for advanced magnetic recording
#159Amplifying structure for microwave-assisted magnetic recording
#160Three terminal magnetic recording head
#161Method of forming a write head with a write pole shield having a low saturation magnetization layer
#162Writer with narrower high moment trailing shield
#163Write heads having conducting side gap for directing current
#164Writer with recessed spin flipping element in the main pole surrounding gap
#165Ultimate double yoke (uDY) combined with one turn coil designs for perpendicular magnetic recording (PMR)
#166Writer with recessed spin flipping element in the write gap
#167Write head with reduced side to trailing shield spacing
#168Magnetic head with current assisted magnetic recording and method of making thereof
#169Write pole shield having a low saturation magnetization layer
#170Write head with reduced trailing shield—side shield spacing
#171Magnetic recording head with spin torque oscillator, head gimbal assembly and magnetic recording apparatus
#172Magnetic writer having convex trailing surface pole and conformal write gap
#173Gradient write gap for perpendicular magnetic recording writer
#174Dual purpose tape write transducer
#175Method for fabricating a magnetic writer having an asymmetric gap and shields
#176Conformal high moment side shield seed layer for perpendicular magnetic recording writer