Matches 151 - 200 out of 229 < 1 2 3 4 5 >
Match Document Document Title
5880910 Magneto-resistive reading head with two slanted longitudinal bias films and two slanted leads  
On a lower magnetic shield film, a lower gap film is formed on which a conductive lead film and a magnet film is laminated. The magnet film forms a bias permanent magnet film for generating a...
5876843 Magnetoresistive element  
A surface structure of a magnetoresistive film includes a magnetosensitive portion surrounded by a peripheral portion including at least an electrode film and a magnetic film underlying the...
5875078 Magnetoresistance thin film magnetic head having reduced terminal count; and bias characteristics measuring method  
In a magnetoresistance thin film magnetic head, a bias conductor and a magnetoresistive magnetic sensing section are electrically connected to each other in series. Further, the bias conductor (7)...
5872691 Thin film magnetic head, magnetoresistance effect magnetic head and composite magnetic head  
A thin-film magnetic head, a magnetoresistance effect magnetic head and an MR inductive head are disclosed. The thin-film magnetic head has one of thin-film magnetic cores stacked on a substrate...
5850324 Magnetoresistive head having electrically isolated conductor leads  
A magnetic head 50 comprises a substrate 55 including a magnetoresistive sensor 60 having (i) a magnetoresistive element 65 with a top surface 105, and (ii) an electrically conducting portion 75....
5847904 Magnetoresistive device incorporating conductor geometry providing substantially uniform current flow for improved magnetic stability  
A magnetoresistive ("MR") device incorporating an improved conductor geometry to provide enhanced magnetic stability by providing essentially uniform current flow through the device active region...
5828532 Getter layer lead structure for eliminating resistance increase phenomena and embrittlement and method for making the same  
A thin film lead structure resistant to resistance increase phenomenon resulting from contamination by mobile impurities. A thin film lead is disposed proximate to a getter layer material having a...
5825593 Electric field modulated MR sensor  
An apparatus for sensing a change in a magnetic field is disclosed. The apparatus includes a giant magnetoresistive element positioned adjacent to the magnetic field. First, second, and third...
5822158 Giant magnetoresistance effect device with magnetically sensitive portion of a size large than playback track width  
A longitudinal type magnetoresistance effect device employed in a thin-film magnetic head enclosed within a high-density magnetic recording device or in a high-sensitivity magnetic sensor, in which...
5790352 Magnetoresistive head with asymmetric leads  
An MR head includes an MR film electrically connected to two lead layers that are asymmetric with respect to at least one of thickness and resistance. In a preferred embodiment of the present...
5771141 Magnetoresistive head and magnetic recording/reproducing apparatus  
A magnetoresistive head comprises a magnetoresistive layer having an axis of easy magnetization in the direction parallel to an air bearing surface, a first electrode formed on the magnetoresistive...
5768065 Thin film magnetic head  
A thin film magnetic head having a slider and a magnetic transducing element for reading, wherein the slider is provided with an air bearing surface; the magnetic transducing element for reading...
5764446 Magnetic head having an air bearing surface with short-resistant leads  
A magnetic head structure including a magnetoresistive (MR) head and an inductive head for data storage devices such as tape drives. A method of fabricating a magnetic head utilizing...
5742459 Magnetic head having encapsulated magnetoresistive transducer and multilayered lead structure  
A magnetic head assembly includes a read head having an active central region and two inactive side regions contiguously formed relative to the central region. The central region includes a...
5737155 Read sensitivity MR head using permanent magnet longitudinal stabilization  
An MR sensor having a nearly symmetric read sensitivity across the sensor by using permanent magnet boundary control. The sensor's MR element is patterned to eliminate portions of the MR element...
5731937 Giant magnetoresistive transducer with increased output signal  
A thin film magnetic transducer employs a giant magnetoresistive (GMR) sensing element operating in a (CPP) current-perpendicular-to-the-plane mode. Electrical lead members in electric contact with...
5699215 Non-magnetic magnetoresistive reading head using a Corbino structure  
A non-magnetic magnetoresistive head for reading a magnetic pattern stored as domains in tracks on a storage device uses as the sensor a wafer of a high electron mobility non-magnetic...
5682284 Read sensitivity function for barberpole bias design magnetoresistive sensor having curved current contacts  
An improved magnetoresistive head design including a front curved sense contact, a back curved sense contact and a lip extension forming an elliptical sensor region is disclosed. Current flows...
5680282 Getter layer lead structure for eliminating resistance increase phonomena and embrittlement and method for making the same  
A thin film lead structure resistant to resistance increase phenomenon resulting from contamination by mobile impurities. A thin film lead is disposed proximate to a getter layer material having a...
5653013 Two terminal single stripe orthogonal MR head  
A method of making a thin film orthogonal MR head is provided which includes a single MR stripe, a first lead layer which has first and second ends and a second lead layer which has first and...
5604651 Read head with 4-point magnetoresistive sensing  
A read head assembly senses data recorded on tracks of a moving magnetic media. The read head includes a magnetoresistive sensor element for sensing data, and a circuit connected to the sensor...
5563753 Contact scheme for minimizing inductive pickup in magnetoresistive read heads  
A disc drive recording head which senses magnetic flux from a storage medium includes an MR sensor positioned on a trailing surface of a disc drive slider. First and second electrical contacts...
5557492 Thin film magnetoresistive head with reduced lead-shield shorting  
A magnetoresistive head is provided which includes a magnetoresistive thin film sensing element. The sensing element has film surfaces which are bounded by top and bottom surfaces and side...
5557491 Two terminal single stripe orthogonal MR head having biasing conductor integral with the lead layers  
A thin film orthogonal MR head is provided which includes a single MR stripe, a first lead layer which has first and second ends and a second lead layer which has first and second ends, the first...
5555142 Magnetic disk system  
A magnetic disk system comprises a magnetic head for writing data on and reading data from a magnetic disk as a recording medium and a magnetic disk unit having a head positioning mechanism for...
5523898 Partial MR sensor bias current during write  
In a magnetoresistive read/inductive write magnetic transducer, magnetic stability of the magnetoresistive read sensor is improved by reducing the bias current to the magnetoresistive read sensor...
5491600 Multi-layer conductor leads in a magnetoresistive head  
A magnetoresistive sensor includes a magnetoresistive material, formed on a substrate, and having a first edge and a second edge. A first multilayered conductive lead structure is electrically...
5486968 Method and apparatus for simultaneous write head planarization and lead routing  
Disclosed is a planarizing layer for use in an MR read/inductive write head combination, and a method for constructing the same. In the preferred embodiment, a planarizing layer comprising a...
5483402 Magneto resistive head having symmetric off-track performance profile  
A magnetoresistive (MR) head using soft adjacent layer (SAL) transverse biasing and having electrical leads with the facing surfaces lying in planes canted with respect to the easy axis of...
5463517 Magnetoresistance head having a regularly-shaped gap  
The ends of lead conductor layers, which ends mark the boundaries of a signal detection area are made substantially perpendicular in the vicinity of a magnetoresistance element, and are sloped in...
5446613 Magnetic head assembly with MR sensor  
A thin film magnetic head incorporates an inductive write portion including two pole/shield layers and a read portion including a giant magnetoresistive (GMR) element. The pole/shield layers are...
5444589 Rotary actuator disk drive with identical dual-element read/write transducers  
A rotary actuator disk drive uses substantially identical dual-element inductive write/magnetoresistive read transducers for both the top and bottom disk surfaces. There is no requirement that the...
5442507 Magnetoresistive magnetic head  
A magnetoresistive magnetic head comprising a magnetoresistive film, a pair of hard magnetic material films disposed on the magnetoresistive film, and a pair of leads disposed on the...
5438470 Magnetoresistive structure with contiguous junction hard bias design with low lead resistance  
A magnetoresistive read transducer includes a magnetoresistive (MR) layer having end regions spaced by a central active regions. A pair of hard-magnetic layers provide the longitudinal magnetic...
5424890 Magnetoresistance effect type thin film head  
A magnetoresistance effect type thin film head (A) constructed in a manner that a magnetoresistance effect element, that is, an MR element (1) is disposed perpendicularly to a head surface a, and...
5420736 MR read transducer with thermal noise cancellation  
Three leads L1, L2, and L3 connected to an MR stripe of an MR read transducer are arranged in a circuit for eliminating: (1) thermal asperity noise, (2) damage from shorting from the transducer to...
5412518 Individual MR transducer head/disk/channel adaptive bias current system  
A method and apparatus is disclosed for adaptively controlling the biasing current applied to magnetoresistive (MR) read heads within a magnetic disk drive to provide optimized bias for each...
5351158 Magnetoresistance effect thin film head with interconnected electrode structure  
A magnetoresistance-effect thin film head including a substrate, a magnetic field sensing element provided on the substrate, an electrode layer having portions respectively extending from the...
5331492 Magnetic disk system having a magnetoresistive head provided therein  
A magnetic disk system comprises a magnetic head for writing data on and reading data from a magnetic disk as a recording medium and a magnetic disk unit having a head positioning mechanism for...
5327313 Magnetoresistance effect type head having a damage immune film structure  
A magnetoresistance effect type head including a ceramic substrate, a first magnetic film provided on the ceramic substrate, a second magnetic film provided above the first magnetic film, first and...
5309304 Magnetoresistive transducer conductor configuration  
In a magnetoresistive transducer, a conductor configuration in which magnetic fields in the conductors are oriented in the same direction to provide symmetric track profiles and improved track edge...
5301079 Current biased magnetoresistive spin valve sensor  
A magnetoresistive read sensor based on the spin valve effect in which a component of the read element resistance varies as the cosine of the angle between the magnetization directions in two...
5296987 Tapered conductors for magnetoresistive transducers  
A method for reducing Barkhausen noise in dual stripe magnetoresistive recording heads. The topography of the bottom conductor is controlled, specifically the conductor sidewall angle at the edge...
5270892 Conductor configuration for magnetoresistive transducers  
In a dual stripe magnetoresistive transducer a unique conductor configuration is provided that allows close spacing of the two magnetoresistive stripes while providing a nearly identical topography...
5268806 Magnetoresistive transducer having tantalum lead conductors  
A magnetoresistive (MR) sensor having electrically conductive lead structures which are in electrical contact with the MR element at spaced positions. The lead structures comprise a thin film layer...
5260652 Magnetoresistive sensor with electrical contacts having variable resistive regions for enhanced sensor sensitivity  
A magnetoresistive sensor having a magnetization vector M and a current density vector J which form an angle of approximately 45°. Magnetic flux, which enters an active region of the...
5247413 Magnetoresistance effect type thin film magnetic head with noise reducing electrode  
A magnetoresistance effect type thin film magnetic head comprising an MR element with electrodes provided at a fore end and a rear end thereof in the direction to confront a magnetic recording...
5216560 Stabilization of magnetoresistive sensors using the longitudinal field produced by the current in the contact leads  
A magnetoresistive sensor having a longitudinal field that is produced along its axis and that stabilizes the sensor. The longitudinal field is produced by the current in conductors that are...
RE34099 Magnetoresistive read transducer with insulator defined trackwidth  
A magnetoresistive (MR) read head in which an insulator layer defines the effective track width over which the read head is sensitive. The insulator layer is deposited or patterned to extend a...
5140484 Magnetoresistive head having electrodes with a predetermined length and positioned to form a predetermined angle with the head surface  
A magnetoresistive playback head for a small magnetic disk. Electrodes connected to an MR element each has a linear portion extending over a length which is more than ten times greater than the...
Matches 151 - 200 out of 229 < 1 2 3 4 5 >