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| Number | Title | Issue Date |
| 8184398 | Magnetic head that suppresses protrusion of medium facing surface caused by heat of coil A magnetic head includes a coil, a pole layer, and a coil adjacent layer. The coil includes a winding portion having two side surfaces. The coil adjacent layer is adjacent to at least part of the whole of the two side surfaces of the winding portion. The coil adjace... | 05/22/2012 |
| 8105705 | External field robustness of read/write head shields An improved magnetic shield for a perpendicular magnetic write head is disclosed. Its main feature is a pair of tabs at the shield's bottom corners. Said tabs are significantly wider at their point of attachment to the shield than further away from the shield. The e... | 01/31/2012 |
| 7381480 | Magnetic recording element and magnetic recording device using the same A magnetic recording element includes a fixed layer having first and second surfacesm, a recording layer having third and fourth surfaces and being essentially made of a ferromagnetic material having first and second atomic potentials for the majority-spin band elec... | 06/03/2008 |
| 7341765 | Metallic coatings on silicon substrates, and methods of forming metallic coatings on silicon substrates The invention includes methods of forming a metallic coating on a substrate which contains silicon. A metallic glass layer is formed over a silicon surface of the substrate. The invention includes methods of protecting a silicon substrate. The substrate is provided ... | 03/11/2008 |
| 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) to relieve the stress caused by the hard me... | 11/27/2007 |
| 7294418 | Magnetic film for magnetic head The magnetic film includes an FeCo layer, restrains erasing data by a magnetic field leaked from a magnetic pole, has high saturation magnetic flux density and soft magnetism and writes data with high recording density. The magnetic film for a magnetic head of the p... | 11/13/2007 |
| 7280320 | Thin-film magnetic head and manufacturing method thereof A lower shield layer is formed by being embedded in a first recess formed in an under layer. Accordingly, the distance between the lower shield layer and a slider can be reduced. Also, a second metal layer is formed from above a gap layer covering an electrode extra... | 10/09/2007 |
| 7265049 | Ultrathin chemically grown oxide film as a dopant diffusion barrier in semiconductor devices The invention is a chemically grown oxide layer which prevents dopant diffusion between semiconductor layers. The chemically grown oxide layer may be so thin that it does not form a barrier to electrical conduction, and thus may be formed within active devices such ... | 09/04/2007 |
| 7241515 | Electrode layer for thin-film magnetic heads An electrode layer for thin-film magnetic heads includes a Ta base sub-layer, an Au sub-layer functioning as a main conductive sub-layer, and a protective sub-layer, those sub-layers being disposed in that order. An Au electrode seed sub-layer containing any one of ... | 07/10/2007 |
| 7220499 | CPP giant magnetoresistive head having antiferromagnetic film disposed in rear of element A CPP giant magnetoresistive head includes lower and upper shield layers with a predetermined distance therebetween, and a giant magnetoresistive element (GMR) including pinned and free magnetic layers disposed between the upper and lower shield layers with a nonmag... | 05/22/2007 |
| 7211339 | Highly conductive lead adjoining MR stripe and extending beyond stripe height at junction Magnetoresistive (MR) sensors are disclosed that have leads with reduced resistance, improving the signal-to-noise ratio of the sensors. The leads have broad layers of highly conductive material for connection to MR structures, as opposed to thin wires of highly con... | 05/01/2007 |
| 7128986 | Nanoclustered magnetic materials for high moment write pole applications The present invention includes magnetic write elements with portions formed a nanophase high magnetic moment material to enable further increases in areal density in magnetic recording. The nanophase deposited high magnetic moment material comprises coated nanoclust... | 10/31/2006 |
| 7118814 | Apparatus and method for step-stabilization of GMR-based read sensors An apparatus and method for step-stabilization of giant magnetoresistive (GMR) based read heads are provided. With the apparatus and method, gratings or periodic structures are generated in the underlayer of the magnetoresistive (MR) sensor stack and the edges, or â... | 10/10/2006 |
| 7112375 | Seed layer structure for improved crystallographic orientation of a hard magnetic material A seed layer structure for improved crystallographic orientation of grains in a hard magnetic material is disclosed. The seed layer structure is comprised of alternating layers of a metal and a dielectric. Hard magnetic materials deposited on the seed layer structur... | 09/26/2006 |
| 7045224 | Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same The present invention provides a magnetic detecting element including a pinned magnetic layer and a first antiferromagnetic layer which constitutes an exchange coupling film and the structures of which are optimized for properly pinning magnetization of the pinned m... | 05/16/2006 |
| 7026063 | Spin-valve type magnetoresistance sensor and thin-film magnetic head A method and apparatus of a spin-type magnetoresistance sensor having a free and pinned magnetic layer stacked with a non-magnetic interposed layer are disclosed. Specifically, the spin-valve type magnetoresistance sensor of the present invention is equipped with a ... | 04/11/2006 |
| 7008704 | Magnetoresistance effect film and spin valve reproducing head The spin valve reproducing head has a narrow track width and high stability. The spin valve reproducing head comprises: a base layer; a magnetoresistance effect film having a magnetic sensing section; biasing sections formed on both sides of the magnetoresistance ef... | 03/07/2006 |
| 6667850 | Bilayer liftoff process for high moment laminate The magnetic tape recording head of the present invention is formed with magnetic poles that are comprised of a laminated NiFeN/FeN structure. The method for fabricating the magnetic poles utilizes an additive photolithographic technique including a bilay... | 12/23/2003 |
| 6663939 | Magnetic recording medium A magnetic recording medium for use in reproduction with an MR head, which comprises: a non-magnetic substrate; a non-magnetic layer including a binder resin having dispersed therein a non-magnetic powder on the non-magnetic substrate; and a magnetic laye... | 12/16/2003 |
| 6638596 | Thin film magnetic head using soft magnetic film having soft magnetic characteristics of high resistivity, low coercive force, and high saturation magnetic flux density A soft magnetic film of the invention is to improve a resistivity .rho. while maintaining a coercive force Hc and a saturation magnetic flux density Ms in good states by adding an element X (X is one or more kinds of elements selected from O, C, N, and S)... | 10/28/2003 |
| 5306573 | Magnetic device and process for production of magnetoresistive sensors according to this process The invention relates to a process for producing a plurality of magnetoresistive sensors on the same substrate. The invention particularly has as its object to facilitate a polishing phase of this process. The process of the invention comprises depositing... | 04/26/1994 |
| 5217819 | Method of manufacturing a thin-film magnetic head and magnetic head For a tape contact face to be formed in a thin-film magnetic head having at least one transducing element, by removing material, a reference plane (29) corresponding to the tape contact face is detected by means of a plurality of markers (27A-27J) juxtapo... | 06/08/1993 |
| 4695512 | Magnetic head for perpendicular magnetic recording A magnetic head for perpendicular magnetic recording includes a pair of substrates consituted by a non-magnetic material and having their opposing surfaces respectively formed with heat-resistant polymer films. A thin magnetic film is retained between the... | 09/22/1987 |
| 4677036 | Method of production of thin film magnetic head and magnetic head There provides a process for preparing a coil type thin film magnetic head having high density record by planarization differences in level caused by an electroconductive coil holded between upper and lower magnetic cores.... | 06/30/1987 |
| 4650712 | Magnetic head for digital signals A magnetic head especially suited for digital signals has cores each of which consists of a composite material. This material is produced by preparing an alloy such as cobalt-iron alloy, iron-silicon-boron alloy, or nickel-silicon-boron alloy, to use it a... | 03/17/1987 |
