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| Number | Title | Issue Date |
| 8147994 | Layered structure having FePt system magnetic layer and magnetoresistive effect element using the same A layered structure includes an amorphous Ta layer, a metallic oxide layer formed from zinc oxide (ZnO) or magnesium oxide (MgO) on the Ta layer, and a FePt magnetic layer formed on the metallic oxide layer. Therefore, an L10 structural FePt ordered alloy... | 04/03/2012 |
| 8105704 | Nonvolatile phase change magnetic material, manufacturing method thereof, and nonvolatile phase change magnetic memory using the same A memory is provided that is improved in cost, life, energy consumption and recording density over existing optical disks and hard disks and operates under novel principles, as well as its manufacturing method. A nonvolatile phase change magnetic memory comprises a ... | 01/31/2012 |
| 8076012 | Magnetic thin film and method for forming the film, and magnetic thin film-applied device Disclosed are a magnetic thin film capable of providing a high uniaxial magnetic anisotropy, Ku, while suppressing the saturation magnetization Ms thereof, and a method for forming the film; and also disclosed are various devices to which the magnetic thin film is a... | 12/13/2011 |
| 7914916 | Thermally stable high anisotropic high magnetic moment films High magnetic moment films FeCo(X, Y), where X is a transition metal element and Y is a rare earth element are formed using off-axis static deposition techniques. The films have tunable magnetic anisotropy from 0 Oe to greater than 500 Oe that are thermally stable b... | 03/29/2011 |
| 7679860 | Thin film magnetic head with layer having high saturation magnetic flux density, and magnetic storage apparatus Embodiments of the invention provide a magnetic film capable of providing a higher saturation magnetic flux density as compared with the conventional one, a process of forming the magnetic film, a thin film magnetic head that makes use of the magnetic film, and a ma... | 03/16/2010 |
| 7564648 | Magnetic film for magnetic device The magnetic film of a magnetic device can be practically used and can have saturation magnetization greater than 2.45 T. The magnetic film is an alloy film consisting of iron, cobalt and palladium. Molar content of palladium is 1-7%, and the alloy film is formed by... | 07/21/2009 |
| 7515380 | Magnetic head and method for production therefor At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 2... | 04/07/2009 |
| 7485378 | Magnetic thin film head A magnetic film capable of generating strong magnetic fields even in a high frequency region, a manufacturing method therefore and a thin film magnetic head capable of recording even in a high frequency region are provided. In one embodiment, the magnetic film is ma... | 02/03/2009 |
| 7459221 | Magnetic film composed of a first alloy film including iron and platinum or iron and palladium In the magnetic film, projection of a magnetic pole, which is caused when a magnetic head is heated, can be restrained. The magnetic film can be applied to a magnetic head of a hard disk drive unit capable of recording data with high recording density. The magnetic ... | 12/02/2008 |
| 7372117 | Magneto-resistance transistor and method thereof A magneto-resistance transistor including a magneto-resistant element which may function as an emitter and a passive element which may function as a collector. The base may be interposed between the passive element and the magneto-resistant element, thereby coupling... | 05/13/2008 |
| 7357995 | Magnetic tunnel barriers and associated magnetic tunnel junctions with high tunneling magnetoresistance Magnetic tunneling devices are formed from a first body centered cubic (bcc) magnetic layer and a second bcc magnetic layer. At least one spacer layer of bcc material between these magnetic layers exchange couples the first and second bcc magnetic layers. A tunnel b... | 04/15/2008 |
| 7351483 | Magnetic tunnel junctions using amorphous materials as reference and free layers Magnetic tunnel junctions are constructed from a MgO or Mg—ZnO tunnel barrier and amorphous magnetic layers in proximity with, and on respective sides of, the tunnel barrier. The amorphous magnetic layer preferably includes Co and at least one additional element s... | 04/01/2008 |
| 7336453 | Magnetic sensing element including pinned layer and/or free layer composed of [110] crystal planes-oriented Heusler alloy A magnetic sensing element using a thin film composed of an adequately crystallized Heusler alloy is provided. At least one of free magnetic layer and pinned magnetic layer includes a Heusler alloy layer. The Heusler alloy layer has a body-centered cubic (bcc) struc... | 02/26/2008 |
| 7333295 | Magnetic recording head with high saturation magnetic flux density CoNiFe thin film composition A method and system for plating CoNiFe is disclosed. The method and system include providing a plating solution including hydroxymethyl-p-tolylsulfone and plating the CoNiFe film on a substrate in the plating solution. The plating solution is configured to provide a... | 02/19/2008 |
| 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 effectively as an AFM for thicknesses in the 40-80 Angstrom range, enabli... | 02/19/2008 |
| 7327540 | Hard biased materials for recording head applications A hard bias layer that forms an abutting junction with a free layer in a GMR element and is comprised of FePtCu or FePtCuX where X is B, C, O, Si, or N is disclosed. The FePtCu layer has a composition of about 45 atomic % Fe, 45 atomic % Pt, and 10 atomic % Cu and d... | 02/05/2008 |
| 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. The spin valve sensor comprises forming a ferromagnetic bias layer ant... | 01/01/2008 |
| 7312951 | Magnetic head for perpendicular magnetic recording The invention provides a magnetic head for perpendicular magnetic recording having an air bearing surface positioned facing the recording surface of a recording medium, which records magnetic information on the recording medium by generating magnetic flux toward the... | 12/25/2007 |
| 7300711 | Magnetic tunnel junctions with high tunneling magnetoresistance using non-bcc magnetic materials Magnetic material, which is not normally bcc-structured under ambient conditions, is induced into becoming bcc as a result of its proximity to a suitable templating material, such as a bcc-structured underlayer that is in contact with the magnetic material. The magn... | 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 |
| 7292415 | Ferromagnetic layered material having reliable uniaxial anisotropy A magnetoresistive film includes a pinned ferromagnetic layer, a free ferromagnetic layer, an intermediate layer interposed between the pinned and free ferromagnetic layers, and a pinning layer contacting the pinned ferromagnetic layer. The free ferromagnetic layer ... | 11/06/2007 |
| 7288333 | Magnetic film and thin film magnetic head using this magnetic film A soft magnetic film of the present invention is a plated film composed of Co and Fe, and columnar crystals extending in the film thickness direction are provided. In the present invention, columnar crystals extending in the film thickness direction are provided so ... | 10/30/2007 |
| 7286294 | Beam-shaping element for optical radiation and a method for producing said element A beam-shaping element comprises a carrier substrate (1) bearing a thin-layer metallization which is structured for shaping the beam of optical radiation. The thin-layer metallization includes at least two metallic layers (2, 3), which, upon impingemen... | 10/23/2007 |
| 7270896 | High performance magnetic tunnel barriers with amorphous materials A magnetic tunneling element is constructed from a MgO or Mg—ZnO tunnel barrier and an amorphous magnetic layer in proximity with the tunnel baffler. The amorphous magnetic layer includes Co and at least one additional element selected to make the layer amorphous.... | 09/18/2007 |
| 7267757 | Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 2... | 09/11/2007 |
| 7248448 | Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system Disclosed are a high-sensitivity and high-reliability magnetoresistance effect device (MR device) in which bias point designing is easy, and also a magnetic head, a magnetic head assembly and a magnetic recording/reproducing system incorporating the MR device. In th... | 07/24/2007 |
| 7248447 | High Hc pinned self-pinned sensor A self pinned magnetoresistive sensor having an anitparallel coupled pinned layer structure including a high coercivity (high Hc) layer of TbCo. ... | 07/24/2007 |
| 7234228 | Method of fabricating novel seed layers for fabricating spin valve heads A method for forming a bottom spin valve sensor element with a novel seed layer and synthetic antiferromagnetic pinned layer. The novel seed layer comprises an approximately 30 angstrom thick layer of NiCr whose atomic percent of Cr is 31%. On this seed layer there ... | 06/26/2007 |
| 7235851 | Spin transistor and method thereof A spin transistor uses a single potential barrier structure to increase a current fluctuation rate. The spin transistor may include at least one of an emitter, a collector, a base and a base resistor. The emitter may be a magneto-resistant device, which may provide ... | 06/26/2007 |
| 7233458 | High magnetic moment Co-Fe-O-N films with soft magnetic properties A write element includes a first pole pedestal and a second pole pedestal opposing the first pole pedestal and defining a write gap between the first and second pole pedestals. A first layer of CoFeON is film positioned between the first pole pedestal and the write ... | 06/19/2007 |
| 7233142 | Planer reader of non-erasable magnetic media and local permeability A planer reader and method of probing the magnetic permeability of a material using a magnetic flux circuit comprises a substrate; a near-circular soft magnetic layer adjacent to the substrate; a gap configured in the soft magnetic layer, wherein the gap creates an ... | 06/19/2007 |
| 7229706 | Magnetic detecting element having pinned magnetic layers disposed on both sides of free magnetic layer The present invention provides a magnetic detecting element capable of increasing a difference between the ease of a conduction electron flow in a low-resistance state and the ease of a conduction electron flow in a high-resistance state to increase a resistance cha... | 06/12/2007 |
| 7223485 | Magnetoresistive device, magnetoresistive head and magnetic recording-reproducing apparatus A magnetoresistive device includes a magnetization pinned layer, a magnetization free layer, a nonmagnetic intermediate layer formed between the magnetization pinned layer and the magnetization free layer, and electrodes allowing a sense current to flow in a directi... | 05/29/2007 |
| 7193284 | Magnetoresistance effect element, method of manufacture thereof, magnetic storage and method of manufacture thereof The present invention is aimed at enabling a spin-transfer magnetization switching in the random access magnetic memory by reducing a switching current density in the spin-transfer magnetization switching to an order smaller than 10 MA/cm2 and without cau... | 03/20/2007 |
| 7192662 | Ultra high saturation moment soft magnetic thin film A plated magnetic thin film of high saturation magnetization and low coercivity having the general form Co100-a-bFeaMb, where M can be Mo, Cr, W, Ni or Rh, which is suitable for use in magnetic recording heads that write on narrow tr... | 03/20/2007 |
| 7181829 | Method of manufacturing a perpendicular magnetic recording head A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed under the main magnetic pole layer independently of the main magnetic pole. The main magnetic pole layer has ... | 02/27/2007 |
| 7179360 | Soft magnetic film having improved saturated magnetic flux density, magnetic head using the same, and manufacturing method therefore A lower magnetic pole layer and/or an upper magnetic pole layer are formed of a CoFeα alloy in which the component ratio X of Co is 8 to 48 mass %, the component ratio Y of Fe is 50 to 90 mass %, the component ratio Z of the element α (the element α is at least o... | 02/20/2007 |
| 7158346 | Heat assisted magnetic recording film including superparamagnetic nanoparticles dispersed in an antiferromagnetic or ferrimagnetic matrix Heat assisted magnetic recording systems with composite recording films are disclosed. The magnetic recording films include superparamagnetic nanoparticles dispersed in an antiferromagnetic or ferrimagnetic matrix. The matrix provides antiferromagnetic coupling with... | 01/02/2007 |
| 7158004 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 01/02/2007 |
| 7157160 | Magnetic thin film and method of manufacturing the same The magnetic thin film has high saturation magnetic flux density and superior soft magnetic characteristics. The magnetic thin film of the present invention comprises: a base layer being made of FeCo/NiFe; and a plated layer being formed on the base layer, the plate... | 01/02/2007 |
