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Match Document Document Title
7444741 Process to manufacture a CPP GMR read head  
Biasing schemes used for CIP GMR devices were previously thought to be impractical for CPP devices due to current shunting by the abutted hard magnets. In the present invention the CPP stripe is a...
7444740 Damascene process for fabricating poles in recording heads  
A method and system for manufacturing a pole for a magnetic recording head. The method and system include providing an insulator and fabricating at least one hard mask on the insulator. The at...
7441325 Perpendicular head with trailing shield and rhodium gap process  
A perpendicular write head including a main pole and a trailing shield, the main pole being made of a diamond-like carbon (DLC) layer as hard mask and a rhodium (Rh) layer as shield gap, both DLC...
7429493 Method for fabricating a magnetic head for perpendicular recording using a CMP lift-off and resistant layer  
A method using a CMP resistant hardmask in a process of fabricating a pole piece for a magnetic head is described. A set of layers used as the mask for milling the pole piece preferably includes a...
7418778 Method for producing a CPP thin-film magnetic head  
A CPP thin-film magnetic head includes a bottom shield layer; a top shield layer, the bottom shield layer and the top shield layer being disposed at a predetermined interval; a thin-film magnetic...
7398592 Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads  
This invention describes a manufacturable method, including a CMP liftoff process, for removing masking materials after ion milling for fabricating the write pole of a magnetic head. Significant...
7398591 Manufacturing method of a thin-film magnetic head  
The present invention relates to a manufacturing method of a thin-film magnetic head whereby re-deposition and an overlapped part in a region of a magnetoresistive effect multi-layered structure...
7395595 Method for manufacturing P3 layer of a perpendicular magnetic write head  
A method for forming a P 3 layer with NiFe and alumina mask using resist shrink process for use in perpendicular magnetic write heads. The method includes forming a laminated layer, forming an...
7392579 Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage  
A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced...
7392578 Thin film magnetic head and manufacturing method thereof  
A method for manufacturing a thin film magnetic head with a write element, the write element having a first yoke portion and a second yoke portion connected to each other by a back gap portion, a...
7392577 Method for manufacturing a perpendicular magnetic head  
A method of manufacturing a perpendicular magnetic head is disclosed, including perpendicular magnetic recording head includes forming a primary magnetic pole having a flat top surface, where a...
7389578 Manufacturing method of a perpendicular recording magnetic head  
Embodiments in accordance with the present invention relate to methods wherein when a main pole is processed by using an ion milling technique, a re-adhesion layer created on the side face of the...
7386934 Double layer patterning and technique for milling patterns for a servo recording head  
Double photolithography is used to produce an under-layer of protective and filtering photoresist over a substrate that will have channels milled with a FIB. Secondary layers are applied with...
7386933 Method of fabricating thin film write heads with a shortened yoke and improved dimension control  
A method for fabricating a magnetic recording head writer. The writer includes a bottom magnetic pole and a write gap formed over the bottom pole and a coil trench formed in the bottom pole. A top...
7377024 Method of making a magnetic write head with trailing shield throat pad  
A method of fabricating a magnetic transducer is described which uses a trailing shield throat pad to set the trailing shield throat height. The trailing shield throat pad is used as a part of the...
7369357 Magnetic head, head suspension assembly, magnetic reproduction apparatus, and method of manufacturing magnetic head  
A magnetic head for use in the vicinity of a magnetic recording medium, comprising a substrate, a close contact layer laminated on the substrate, and a protective layer which is laminated on the...
7367112 Method of fabricating a head for perpendicular magnetic recording with a self-aligning side shield structure  
A method is provided for fabricating a head for perpendicular recording with self-aligning side shields. The voids where the side shields will be formed are milled into the layer of material for...
7365942 Thin-film magnetic head  
A thin-film magnetic head for perpendicular magnetic recording comprises a coil, a main magnetic pole layer for performing perpendicular recording, a write shield layer and a write gap layer,...
7363700 Method of manufacturing a thin film magnetic head  
The present invention provides a thin film magnetic head achieving improved recording performance by sharpening recording magnetic field gradient as much as possible. The thin film magnetic head...
7363699 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers  
A magnetoresistive sensor having a hard bias layer with an engineered magnetic anisotropy in a direction substantially parallel with the medium facing surface. The hard bias layer may be...
7363698 Process for creating a write head by forming a bump after the top pole is formed  
Methods for creating a write head by forming a bump after the top pole is formed are provided. In one embodiment, a bottom pole is created out of a first layer. A non-magnetic gap material is...
7360301 Method of manufacturing a thin film magnetic head  
The invention is directed to improvement of a write element of a thin film magnetic head. The first pole portion projects from a flat surface of a first yoke portion at a medium-facing surface side...
7360300 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer  
A magnetoresistive sensor having a hard magnetic pinning layer with an engineered magnetic anisotropy in a direction substantially perpendicular to the medium facing surface. The hard magnetic...
7360299 Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic in-stack bias layer  
A magnetoresistive sensor having an in stack bias layer with an engineered magnetic anisotropy in a direction parallel with the medium facing surface. The in-stack bias layer may be constructed of...
7360296 Method for reducing damage to sliders during lapping  
A process is described for fabricating sliders with reduced lapping damage to the hard-bias materials. The stack of layers for the magnetic sensor is deposited on a wafer and patterned into an...
7359156 Magnetic tape head system method specifying parameters for near-constant resolution at varying tape velocities  
A magnetic tape head system and associated method are disclosed. Included is one or more head assemblies each including a base with a row bar coupled thereto with a head situated therein for...
7356909 Method of forming a CPP magnetic recording head with a self-stabilizing vortex configuration  
A method is provided for forming a CPP MTJ or GMR read sensor in which the free layer is self-stabilized by a magnetization in a circumferential vortex configuration. This magnetization permits the...
7355813 Method of fabricating a narrow projection such as a write pole extending from a substrate  
An article is formed as a substrate having a projection extending outwardly therefrom. The article may be a magnetic recording head and the projection a write pole. The projection has a width in a...
7350284 Methods of making a current-perpendicular-to-the-planes (CPP) type sensor by ion milling to the spacer layer using a mask without undercuts  
In one particular example, a plurality of CPP type sensor layers are formed over a wafer and a mask without undercuts is formed over the plurality of CPP type sensor layers in a central region....
7343669 Method of manufacturing a thin film magnetic head  
A manufacturing method of a thin film magnetic head is provided. In the manufacturing method of a thin film magnetic head, an inorganic insulating layer is formed along at least a sidewall surface...
7343667 Methods of making a side-by-side read/write head with a self-aligned trailing shield structure  
A side-by-side read/write head includes a self-aligned trailing shield, where a rear edge of the trailing shield is defined by the same lithography/etching process used to define a rear edge of a...
7343666 Methods of making magnetic write heads with use of linewidth shrinkage techniques  
In one illustrative example, a method for use in making a magnetic write head includes the steps of forming a first pole piece layer of a first pole piece; forming a patterned resist over the first...
7343664 Method of manufacturing a magnetic head with flux shaping layer  
A method for fabricating a magnetic head includes forming a first pole and a flux shaping layer in spaced relation to the first pole. A nonmagnetic layer is formed adjacent the flux shaping layer...
7340824 Method for fabricating a magnetic head having an improved magnetic shield  
A first magnetic shield layer of the read head sensor is deposited upon a slider substrate surface. A patterned photoresist is then photolithographically fabricated upon the first magnetic shield...
7339763 Disk drive thin-film inductive write head with pole tip structure having reduced susceptibility to corrosion  
A disk drive thin-film write head has a first ferromagnetic pole tip that includes a pedestal pole layer and a capping layer on the pedestal pole layer. A substantial portion of the pedestal pole...
7328499 Method of manufacturing a thin film magnetic head  
Provided is a thin film magnetic head capable of inhibiting the occurrence of track erasing and improving the reliability of magnetic recording. Two taper surfaces are disposed on both sides of a...
7327535 Hybrid coating for magnetic heads  
A system and method for providing corrosion protection for a magnetic read/write head is disclosed. A monolayer surface coating is applied to cover those portions of the under layer of a magnetic...
7325296 Method of fabricating a magnetic head  
A magnetic head having a magnetic shield and/or pole layer that is fabricated as a plurality of laminated layers, in which each layer includes a sublayer thickness of Fe(N) and a sublayer thickness...
7324304 Tapered write pole for reduced skew effect  
A write pole for a read/write head of a disk drive system has a tapered surface on a leading edge thereof. Preferably, the tapered surface has a taper angle of between 0 and 20 degrees from a plane...
7322097 Method of manufacturing a magnetic head having short pole yoke length  
The induction coil of the magnetic head of the present invention is fabricated in a patterned electrical insulation material, preferably utilizing reactive ion etch (RIE) techniques. The electrical...
7322096 Method for fabricating magnetic write heads  
A magnetic write head and method for bulk fabrication of the same are provided. A trench is formed in a nonmagnetic substrate. A first magnetically permeable layer is deposited in the trench of the...
7322095 Process of manufacturing a four-sided shield structure for a perpendicular write head  
A process for reducing fringe field effects of a main write pole by shielding it on all four sides, with the regular return pole also serving as the leading edge shield, is described. The main pole...
7320174 Methods for creating ground paths for ILS  
Methods for creating a ground path between a stainless steel suspension and a copper trace layer in an integrated lead assembly of a disk drive suspension. The invention prevents electrostatic...
7312952 Thin-film magnetic head for perpendicular magnetic recording  
A thin-film magnetic head for perpendicular magnetic recording includes a nonmagnetic conductive elevation layer disposed under a main magnetic pole layer. The nonmagnetic conductive elevation...
7310204 Inductive writer design for using a soft magnetic pedestal having a high magnetic saturation layer  
A magnetic head for writing information on a relatively-moving medium has a pair of substantially flat soft magnetic pole layers separated by a pair of coil layers. A soft magnetic pedestal adjoins...
7305753 Method for manufacturing a magnetic head  
A first magnetic layer is formed on a first magnetic layer formation surface, and then a first material layer-forming layer is deposited on the first magnetic layer formation surface and on the...
7300712 Magnetic sensor and position detector  
In a magnetic sensor ( 1 ) including a substrate ( 10 ) having a magnetism-sensitive element ( 11 ) formed thereon, a hard membrane ( 14 ) is formed on the outermost surface, an organic film ( 13 )...
7296338 Method and apparatus for providing a reverse air bearing surface head with trailing shield design for perpendicular recording  
A method and apparatus for providing a reverse air bearing surface head with trailing shield design for perpendicular recording. A reverse air bearing surface head for perpendicular recording is...
7296337 Notched trailing shield for perpendicular write head  
During fabrication of a perpendicular write head in a wafer, at least two sides of a write pole are defined (e.g. by ion milling) while a third side of the write pole is protected by a masking...
7293345 Method of manufacturing a thin film magnetic recording head  
A invention provides a method of manufacturing a thin film magnetic head is provided, capable of forming a magnetic pole layer as easily as possible. By etching a lower insulating layer and the...
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