Matches 1 - 43 out of 43


Match Document Document Title
US20090116145 Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer  
A PMR writer with a tapered main pole layer and tapered non-magnetic top-shaping layer is disclosed that minimizes trailing shield saturation. A second non-magnetic top shaping layer may be...
US20060256471 Magnetic writing pole and a perpendicular writing element  
The writing pole is formed of a magnetic material and includes a pole tip having an air-bearing surface and a throat portion extending away from the pole tip and away from the air-bearing surface....
US20090128953 PERPENDICULAR MAGNETIC WRITE HEAD WITH STITCHED NOTCHED TRAILING SHIELD  
A magnetic write head for perpendicular magnetic recording having a stitched notched trailing shield. The trailing shield includes a first pedestal portion having sides that are self aligned with...
US20110273799 NANOMETER SCALE MAGNETIZATION  
Magnetic heads for perpendicular magnetic recording on magnetic recording media are provided.
US20080144215 ELECTRICAL LAPPING GUIDE FOR FLARE POINT CONTROL AND TRAILING SHIELD THROAT HEIGHT IN A PERPENDICULAR MAGNETIC WRITE HEAD  
A method for constructing a magnetic write head using an electrical lapping guide to carefully control critical dimensions dining a lapping operation used to define an air bearing surface. The...
US20150049401 PERPENDICULAR TIMING-BASED SERVO HEADS  
A perpendicular recording head and tape having some perpendicular component of magnetization are provided. The perpendicular recording head may contain at least two non-parallel poles such that...
US20090034121 Magnetic head for perpendicular magnetic recording with coil wound around pole layer  
A magnetic head includes a medium facing surface, a coil, and a pole layer that generates a write magnetic field. The pole layer includes: a track width defining portion having a first end located...
US20070230045 Two step corner recess for secondary stray field reduction in a perpendicular magnetic recording head  
A magnetic structure for use in a magnetic head for avoiding stray field writing. The magnetic structure can be for example a magnetic shield or could be a magnetic pole of a write head and is...
US20140340786 METHOD FOR REDUCING VARIATION RANGE OF SKEW ANGLE OF MAGNETIC WRITING POLE AND MAGNETIC WRITING POLE USING THE METHOD  
A method for reducing skew angle variation range in a shingled magnetic recording system, the method including the following steps: 1) determining whether a starting magnetic track is in an inner...
US20130135772 METHOD FOR MANUFACTURING A MAGNETIC SENSOR USING TWO STEP ION MILLING  
A method for manufacturing a magnetic sensor that includes depositing a plurality of mask layers, then forming a stripe height defining mask over the sensor layers. A first ion milling is...
US20070253107 Perpendicular recording magnetic head  
Embodiments in accordance with the present invention provide a perpendicular recording magnetic head whose dimensional dependency on the nonuniformity of magnetic field strength and distribution...
US20090168240 PERPENDICULAR WRITE HEAD HAVING A MODIFIED WRAP-AROUND SHIELD TO IMPROVE OVERWRITE, ADJACENT TRACK INTERFERENCE AND MAGNETIC CORE WIDTH DEPENDENCE ON SKEW ANGLE  
A magnetic write head for perpendicular magnetic data recording. The write head includes an wrap around trailing shield structure for improved write field strength, reduced skew related adjacent...
US20090080110 PERPENDICULAR RECORDING MAGNETIC MEDIA WITH IMBALANCED MAGNETIC MOMENT MULTILAYER CAP STRUCTURE  
A perpendicular magnetic recording media is provided having an imbalanced magnetic moment multilayer cap. The perpendicular magnetic recording media comprises a granular layer, and a multilayer...
US20100091407 PERPENDICULAR WRITE HEAD HAVING A STEPPED FLARE STRUCTURE AND METHOD OF MANUFACTURE THEREOF  
A magnetic write head for data recording having a magnetic write pole with a stepped magnetic shell structure that defines a secondary flare point. The secondary flare point defined by the...
US20150179193 MULTIPLE READERS FOR HIGH RESOLUTION AND SNR FOR HIGH AREAL DENSITY APPLICATION  
The present invention generally relates to a read head in a magnetic recording head. The read head utilizes two reader elements that are stacked in the down track direction within the same read...
US20080316648 Nanocryalline structured co-based alloy intermediate layer (IL) replacing ru layer in perpendicular magnetic recording media for hard disk drive  
A disk for a hard disk drive. The disk includes a first magnetic layer and a second magnetic layer. An intermediate layer consisting of cobalt and titanium is located between the first and second...
US20090097158 PERPENDICULAR MAGNETIC WRITE HEAD WITH DUAL PANCAKE WRITE COILS  
A method for manufacturing a magnetic write head for perpendicular magnetic data recording. The method allows an upper write coil to be formed directly on a conformally deposited layer of...
US20090002885 PERPENDICULAR MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING THE SAME  
Provided are a perpendicular magnetic recording (PMR) head and a method of manufacturing the same. The PMR head includes a main pole, a return yoke, and a coil to which current is supplied so that...
US20070268625 Method for manufacturing a magnetic write head having a trailing shield with an accurately controlled trailing shield gap thickness  
A method for constructing a magnetic write head for use in perpendicular magnetic recording, the write head having a write pole with a trailing shield. After forming a magnetic write pole such as...
US20090128952 MAGNETIC HEAD, HEAD ASSEMBLY AND MAGNETIC RECORDING/REPRODUCING APPARATUS  
The present invention relates to a perpendicular recording magnetic head. A main magnetic pole film includes an electrode film and a plated magnetic film. The electrode film includes a Ru film and...
US20080218902 METHOD FOR MEASURING WIDTH OF PLATING LAYER, MAGNETIC RECORDING HEAD, AND MANUFACTURING METHOD THEREOF  
A magnetic head has a main magnetic pole made of at least a magnetic material and a coil. The main magnetic pole has a stop layer through an inorganic insulating layer on both sides of the main...
US20100321825 MAGNETIC WRITER WITH MULTI-COMPONENT SHIELF  
A writer comprises a main pole, a write gap and a write shield. The main pole has a main pole tip for emitting magnetic flux. The write gap is adjacent the main pole tip along a center axis of the...
US20060087765 Magnetic head for perpendicular recording  
Embodiments of the invention provide a perpendicular recording magnetic head capable of reducing leakage magnetic fields from the soft magnetic films on the air bearing surface side and reducing...
US20100061015 MAGNETIC DISK DEVICE AND MAGNETIC HEAD  
A magnetic disk device includes: a magnetic disk that includes a magnetic recording layer exhibiting Ising ferromagnetism; a recording magnetic pole that includes a pair of tip magnetic poles that...
US20090059427 Perpendicular magnetic recording head and method for manufacturing the same  
Embodiments of the present invention help to provide a perpendicular magnetic recording head capable of writing a signal in a track having a small width. According to one embodiment, a...
US20090103210 Apparatus and method for sensing an external magnetic field to protect a perpendicular magnetic recording (PMR) hard disk drive  
A hard disk drive is disclosed including a voice coil motor and a magnetic sensor communicating with a control circuit. A magnetic sensor reading is created and used to stop access operations in...
US20080198508 MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING AND MAGNETIC DISK DRIVE  
There is provided a perpendicular recording magnetic head that is able to improve further the magnetic characteristic in writing the magnetic data by magnetizing a magnetic recording medium in the...
US20100246061 Shielded Perpendicular Magnetic Recording Head  
A magnetic recording head for perpendicular magnetic recording includes energizing means, a recording pole, and a return pole. The recording pole narrows to a tip region with leading and trailing...
US20110134561 PERPENDICULAR MAGNETIC RECORDING WRITE HEAD AND SYSTEM WITH IMPROVED SPIN TORQUE OSCILLATOR FOR MICROWAVE-ASSISTED MAGNETIC RECORDING  
A microwave-assisted magnetic recording (MAMR) write head and system has a spin-torque oscillator (STO) located between the write pole of the write head and a trailing shield that alters the write...
US20070253106 Magnetic head apparatus and magnetic recording and reproducing apparatus  
A magnetic head apparatus is provided which is capable of recording data in a recoding layer having high coercive force with high accuracy without heating. A magnetic recording and reproducing...
US20100315741 Perpendicular magnetic recording head  
A perpendicular magnetic write head capable of suppressing damage and corrosion of a magnetic pole to secure a stable writing performance is provided. A non-magnetic protruding layer protruding...
US20110026161 PARTIALLY-OXIDIZED CAP LAYER FOR HARD DISK DRIVE MAGNETIC MEDIA  
A perpendicular recording magnetic media with a partially-oxidized cap layer combines a second oxide layer with a first cap layer to form the singular, partially-oxidized cap. The oxidized portion...
US20100128391 Perpendicular Recording Media Having an Exchange-Spring Structure  
A recording medium providing improved writeability in perpendicular recording applications includes a magnetic recording layer having an axis of magnetic anisotropy substantially perpendicular to...
US20070206323 Asymmetric type perpendicular magnetic recording head and method of manufacturing the same  
An asymmetric perpendicular magnetic recording head and a method of manufacturing the same, wherein the perpendicular magnetic recording head includes a read head for reading data from a magnetic...
US20070291410 Method of Manufacturing Perpendicular Magnetic Recording Medium and Perpendicular Magnetic Recording Medium  
In order to increase a surface recording density by greatly increasing a track density with maintaining a recording and reproducing property which is not less than that of the prior art, a...
US20100157473 MAGNETIC DISK DRIVE  
According to one embodiment, a magnetic disk drive includes a magnetic disk including a magnetic recording layer exhibiting perpendicular magnetic anisotropy, a write head including a core...
US20090257147 PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS  
A disclosed perpendicular magnetic recording medium includes a substrate; a soft magnetic underlayer disposed on the substrate and having no remanent magnetization; and a ferromagnetic recording...
US20080100962 PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF FABRICATING THE SAME, AND MAGNETIC RECORDING SYSTEM  
A crystallized ferromagnetic layer containing Fe, Co and/or Ni, formed as a polycrystalline ferromagnetic layer is used as a part of the anti parallel soft under layer (APS-SUL) structure in...
US20050225900 Magnetic recording media and production thereof, and, magnetic recording apparatus and method  
A magnetic recording medium of the present invention includes a substrate and a porous layer on or above the substrate. The porous layer contains a plurality of pores each extending in a direction...
US20160300591 PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING APPARATUS  
A perpendicular magnetic recording medium includes a structure in which at least a soft magnetic backing layer, an underlayer, an intermediate layer, and a perpendicular magnetic recording layer...
US20160300588 ELECTROMAGNETIC DATA STORAGE DEVICES  
The present invention relates to an electromagnetic data storage device comprising a data storage medium including a magnetic material, and a write head including an electromagnetic element...
US20160148633 PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS  
A perpendicular magnetic recording medium includes a perpendicular magnetic layer provided above a nonmagnetic substrate, and a protection layer provided on the perpendicular magnetic layer. The...
US20160078888 UNDERLAYER FOR REFERENCE LAYER OF POLYCRYSTALLINE CPP GMR SENSOR STACK  
Embodiments disclosed herein generally relate to a magnetic head having an amorphous ferromagnetic reference layer. The ferromagnetic reference layer may have amorphous structure as a result of an...

Matches 1 - 43 out of 43