摘要:
The present invention provides a method of mounting a light emitting element, in which a light emission point can be positioned at high accuracy with respect to the mounting member. A semiconductor laser element is placed on a matching stage. Next, a position and an azimuth of a laser stripe of the semiconductor laser element is observed, and linear displacement in X and Y directions of the semiconductor laser element from a reference line and a reference point on the matching stage, and angular displacement in an azimuth (θ) within an X-Y plane are measured. In accordance with a measured result, a control signal is sent to a driving mechanism of the feeding collet to drive the feeding collet, and the position of the semiconductor laser element is adjusted on the matching stage. After the adjustment, the semiconductor laser element is fed to and placed on a mounting surface of a heat sink H.
摘要:
The present invention provides an optical pickup device which realizes an optical system having an optical magnification suitable for each disc format between three optical discs and a light emitting means for emitting a laser beam having a wavelength corresponding to each disc in the optical system of the optical pickup for recording and/or reproducing an information signal to the optical discs and which prevents the number of components from being increased to simplify the composition of the optical system, thereby preventing the length of an optical path from being lengthened, the optical pickup from being increased in size. The optical pickup device has a first light emitting unit for emitting a laser beam having a first wavelength and a laser beam having a second wavelength, a second light emitting unit for emitting a laser beam having a third wavelength, a first collimator lens for transmitting the laser beam having the first wavelength and the laser beam having the second wavelength, a second collimator lens for transmitting the laser beam having the third wavelength, a first objective lens for transmitting the laser beam having the first wavelength transmitted through the first collimating lens or the laser beam having the third wavelength transmitted through the second collimator lens, and a second objective lens for transmitting the laser beam having the second wavelength transmitted through the first collimator lens.
摘要:
An AC generator comprises a rotor and a stator having a three-phase winding. A three-phase inverter is connected to the three-phase winding. Here, the three-phase winding comprises at least two independent three-phase windings. Switching elements for respective phases of the three-phase inverter are connected in parallel by the number of the independent three-phase windings, and in-phase windings are individually connected to their parallel switching elements.
摘要:
A robot hand member mounted on an arm unit of an industrial robot and a method of producing the same, wherein there are successively executed a step of laminating prepreg sheets each containing a reinforcing fiber on the outer peripheral surface of a core member having a predetermined shape in cross section, a step of heating the laminated prepreg sheets to a predetermined temperature to thermally set, to form a fiber reinforced plastic, and a step of removing the core member from the fiber reinforced plastic to obtain a hollow structure.
摘要:
Continuous photography can be realized even in the case where time necessary for image information reading becomes long at the time of photography of faint light by a photography system. A photography unit has two imaging devices for outputting image information by photography of a subject, and a photography control apparatus controls the imaging devices so that reading of the image information can be started from one of the imaging devices having finished photography of the subject while photography of the subject is started by the other imaging device at the same time.
摘要:
The present invention is an ink-jet recording medium having an ink-receiving layer including silica produced by a gas-phase process and a water-soluble resin on or over a support, wherein the density of silanol groups of the silica is from 1.0 to 2.3 SiOH groups/nm2.
摘要:
A work vehicle includes a traveling vehicle body and a hood provided at a front portion of the vehicle body for covering an engine room. The hood includes a front face having a plurality of first air vent holes and right and left side faces each having a plurality of second air vent holes. A radiator is mounted inside the hood, ambient air being drawn in through the first and second air vent holes toward the radiator. A vent hole area ratio of each side face of the hood determined by the second air vent holes is set smaller than a vent hole area ratio of the front face of the hood determined by the first air vent holes.
摘要:
Disclosed are an information processing apparatus and an identifying method therefor that are used on a network. With preferential use of the identifier of a network card, the degree of demountability of that is the lowest, there is produced an identifier of the information processing apparatus. As a result of this, it is possible to minimize the changing of the identifier of the information processing apparatus.
摘要:
The present invention relates to a method for producing an inorganic fine particle dispersion including adding inorganic fine particles and a dispersant to an aqueous medium under an addition condition in which a ratio (Dt/It) of an added amount Dt of the dispersant to an added amount It of the inorganic fine particles is made smaller than a ratio (D/I) of a final added amount D of the dispersant to a final added amount I of the inorganic fine particles, and to a method for producing an inorganic fine particle dispersion including adding inorganic fine particles to an aqueous medium containing at least water, a polymer dispersant and a metal salt, and then executing a dispersion process.
摘要:
A hot-rolled steel sheet for high-strength ERW pipes contains about 0.02% to about 0.06% C; about 0.05% to about 0.50% Si; about 0.5% to about 1.5% Mn; about 0.010% or less P; about 0.0010% or less S; about 0.01% to about 0.10% Al; about 0.01% to about 0.10% Nb; about 0.001% to about 0.025% Ti; about 0.001% to about 0.005% Ca; about 0.003% or less 0; and about 0.005% or less N, and at least one element selected from the group consisting of about 0.01% to about 0.10% V; about 0.01% to about 0.50% Cu; about 0.01% to about 0.50% Ni; and about 0.01% to about 0.50% Mo on the basis of mass. The group of C, Si, Mn, Cu, Ni, Mo, and V and the group of Ca, 0, and S satisfy specific relationships, and the microstructure of the steel sheet is composed of about 95% by volume or more bainitic ferrite.