Matches 251 - 300 out of 459 < 1 2 3 4 5 6 7 8 9 10 >
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6612017 Method of making a write head with multi-stitched second pole piece  
A method of making a magnetic head, which has an air bearing surface (ABS), includes forming first and second pole piece layers with the second pole piece layer having a front located second pole...
6609948 Method of making an electronic lapping guide (ELG) for lapping a read sensor  
An electronic lapping guide (ELG) and method of making are provided for precisely lapping a read sensor to a designed air bearing surface (ABS). In the method a sensor material layer is formed on a...
6606782 Method of forming a continuous free layer spin valve sensor with patterned exchange underlayer stabilization  
To form a spin valve device, start by forming a gap layer. Form a buffer layer with a layer of refractory material on the buffer layer. Form patterned underlayers including a magnetic material for...
6606781 Method of making double tunnel junction with magnetoresistance enhancement layer  
An apparatus and method is disclosed for an enhanced double tunnel junction sensor which utilizes an enhancement layer(s) to enhance magnetoresistance (MR coefficient) and resonant tunneling....
6594884 Method of making a multilayered pinned layer structure for improved coupling field and GMR for spin valve  
A method of making a multifilm structure is provided for a pinned layer structure of a spin valve sensor for increasing the magnetoresistive coefficient (dr/R) of the sensor and/or decreasing a...
6591479 Production method for a spin-valve type magnetoresistive element  
A production method for a spin-valve type magnetoresistive element comprising laminating an antiferromagnetic layer, a pinned magnetic layer, a non-magnetic electrically conductive layer, a free...
6592725 Fabrication method for spin valve sensor with insulating and conducting seed layers  
A method is described comprising forming an insulating polycrystalline seed layer in a first chamber by reactively pulsed DC magnetron sputtering, then forming an insulating amorphous-like seed...
6591480 Process for fabricating a flux concentrating stitched head  
A method for fabricating a flux concentrating stitched write head for high data rate applications wherein said flux concentration is achieved by means of a non-magnetic step embedded into a portion...
6588091 Method of making magnetic head with precisely defined zero throat height  
A method makes a magnetic head having a top and a bottom, front and rear ends and an air bearing surface (ABS) at the front end, comprising the steps of forming first and second pole piece layers...
6588092 Method for producing a magnetic head, the magnetic head including a pair of magnetic core halves  
Method for producing a magnetic head of a pair of magnetic core halves combined with a nonmagnetic layer therebetween including forming a winding window in at least one of a pair of generally flat...
6581272 Method for forming a bottom spin valve magnetoresistive sensor element  
A method for forming a bottom spin valve sensor having a synthetic antiferromagnetic pinned (SyAP) layer, antiferromagnetically coupled to a pinning layer, in which one of the layers of the SyAP is...
6577475 Thin-film magnetic head having reduced yoke length and method of manufacturing same  
A recording head has a bottom pole layer and a top pole layer that include pole portions, and a recording gap layer placed between the pole portions. The recording head further has a thin-film coil...
6574854 Method for reducing magnetic head write gap curvature of a plated write gap  
A method for forming a magnetic head to solve the curved electrodeposited write gap layer problem by initially fabricating the write gap layer to be wider than the intended final P 2 pole tip...
6560853 Method of making inductive head with reduced height insulation stack due to partial coverage zero throat height defining insulation layer  
A method makes a magnetic head with a zero throat height (ZTH) comprising the steps of forming a first pole piece layer, forming the ZTH defining insulation layer on a first portion of the first...
6557241 Method of manufacturing combination type thin film magnetic head and wafer for use therefor  
A process of forming a combination-type thin film magnetic head on a wafer is disclosed wherein plural polished amount-monitoring elements are formed at the same time as formation of the members...
6553649 Method of making a write head before read head constructed merged magnetic head with track width and zero throat height defined by first pole tip  
A method makes a merged magnetic head that has an air bearing surface and read and write head portions wherein the write head portion has a pole tip, yoke and back gap regions. A method of making...
6550131 Method for making a thin-film magnetic head  
A method for making a thin-film magnetic head with a magnetoresistive layer having a desired shaped to facilitate narrowing of the track width, wherein the surface, in the depth direction, is not...
6539610 Method for manufacturing a magnetic write head  
A high throughput method for producing the narrow track width inductive head is also provided, whereby the heads may be manufactured in substantial volumes. The new head may be merged or...
6530141 Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency  
A method of forming a thin film magnetic head, including forming a first magnetic layer, forming a second magnetic layer as a magnetic flux passage in combination with the first magnetic layer, and...
6522507 Single top spin valve heads for ultra-high recording density  
A method for fabricating a single top spin valve head that is capable of reading ultra-high density recordings. Said top spin valve has a CoFe free layer for high GMR ratio, which is grown on a...
6513228 Method for forming a perpendicular recording read/write head  
A method for forming a perpendicular magnetic read/write head having an air bearing surface and comprising a substantially planar top pole and a shared pole is disclosed. The steps include forming...
6497825 Manufacturing method of thin-film magnetic head  
A method of manufacturing a thin-film magnetic head, includes a first step of forming a second magnetic pole layer (an upper magnetic pole layer) on a magnetic gap layer formed on a first magnetic...
6493926 Bi-layer lift-off process for high track density GMR head  
A method for forming a bi-layer lift-off mask for use in fabricating an abutted junction type GMR read-head sensor with a narrow trackwidth of less than 0.5 microns. The mask has a novel suspension...
6477765 Method of fabricating a magnetic write transducer  
What is disclosed is a method of fabricating a thin film magnetic write transducer and the resulting write transducer structure. The method starts with the formation of a bottom pole of the write...
6473960 Method of making nitrided active elements  
A method of manufacturing an active element for use with a magnetic head includes depositing a magnetic material to form a magnetic member, and nitriding the magnetic member after the depositing...
6466418 Bottom spin valves with continuous spacer exchange (or hard) bias  
A method for forming a specularly reflecting bottom spin valve magnetoresistive (SVMR) sensor element with continuous spacer exchange hard bias and a specularly reflecting bottom spin valve...
6460243 Method of making low stress and low resistance rhodium (RH) leads  
A method of making rhodium (Rh) lead layers for a read sensor comprises a first step of obliquely ion beam sputtering the rhodium (Rh) lead layer followed by a second step of annealing. This method...
6447839 Method of depositing multilayer thin films  
This invention is directed to methods for depositing multilayered thin films onto substrates, for example in making thin film magnetic heads. In accordance with the invention a first film, such as...
6434814 Method of manufacturing a magnetic head including a read head with read track width defining layer that planarizes the write gap layer of a write head  
A method of making a magnetic head that has a read head with a track width includes the steps of depositing a read track width defining material layer on a read sensor material layer; forming a...
6430806 Method for manufacturing an inductive write element employing bi-layer photoresist to define a thin high moment pole pedestal  
An inductive write element for use with a magnetic data recording and retrieval system is provided. The write element includes a magnetic yoke having an electrically conductive coil passing there...
6427319 Method for protecting magnetic read/write transducers against electrostatic discharge during disk drive manufacturing  
A method for protecting magnetic read/write head assembly against electrostatic discharge during disk drive manufacturing are disclosed. The magnetic head assembly is supported on a substrate...
6415500 Method to prevent electrostatic discharge for MR/GMR wafer fabrication  
Methods and structures are disclosed which avoid electrostatic charge build up and subsequent electrostatic discharge (ESD) during the wafer fabrication process of magnetoresistive (MR) or giant...
6399148 Method of manufacturing lapping control sensor for magnetoresistive effect head  
A lapping control sensor for a MR head includes a multi-layered structure of a metallic layer, an insulation layer, a resister layer and a lead conductor layer, and being provided in parallel with...
6393692 Method of manufacture of a composite shared pole design for magnetoresistive merged heads  
A merged read/write magnetic recording head comprises a low magnetic moment first magnetic shield layer over a substrate. A read gap layer with a magnetoresistive head is formed over the first...
6396671 Ruthenium bias compensation layer for spin valve head and process of manufacturing  
A spin valve structure, and method for manufacturing it, are described. The valve is subject to only small bias point shifts by sense current fields while at the same time has good GMR...
6388847 Specular spin valve with robust pinned layer  
A specular spin valve structure that is more robust than currently available specular spin valves is described. The improved stability is achieved by a using a modified pinned layer that is a...
6364743 Composite lapping monitor resistor  
A lapping monitor resistor for thin film transducers that rely upon an insulation layer to define a critical dimension includes a first conductive layer having a plurality of conductive blocks, an...
6353995 Thin film mangetic head and method of manufacturing same  
A insulating layer having a opening corresponding to a bottom pole tip is formed on a bottom pole layer. The insulating layer is made of a insulating material such as alumina and formed by, for...
6345435 Method to make laminated yoke for high data rate giant magneto-resistive head  
A method and design for the fabrication of a laminated yoke for a high data rate magnetic read-write transducer head. A full film layer of first ferromagnetic material is formed on a base using...
6339872 Method of making a merged magnetic head that includes a write head with single-sided notched first pole piece  
A single-sided, notched write head is provided for writing narrow erase band servo tracks as well as a double-notched write head, and for writing data tracks better than a double-notched write...
6338939 Embedded dual coil fabrication process  
A read/write head is provided with an embedded planar dual coil write structure. The head includes generally parallel shield, shield/pole, and pole layers. The shield/pole layer abuts a generally...
6330743 Thin film magnetic head and method of manufacturing the same  
In order to provide a thin film magnetic head having a high performance as well as a method of manufacturing the same, in which throat height TH of a pole portion and MR height MRH can be formed...
6325947 Method for forming low profile multi-layer coil merged thin film magnetic head  
A method for forming a merged thin film magnetic head having a first shield layer and a combined second shield and bottom pole piece layer arranged in a sandwich supporting a read sensor...
6308389 Ultrasonic transducer and manufacturing method therefor  
This invention relates to a method of manufacturing an ultrasonic transducer. First, a plurality of printed boards in each of which a plurality of leads are formed in a line are stacked. The end...
6308400 Method for achieving anti-parallel exchange coupling with one biased layer having low coercivity  
A method of forming a DSMR head comprises the steps of forming a first ferromagnetic (FM) strip on a substrate with a first anti-FM (AFM) pinning layer over a portion of the first ferromagnetic...
6305072 Method for manufacturing thin film magnetic head  
When manufacturing a thin film magnetic head in which an upper magnetic pole is formed on a lower magnetic pole through a magnetic gap, firstly, at least on the lower magnetic pole, a convex...
6301084 Protection of second pole tip during fabrication of write head  
A dielectric protection layer is formed on the top and first and second side walls of a second pole tip portion of a second pole piece layer for preventing alteration of the track width of the...
6291087 Magnetoresistive (MR) sensor element with enhanced resistivity sensitivity and enhanced magnetic exchange bias  
A method for forming a magnetoresistive (MR) sensor element, and a magnetoresistive sensor element fabricated in accord with the method. There is first provided a substrate. There is then formed...
6292329 Thin film single magnetic head  
A thin-film single magnetic pole head which assures highly efficient magnetic energization of a main magnetic pole and which exhibits optimum recording characteristics even in case of recording on...
6266868 Method of manufacturing a combination thin film magnetic head  
In a method of efficiently and promptly mass-producing a combination type thin film magnetic head having accurately defined short throat height, apex angle, and MR height or the like and capable of...
Matches 251 - 300 out of 459 < 1 2 3 4 5 6 7 8 9 10 >