Matches 1 - 49 out of 49
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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...
7397111 Semiconductor wafer, an electronic component, and a component carrier for producing the electronic component  
An electronic component includes a semiconductor chip with a chip topside, an integrated circuit, and a chip backside. The chip backside includes a magnetic layer. The electronic component further...
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...
7392580 Method for manufacturing a slider using electromagnetic wave  
A method for manufacturing sliders from a bar has: a radiating step which includes radiating an electromagnetic wave on at least a part of each space on a second surface of said bar, wherein said...
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...
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...
7389577 Method to fabricate an ESD resistant tunneling magnetoresistive read transducer  
A method to fabricate a tunneling magnetoresistive (TMR) read transducer is disclosed. An insulative layer is deposited on a wafer substrate, and a bottom lead is deposited over the insulative...
7389575 Method of manufacturing permanently magnetized elements  
There is disclosed a method of manufacturing a plurality of removable permanently magnetized elements from a substrate comprising ferrite material. The method prints symbol images on the substrate...
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...
7383626 Methods for fabricating giant magnetoresistive (GMR) devices  
In a method of fabricating a giant magnetoresistive (GMR) device a plurality of magnetoresistive device layers is deposited on a first silicon nitride layer formed on a silicon oxide layer. An etch...
7380331 Methods for forming a reed sensor  
A method comprises depositing first and second lead layers in end regions which surround a central region; and forming a read sensor in the central region such that a first edge of the read sensor...
7380330 Method for making magnetic write head  
After defining the P2 pole of a magnetic read head, alumina is deposited over it and planarized by CMP, with the portion of the alumina overlaying the ABS region of the P2 pole subsequently being...
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...
7370405 Fabrication method of a high gradient-field recording head for perpendicular magnetic recording  
A thin film magnetic head for perpendicular recording of a single-pole type has a flux enhanced part and a flux enhanced end arranged on a leading side of the main pole in parallel with the cross...
7370404 Method for resetting pinned layer magnetization in a magnetoresistive sensor  
A spin valve sensor in a read head has a spacer layer which is located between a self-pinned AP pinned layer structure and a free layer structure. The free layer structure is longitudinally...
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...
7367111 Method for producing a spin valve transistor with stabilization  
A method and structure for a spin valve transistor (SVT) comprises a magnetic field sensor, an insulating layer adjacent the magnetic field sensor, a bias layer adjacent the insulating layer, a...
7367109 Method of fabricating magnetic sensors with pinned layers with zero net magnetic moment  
A method for achieving a nearly zero net magnetic moment of pinned layers in GMR sensors, such as Co—Fe/Ru/Co—Fe, is described. The method determines a thickness of the first pinned layer which...
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...
7360302 Manufacturing method of a magnetic sensor  
A magnetic sensor comprises magnetoresistive elements and permanent magnet films, which are combined together to form GMR elements formed on a quartz substrate having a square shape, wherein the...
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...
7360298 Method of manufacturing a magnetic bias pinning layer for a GMR sensor of a magnetic head  
A method for fabricating a magnetic head, including depositing a plurality of sensor layers, including a pinned magnetic layer, a spacer layer, a free magnetic layer, a bias spacer layer, and a...
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...
7355823 Ta based bilayer seed for IrMn CPP spin valve  
The effectiveness of an IrMn pinning layer in a CPP GMR device at high switching fields has been improved by replacing the conventional single layer seed by a layer of tantalum and either ruthenium...
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...
7343668 Method of manufacturing perpendicular magnetic recording head capable of highly precisely defining gap distance  
A method of manufacturing a perpendicular magnetic recording head is provided. The method accurately defines a gap layer. The method includes forming a lower gap layer made of a non-magnetic...
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...
7343665 Method of making current-perpendicular-to-the-plane structure magnetoresistive head  
The lower electrode is at least exposed at the surface of a substructure layer in a current-perpendicular-to-the-plane structure magnetoresistive element. A resist is formed to extend over the...
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...
7334317 Method of forming magnetoresistive junctions in manufacturing MRAM cells  
A method of forming a magnetoresistive junction in a process of manufacturing a magnetoresistive memory cell includes providing a semiconductor substrate having at least one via contact layer on a...
7331100 Process of manufacturing a seed/AFM combination for a CPP GMR device  
An improved seed/AFM structure is formed by first depositing a layer of tantalum on the lower shield. A NiCr layer is then deposited on the Ta followed by a layer of IrMn. The latter functions...
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...
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...
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...
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...
7320170 Xenon ion beam to improve track width definition  
Using a beam of xenon ions together with a suitable mask, a GMR stack is ion milled until a part of it, no more than about 0.1 microns thick, has been removed so that a pedestal, having sidewalls...
7320168 Method to improve heat dissipation in a magnetic shield  
Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat...
7313858 Method for manufacturing a magnetic head coil structure and/or pole tip structure  
A Damascene process is provided for manufacturing a coil structure for a magnetic head. During the manufacturing process, an insulating layer is initially deposited after which a photoresist layer...
7313856 Method of manufacturing a magnetoresistive sensor with a thin antiferromagnetic layer for pinning antiparallel coupled tabs  
A manufacturing method for a spin valve sensor with a thin antiferromagnetic (AFM) layer exchange coupled to a self-pinned antiparallel coupled bias layer in the lead overlap regions is provided....
Matches 1 - 49 out of 49