Matches 101 - 150 out of 252 < 1 2 3 4 5 6 >
Match Document Document Title
6704178 Multichannel magnetic head using magnetoresistive effect  
A multichannel magnetic head utilizing the magnetoresistive effect comprises a plurality of magnetoresistive effect type reproducing magnetic head elements arrayed between a first and second...
6700760 Tunneling magnetoresistive head in current perpendicular to plane mode  
A tunneling magnetoresistive head according to the present invention includes a tunneling magnetoresistive stack having a free layer, a barrier layer, a pinned layer and a pinning layer. The...
6700737 Recording and reproducing separation type magnetic head having thin part in upper core or magnetic film and magnetic storage apparatus using the same  
A recording and reproducing separation type magnetic head has a recording head with an upper core and a lower core that writes information on a magnetic disk and a reproducing head with an upper...
6697234 Thin-film magnetic head having a shielding layer covered by a high-melting point layer on the magnetoresistive element side  
A thin-film magnetic head includes a magnetoresistive element, a shielding layer, and an insulating layer disposed between the magnetoresistive element and the shielding layer. The shielding layer...
6693774 Magnetoresistive sensor and magnetic storage apparatus  
A magnetoresistive sensor which, despite a narrow reproducing shield gap, affords high resolution and high reproducing output because of its structure and is able to minimize the amount of sense...
6686068 Heterogeneous spacers for CPP GMR stacks  
A CPP magnetoresistive sensor with a spacer layer made of a heterogeneous material, which is composed of conductive grains within a highly resistive matrix, has a high resistance. The conductive...
6683760 Thin film magnetic head comprising track positioning marker  
A thin film magnetic head that is ready for positioning of the elevation of the MR layer and most suitable for high density recording to be used for the helical scan type magnetic recording and...
6680832 CPP magnetoresistive sensors with in-stack longitudinal biasing and overlapping magnetic shield  
A current-perpendicular-to-the-plane (CPP) magnetoresistive sensor or read head has a magnetic shield geometry that covers the side walls of the sensor structure to prevent side reading caused by...
6680829 MR structures for high areal density reader by using side shields  
A magnetoresistive (MR) sensor for use in a magnetic storage system including a magnetic storage media having multiple concentric microtracks with information stored thereon. The MR sensor includes...
6678126 Magnetoresistance-effect magnetic head  
The part of an MR element 25 which lies close to a medium-facing surface 10 a overlaps that part of a flux-guiding element 24 which lies remote from the medium-facing surface 10 a , with a...
6673633 Method of forming patterned thin film and method of manufacturing thin-film magnetic head  
A thin-film magnetic head includes a top pole layer that defines a write track width. The top pole layer is formed as follows. A high saturation flux density material such as FeN or FeCo is...
6665152 Magnetic head that detects leakage fluxes from a medium at a high resolution and leads the fluxes into a magneto-resistive element  
Magnetic heads capable of recording and reading with high sensitivity and resolution are provided by minimizing the outflow of magnetic fluxes from a flux guide to magnetic shields while using a...
6657824 Magnetoresistive effect magnetic head, rotary magnetic head apparatus, and manufacturing method thereof  
It is assumed that W 1 is the width for an end face of the lower magnetic shield thin film 4 which is exposed outward from the tape sliding surface 1 a . It is also assumed that W 2 ...
6654209 Low resistance lead structure for a low resistance magnetic read head  
A magnetic recording head includes a current perpendicular to the plane read head having a read sensor and a low resistance lead structure. The lead structure includes a layer of conductive...
6650510 Magnetic head with poles of inductive head above mr head and magnetic shield above inductive head  
Provided is a magnetic head including a bottom pole, a top pole spaced a predetermined distance apart from the bottom pole, an inductive write coil for forming a magnetic field at the bottom and...
6643105 Magnetic head having magnetic shield layers  
A magnetic head include a pair of magnetic shield layers, a pair of gap layers formed between the pair of magnetic shield layers, a magnetoresistive layer arranged between the pair of gap layers,...
6643104 Magnetoresistive effect thin-film magnetic head  
An MR thin-film magnetic head includes a lower shield layer, an upper shield layer, a MR multilayer sandwiched between the lower shield layer and the upper shield layer, the MR multilayer being...
6633459 Functional recording-head on-slider lap monitor  
The invention is a magnetoresistive recording head including the reader portion that has a top and bottom shield, a first auxiliary electrical connection, a second auxiliary electrical connection,...
6631550 Method of manufacturing a thin-film magnetic head  
A method of manufacturing a thin-film magnetic head includes the steps of: forming a first shield layer and a first portion of a second shield layer to be placed in one plane and insulated from...
6628484 Planar gap pre-fill process for read heads  
A magnetoresistive (MR) read head is disclosed including a shield layer with a recessed portion and a protruding portion defined by the recessed portion. Also included is an MR sensor located in...
6618227 Combination perpendicular record and reproduce head having an auxiliary pole recessed from an air bearing surface and spaced from one of a pair of reproducing element sheilds  
A magnetic recording apparatus has a two-layered medium of a soft magnetic backing layer and a perpendicular recording layer, and a perpendicular recording head having a recording section including...
6614629 Thin film magnetic head providing an essentially warp-free upper shield layer and floating magnetic head using the same  
The present invention provides a thin film magnetic head which is prevented from producing a great step in an upper shield layer and which can decrease the probability of a short circuit between...
6603642 MAGNETIC TRANSDUCER HAVING A PLURALITY OF MAGNETIC LAYERS STACKED ALTERNATELY WITH A PLURALITY OF NONMAGNETIC LAYERS AND A FIXED-ORIENTATION-OF-MAGNETIZATION LAYER AND THIN FILM MAGNETIC HEAD INCLUDING THE MAGNETIC TRANSDUCER  
An object of the invention is to provide a magnetic transducer and a thin film magnetic head using the same, which can be manufactured by a simple manufacturing process and can obtain good output....
6597545 Shield design for magnetoresistive sensor  
A magnetic sensor includes a magnetoresistive sensor element and electrical contacts coupled to the magnetoresistive element configured to sense a response of the magnetoresistive element to a...
6580586 Magnetic transducer with recessed magnetic elements  
A magnetic transducer with selected elements recessed from the surface of the transducer is disclosed. The magnetic sensor element is recessed below its surrounding gap material and the second...
6563678 Thin-film magnetic head having insolating layer provided between gap layer and shielding layer  
A thin-film magnetic head having a magnetoresistive effect element wherein an insulating layer is formed under an electrode layer of a magnetoresistive effect element with a lower gap layer...
6563677 Magnetoresistive effect type reproducing head and magnetic disk apparatus equipped with the reproducing head  
A magnetoresistive effect type reproducing head includes a lower magnetic shield made of magnetic material, an upper magnetic shield made of magnetic material, a magnetoresistive effect type...
6538856 Read head with spin valve sensor having sense current in plane (CIP) thence sense current perpendicular to plane (CPP)  
A first lead is connected to an edge of a free layer of a spin valve sensor for conducting a sense current parallel to the planes of its film surfaces after which the sense current is conducted...
6525911 Permeability offset of shield layers for correcting bias of a free layer structure in a spin valve sensor  
The permeability of one of the first and second shield layers in a read head is greater than the permeability of the other of the first and second shield layers for providing a net image current...
6515837 Magnetoresistive head and magnetic storage apparatus  
There is provided a magnetoresistive head which is capable of suppressing the fluctuation of read output while ensuring a sufficient dielectric breakdown voltage of the shielding portions by...
6510030 Transducing head and method for forming a recessed shield for a transducing head  
A method for forming a transducing head first requires the deposition of a bottom shield, a bottom thick gap, a bottom thin gap, a sensor, a first flux guide, a top thin gap, a top thick gap, and a...
6504687 Thin-film magnetic head having abrasion-resistant face opposing recording medium  
A thin-film magnetic head is provided, in which, even if sags occur in a shield layer when an opposing face opposing a medium is polished, the sags are unlikely to reach an MR device or another...
6504686 Thin-film magnetic head including a non-magnetic layer for reducing noise in a reproducing head, and method of manufacturing same  
A reproducing head has a bottom shield layer, an MR element and a top shield layer (bottom pole layer). The recording head has: the bottom pole layer (top shield layer) and a top pole layer that...
6496335 Magnetic head shield structure having high magnetic stability  
The hard disk drive of the present invention includes a magnetic head wherein the magnetic shields of the read head portion of the magnetic head are magnetically stabilized. Each magnetic shield is...
6496334 Data storage and retrieval apparatus with thin film read head having planarized extra gap and shield layers and method of fabrication thereof  
In at least one embodiment, the apparatus of the invention is a read sensor comprising a shield, a sensor element, an extra shield between the shield and the sensor element, an extra gap between...
6483298 Test simulation of a read/write head  
A test simulation circuit includes a simulated read/write head with a magnet shield and a magnetoresistive sensor exposed at a lapped surface. The test simulation circuit also includes first and...
6473277 Read head with leads to shields shorts for permitting a thinner second read gap layer and improving read signal symmetry  
A read head has first and second leads that are shorted to first and second shields so that the first and second shields function as lead layer extensions for the first and second leads. This...
6466419 Current perpendicular to plane spin valve head  
A spin valve head according to the present invention includes a spin valve stack having a free layer, a first spacer layer, a pinned layer and a pinning layer. The spin valve stack is configured to...
6456467 Laminated shields with antiparallel magnetizations  
A thin film structure suitable for use as a shield for a read element of a transducing head has an first ferromagnetic layer, a second ferromagnetic layer and a first decoupling layer. The first...
6456466 Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head  
The present invention is to realize a magnetic recording and reproducing apparatus in which even if a spacing between shields of a magnetic head is narrowed, a deterioration in characteristic...
6456465 Vertical giant magnetoresistance sensor using a recessed shield  
A method and system for providing a magnetoresistive head that reads data from a recording media is disclosed. The method and system include providing a first shield, a second shield, a...
6452760 Magnetoresistive effect magnetic head and rotary magnetic head apparatus  
The width W 1 of the lower shield thin film 3 and the width W 2 of the upper shield thin film 7 are specified so that each of these widths is larger than the width W 3 of the MR element 5 ...
6452756 Thin-film magnetic head and method of manufacturing same and thin-film magnetic head material and method of manufacturing same  
An object of the invention is to improve the insulating property between an electrode connected to a magnetoresistive element and a shield layer. A thin-film magnetic head of the invention...
6445552 Shield design for stable magnetoresistive head  
A multilayer structure is disclosed having a magneto resistive free layer. The multilayer structure is between a pair of shields and the shields are separated by at least two spacings. A first of...
6437949 Single domain state laminated thin film structure  
A thin film structure suitable for use as a shield for a read element of a transducing head has a first ferromagnetic layer, a second ferromagnetic layer, a spacer layer and a bias layer. The...
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...
6430010 Disc drive reader with reduced off-track pickup  
A method and apparatus for reducing the amount of off-track pickup by a read/write head in a disc drive are disclosed. The read element of the head is placed in a separation zone formed between two...
6430009 Magnetic head shield pole with nonmagnetic separation film between transition portion and shield portion  
A compound thin film magnetic head in which the upper shield of the readout MR head also serves as the lower magnetic film of the write inductive head. The upper shield has a layered structure...
6414826 High sensitivity AP pinned head  
An apparatus is disclosed having a free layer and a spacer layer. The spacer layer is between a first magnetic layer and the free layer where the spacer layer and first magnetic layer are tailored...
6414824 Thin film magnetic head having a shield layer adjacent a gap layer and method of manufacturing the same  
Disclosed is a method of manufacturing a thin film magnetic head which realizes an accurate control of a pole width and a sufficient overwrite characteristic even when the pole width is narrowed. A...
Matches 101 - 150 out of 252 < 1 2 3 4 5 6 >