Abstract: A direct liquid fuel cell power generating device of the invention comprise an anode electrode, a cathode electrode, an electrolyte membrane held by the anode electrode and the cathode electrode, an anode Passage for passing a fuel, a cathode passage for passing an oxidizer, a fuel container connected to the feed port of the anode passage, and a cathode recovery container connected to the discharge port of the cathode passage for collecting the fuel supplied to an electromotive force section, an unreacted oxidizer, an a product of battery reaction, the device further comprising at least a mechanism for achieving gas-liquid contact by making contact between the substance discharged from the cathode discharge port and water existing in the cathode recovery container, and a mechanism for feeding the aqueous solution collected in the cathode recovery container into the fuel container.

Abstract: It is made possible to restrict the variation of the oscillation frequency of a spin torque oscillator placed in the vicinity of the recording magnetic pole. A magnetic head includes: a recording magnetic pole to generate a recording magnetic field; a spin torque oscillator formed in the vicinity of the recording magnetic pole; and a magnetic field applying unit configured to apply a magnetic field to the spin torque oscillator. The magnetic field applied to the spin torque oscillator by the magnetic field applying unit is perpendicular to a recording magnetic field generated from the recording magnetic pole.

Abstract: It is made possible to provide a magnetic head that generates a sufficient high-frequency magnetic field for assisting recording operations, and a magnetic recording device that includes the magnetic head. A magnetic head includes: a recording magnetic pole; a return yoke magnetically coupled to the recording magnetic pole; and at least two spin torque oscillators provided near the recording magnetic pole.

Abstract: It is made possible to provide a magnetic head that can stabilize the high-frequency magnetic field generated from the spin torque oscillator. A magnetic head includes: first and second main magnetic poles; and a spin torque oscillator provided between the first and second main magnetic poles.

Abstract: According to one embodiment, a disk drive having a spin torque oscillator and designed to perform high frequency assisted writing. The disk drive has a magnetic disk, a magnetic head, a coil, and a drive current controller. The drive current controller controls a drive current to supply to the spin torque oscillator. To record data magnetically in the disk, the drive current controller supplies to the spin torque oscillator the drive current that changes in synchronism with the polarity inversion of the recording current supplied to the coil, which excites the recording magnetic pole of the magnetic head.

Abstract: A magnetic recording head includes: a main magnetic pole; a laminated body; and a pair of electrodes operable to pass a current through the laminated body. The laminated body includes a first magnetic layer, a second magnetic layer, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. A lamination direction of the laminated body is substantially parallel to a medium moving direction. In a first direction parallel to an air bearing surface and perpendicular to the lamination direction, the laminated body has a protruding portion that protrudes beyond an end of a surface of the main magnetic pole facing the laminated body.

Abstract: According to one embodiment, a magnetic head having a head slider which holds a magnetic head unit including a heat-generating element for controlling the flying-height and a high-frequency oscillator for performing high-frequency assisted writing, and on which terminals connected to the magnetic head elements are used in the smallest number required. Terminals are mounted on the head slider and are connected to the magnetic head unit. The terminals include at least one current-supplying terminal that is connected to the heat-generating element serving to control the flying height and to the high-frequency oscillator.

Abstract: A magnetic recording head includes: a main magnetic pole; a laminated body; and a pair of electrodes. The laminated body includes a first magnetic layer having a coercivity lower than magnetic field applied by the main magnetic pole, a second magnetic layer having a coercivity lower than the magnetic field applied by the main magnetic pole, and an intermediate layer provided between the first magnetic layer and the second magnetic layer. The pair of electrodes are operable to pass a current through the laminated body.

Abstract: A magnetic recording head includes a recording magnetic pole, and a spin oscillation device including a first magnetic layer having at least one magnetic material layer, a second magnetic layer having at least one magnetic material layer, and a first nonmagnetic layer provided between the first magnetic layer and the second magnetic layer. The first magnetic layer and the second magnetic layer are antiferromagnetically coupled and/or magnetostatically coupled to each other. The first magnetic layer and the second magnetic layer are laminated in a direction generally parallel to a medium facing surface and generally parallel to a side surface of the recording magnetic pole intersecting with the medium facing surface.

Abstract: A magneto-resistance effect element includes a magneto-resistance effect film comprised of a free magnetization layer, a fixed magnetization layer and an intermediate layer disposed between the free magnetization layer and the fixed magnetization layer; a magnetic coupling layer which is disposed on one main surface of the fixed magnetization layer; a ferromagnetic layer which is disposed on one main surface of the magnetic coupling layer; an antiferromagnetic layer which is disposed on one main surface of the ferromagnetic layer; a magnetic domain controlling film for applying a biasing magnetic field to the free magnetization layer; and a pair of electrodes for flowing a current in the magneto-resistance effect film; wherein an asymmetry is set positive and an element resistance RA is set to 1.5 ??m2 or less in the direction from the free magnetization layer to the fixed magnetization layer.

Abstract: A current perpendicular to plane magneto-resistance effect element includes: a magneto-resistance effect film comprised of a fixed magnetization layer, a free magnetization layer, and a complex spacer layer including an insulating layer and current paths formed through the insulating layer; a biasing mechanism for stabilizing the free magnetization layer; a shielding mechanism for ensuring a reproducing resolution of the magneto-resistance effect element; and a pair of electrodes for flowing a current perpendicular to a film surface of the magneto-resistance effect element; wherein a resistance area product (RA:?×?m2) is set to 0.00062×?{square root over ((GAP))}×TW+0.06 when a track width of the magneto-resistance effect element is defined as TW (nm) and a gap length of the magneto-resistance effect element is defined as GAP (nm).

Abstract: A direct type fuel cell power generator comprises an anode electrode including an anode catalyst layer, a cathode electrode including a cathode catalyst layer, a fuel container comprising at least two electromotive portion units, each of which comprises an electrolyte film disposed between the anode electrode and the cathode electrode, the fuel container housing a fuel therein, and a fuel flow path to supply a fuel in the electromotive portion unit. In the power generator, the fuel flow path has a flow path which produces flow-back again from the fuel container to the first electromotive portion unit via the first electromotive portion unit and the second electromotive portion unit, and which is not branched during the flow-back.

Abstract: A direct type fuel cell power generator comprises an anode electrode including an anode catalyst layer, a cathode electrode including a cathode catalyst layer, a fuel container comprising at least two electromotive portion units, each of which comprises an electrolyte film disposed between the anode electrode and the cathode electrode, the fuel container housing a fuel therein, and a fuel flow path to supply a fuel in the electromotive portion unit. In the power generator, the fuel flow path has a flow path which produces flow-back again from the fuel container to the first electromotive portion unit via the first electromotive portion unit and the second electromotive portion unit, and which is not branched during the flow-back.

Abstract: A CPP type magneto-resistance effect element includes a magneto-resistance effect film with a fixed magnetization layer, a free magnetization layer and a non-magnetic intermediate layer; and a perpendicular biasing mechanism configured to apply a perpendicular biasing magnetic field to the free magnetization layer under the condition that the biasing magnetic field is parallel to a main surface of the magneto-resistance effect film and perpendicular to the magnetization of the fixed magnetization layer. Then, the magneto-resistance effect element satisfies the relation of 1.2?MRH/MRT when the width parallel to the perpendicular biasing magnetic field is defined as MRT and the width orthogonal to the perpendicular biasing magnetic field and parallel to a signal magnetic field.

Abstract: A magnetoresistive effect element includes: a magnetoresistive effect film including a magnetization free layer, a magnetization fixed layer, and an intermediate layer placed between them; a magnetic coupling layer; a ferromagnetic layer; an antiferromagnetic layer; a bias mechanism portion applying a bias magnetic field to the magnetization free layer in a direction nearly parallel to a film surface of the magentoresistive effect film and nearly perpendicular to a magnetization direction of the magnetization fixed layer; and a pair of electrodes to pass a current in a direction going from the magnetization fixed layer to the magnetization free layer, and its bias point is more than 50%.

Abstract: Disclosed is a fuel cell comprising a fuel cell body (stacked body) including a unit cell having an electromotive section in which an electrolyte membrane is sandwiched between a fuel electrode and an oxidant electrode, and a liquid fuel tank for storing a liquid fuel that is to be supplied to the fuel cell body and connected to the fuel cell body. The liquid fuel is introduced by the capillary action into the unit cell included in the fuel cell body and vaporized within the unit cell so as to be supplied to the fuel electrode, thereby generating an electric power. The liquid fuel tank is provided with a pressure adjusting mechanism for introducing a required amount of the liquid fuel from a liquid outlet port into the unit cell.

Abstract: The invention provides a method for inspecting a fuel cell that can simply inspect fuel cell characteristics. The method is an inspecting method for a direct methanol fuel cell generator comprising an anode electrode including an node catalyst layer, a cathode electrode including a cathode catalyst layer, and N pieces of cells having an electrolyte disposed between the anode electrode and the cathode electrode, for power generation by feeding an aqueous methanol solution to the anode electrode and an oxidant gas to the cathode electrode. The fuel cell generator is inspected by measuring voltage changes of the voltage V of one electromotive unit caused by generating a current density change ?I or ??I (mA/cm2) satisfying the condition of 0.2??I?5 in a finite current density I (mA/cm2) loaded on the plural electromotive units arbitrarily connected in series in the fuel cell generator under power generation during a time interval ?t (sec) satisfying the condition of 10?5??t?0.5.

Abstract: The invention provides a method for inspecting a fuel cell that can simply inspect fuel cell characteristics. The method is an inspecting method for a direct methanol fuel cell generator comprising an anode electrode including an node catalyst layer, a cathode electrode including a cathode catalyst layer, and N pieces of cells having an electrolyte disposed between the anode electrode and the cathode electrode, for power generation by feeding an aqueous methanol solution to the anode electrode and an oxidant gas to the cathode electrode. The fuel cell generator is inspected by measuring voltage changes of the voltage V of one electromotive unit caused by generating a current density change ?I or ??I (mA/cm2) satisfying the condition of 0.2??I?5 in a finite current density I (mA/cm2) loaded on the plural electromotive units arbitrarily connected in series in the fuel cell generator under power generation during a time interval ?t (sec) satisfying the condition of 10?5??t?0.5.

Abstract: A fuel cell power generating apparatus comprises an electromotive section, a container, a methanol aqueous solution recovery mechanism, and flow rate controller controlling the flow rate Jm (mL/min) which controls the flow rate Jm (mL/min) at which the methanol aqueous solution is supplied from the container, in accordance with an evaluated concentration of the methanol aqueous solution in the container, wherein the fuel cell power generating apparatus satisfies conditions (1) to (3) given below: 2?Cm0?5??(1) L?40??(2) N·0.65/L·S?Jm?N·5.2/L·S??(3).

Abstract: The present invention provides a separator for fuel cell, containing an inorganic filler and a thermosetting resin, and having glass transition temperature of 20° C. or less and 100° C. or more, coefficient of thermal expansion at 20° C. of 0.4×10?5/° C. or more and 4×10?5/° C. or less, and bending modulus of elasticity at 20° C. of 5 GPa or more and 30 GPa or less.