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| Number | Title | Issue Date |
| 7648774 | Ferrite thin film, method of manufacturing the same and electromagnetic noise suppressor using the same An electromagnetic noise suppressor including a ferrite film is formed by regularly arranging constituents such as magnetized grains or one analogous to that. In the ferrite film, the constituents have at least one of the uniaxial anisotropy and the multiaxial aniso... | 01/19/2010 |
| 7462403 | R-T-B system permanent magnet An R-T-B system permanent magnet 1 comprises a magnet body 2 comprising a sintered body comprising at least a main phase comprising R2T14B grains (wherein R represents one or more rare earth elements, and T represents one or more ... | 12/09/2008 |
| 7445852 | Magnetic substrate, laminate of magnetic substrate and method for producing thereof A heat treatment was carried out in a pressurized condition on an amorphous metal ribbon containing Fe and Co as main components and being represented by the general formula: (Co(1−c)Fec)100−a−bXaYb. (In t... | 11/04/2008 |
| 7432815 | Marker for a magnetic theft protection system and method for its production Disclosed are a marker for a magnetic theft protection system, comprising: (a) at least one oblong alarm strip comprising an amorphous ferromagnetic alloy; and (b) at least one oblong activation strip comprising an alloy consisting essentia... | 10/07/2008 |
| 7422697 | Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material A composite sintered magnetic material comprises a kind of metal powder at least one selected from the group consisting of Fe, Fe—Si type, Fe—Ni type, Fe—Ni—Mo type, and Fe—Si—Al type, and a ferrite layer formed from a kind of ferrite powder at least one... | 09/09/2008 |
| 7372090 | Magnetic random access memory device and method of forming the same Example embodiments of the present invention disclose a semiconductor memory device and a method of forming a memory device. A semiconductor memory device may include a digit line disposed on a substrate, an intermediate insulating layer covering the digit line, a m... | 05/13/2008 |
| 7368187 | Thermally stable low noise magnetic recording media A magnetic recording medium which is thermally stable and produces low media noise. By providing a plurality of intermediate layers made of a CoCr alloy of which saturation magnetic flux densities are controlled within a predetermined range, the magnetic recording m... | 05/06/2008 |
| 7363699 | Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers A magnetoresistive sensor having a hard bias layer with an engineered magnetic anisotropy in a direction substantially parallel with the medium facing surface. The hard bias layer may be constructed of CoPt, CoPtCr or some other magnetic material and is deposited ov... | 04/29/2008 |
| 7360299 | Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic in-stack bias layer A magnetoresistive sensor having an in stack bias layer with an engineered magnetic anisotropy in a direction parallel with the medium facing surface. The in-stack bias layer may be constructed of CoPt, CoPtCr or some other magnetic material and is deposited over an... | 04/22/2008 |
| 7360300 | Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer A magnetoresistive sensor having a hard magnetic pinning layer with an engineered magnetic anisotropy in a direction substantially perpendicular to the medium facing surface. The hard magnetic pinning layer may be constructed of CoPt, CoPtCr, or some other magnetic ... | 04/22/2008 |
| 7354664 | Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers A magnetic disk has a soft magnetic underlayer comprising a first layer containing NiFe having a concentration of iron that is at least thirty percent and not more than seventy percent; a second layer that adjoins the first layer and contains FeCoN having a concentr... | 04/08/2008 |
| 7354033 | Tape-spring deployable hinge A tape-spring shaped, articulating member used in deployable structures having a resilient, compliant hinge region and rigid non-hinge regions, thereby enabling a smaller fold radius and greater packaging efficiency. The increased compliance in the hinge region may ... | 04/08/2008 |
| 7352541 | CPP GMR using Fe based synthetic free layer A current perpendicular to plane (CPP) giant magnetoresistive (GMR) sensor having an antiparallel coupled free layer including a first magnetic layer of Fe and a second magnetic layer of FeXN, where X can be Al or Ta. The first and second magnetic layers of the free... | 04/01/2008 |
| 7339302 | Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings The present invention provides several improvements in a slip ring (36) that is adapted to provide electrical contact between a rotor (42) and stator (40). In one aspect, a brush tube (39) is crimped around the upper marginal end portions... | 03/04/2008 |
| 7339877 | Optical head device and information processing apparatus In an optical head device, a light emission source for emitting a plurality of laser beams with different wavelengths and an optical system including an objective lens and a collimator are provided. With respect to the optical system to be used in common for a plura... | 03/04/2008 |
| 7339762 | Magnetic recording and reading device A magnetic recording and reading device includes a magnetic recording medium having a substrate and at least one magnetic recording layer formed above the substrate, a magnetic head enabling a data transfer rate of more than 50 MB/s and a recording density of more t... | 03/04/2008 |
| 7339818 | Spintronic devices with integrated transistors The semiconductor industry seeks to replace traditional volatile memory devices with improved non-volatile memory devices. The increased demand for a significantly advanced, efficient, and non-volatile data retention technique has driven the development of integrate... | 03/04/2008 |
| 7336452 | Patterned exchange bias GMR using metallic buffer layer In magnetic read heads based on bottom spin valves the preferred structure is for the longitudinal bias layer to be in direct contact with the free layer. Such a structure is very difficult to manufacture. The present invention overcomes this problem by introducing ... | 02/26/2008 |
| 7335968 | High permeability composite films to reduce noise in high speed interconnects A transmission line circuit provides a structure for improved transmission line operation on integrated circuits. The transmission line circuit includes a first layer of electrically conductive material on a substrate. A first layer of insulating material is formed ... | 02/26/2008 |
| 7332194 | Perpendicular magnetic recording medium and method of manufacturing thereof A perpendicular magnetic recording medium is disclosed that is characterized by a lowered noise component and improved thermal stability. The method for making the recording medium includes the serial steps of forming a soft magnetic back-lining layer on a non-magne... | 02/19/2008 |
| 7333360 | Apparatus for pulse testing a MRAM device and method therefore Methods and apparatus are provided for testing a magnetoresistive random access memory (MRAM). A magnetoresistive tunnel junction (MTJ) has a first terminal, a second terminal, and a third terminal. A source measuring unit is coupled to a first terminal of a MTJ to ... | 02/19/2008 |
| 7330340 | Magnetoresistive sensor with free layer bias adjustment capability A magnetoresistive sensor having a free layer biased by an in stack bias layer that has a magnetic moment canted with respect to the ABS, such that the magnetic moment of the biasing layer has a longitudinal component in a direction parallel with the ABS and a compo... | 02/12/2008 |
| 7327016 | High permeability composite films to reduce noise in high speed interconnects An electronic system is provided with a structure for improved transmission line operation on integrated circuits. The structure for transmission line operation includes a first layer of electrically conductive material on a substrate. A first layer of insulating ma... | 02/05/2008 |
| 7323249 | Methods of obtaining photoactive coatings and/or anatase crystalline phase of titanium oxides and articles made thereby A method of making a photoactive coating includes depositing a first coating material containing zirconium oxide over at least a portion of a substrate and depositing a second coating material containing titanium oxide over at least a portion of the first coating ma... | 01/29/2008 |
| 7318962 | Magnetically directed self-assembly of molecular electronic junctions comprising conductively coated ferromagnetic microparticles A device having a substrate, a pair of ferromagnetic leads on a surface of the substrate, laterally separated by a gap, and one or more ferromagnetic microparticles comprising a conductive coating at least partially within the gap. The conductive coating forms at le... | 01/15/2008 |
| 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 |
| 7299535 | Methods for making data storage media and the resultant media Methods for forming data storage media and the media formed thereby are disclosed herein. In one embodiment, the method for forming a data storage media, comprises: injection molding a substrate comprising surface features, wherein said surface features have greater... | 11/27/2007 |
| 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 |
| 7292440 | Heat dissipating sheet and plasma display device including the same A plasma display device entirely distributes the temperature of a heat generator, and improves the detachability of a heat dissipating sheet and coherence with the heat generator. The plasma display device includes a plasma display panel for displaying an image, a c... | 11/06/2007 |
| 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 |
| 7289303 | Spin valve sensors having synthetic antiferromagnet for longitudinal bias Magnetoresistive (MR) sensors are disclosed having mechanisms for reducing edge effects such as Barkhausen noise. The sensors include a pinned layer and a free layer with an exchange coupling layer adjoining the free layer, and a ferromagnetic layer having a fixed m... | 10/30/2007 |
| 7285336 | Robust multilayer magnetic pigments and foils Multilayered magnetic pigment flakes and foils are provided. The pigment flakes can have a stacked layer structure on opposing sides of a magnetic core, or can be formed as an encapsulant structure with encapsulating layers around the magnetic core. The magnetic cor... | 10/23/2007 |
| 7286868 | Medical device with position sensor having accuracy at high temperatures A medical device and position sensor combination for use in medical applications comprises a position sensor having a core made of a high permeable material The core material is made of a Wiegand effect material comprising a mixture of cobalt, vanadium, and iron. Th... | 10/23/2007 |
| 7286324 | Cobalt-platinum or iron-plantinum magnetic material containing 1% to 40% Cu, Ni or B A CoPt- or FePt-alloy magnetic material in which a temperature to transform into an L10-ordered alloy is reduced and magnetic anisotropy energy is controlled, and a method for manufacturing the magnetic material are provided. In a CoPt- or FePt-alloy magn... | 10/23/2007 |
| 7283335 | Magnetic detecting element In a magnetic detecting element, ferromagnetic layers are formed on both side portions of a free magnetic layer through nonmagnetic intermediate layers, and second antiferromagnetic layers are formed on the ferromagnetic layers with a spacing greater than the spacin... | 10/16/2007 |
| 7282278 | Tilted recording media with L10 magnetic layer A magnetic recording medium having a magnetic layer with an L10 structure and an easy magnetization axis lying about 35° out-of-plane of the magnetic layer is disclosed. This medium has very high coercivity (Hc) and anisotropy field (Hk), giving rise to ... | 10/16/2007 |
| 7279240 | Laminated perpendicular magnetic recording media with uncorrelated grains A laminated perpendicular magnetic recording medium comprises a non-magnetic substrate and at least a pair of polycrystalline, vertically stacked, spaced-apart perpendicular magnetic layers supported thereon, wherein each of the magnetic layers has substantially the... | 10/09/2007 |
| 7275304 | Method of forming a hard bias structure in a magnetic head A hard bias (HB) structure for biasing a free layer in a MR sensor within a magnetic read head is comprised of a main biasing layer with a large negative magnetostriction (λS) value. Compressive stress in the device after lapping induces a strong in-plan... | 10/02/2007 |
| 7273666 | Magnetic recording medium and magnetic recording medium driving apparatus A magnetic recording medium and a magnetic recording medium driving apparatus are disclosed. By providing a plurality of intermediate layers made of a CoCr alloy of which saturation magnetic flux densities are controlled within a predetermined range, the magnetic re... | 09/25/2007 |
