Abstract: A semiconductor laser device includes a semiconductor laser chip that emits laser light, a plate-like base, and a block protruding from the base and supporting the semiconductor laser chip. The block has a supporting surface and a wire bonding surface. The supporting surface faces a first side in a first direction perpendicular to the laser light emitting direction, and supports the semiconductor laser chip. The wire bonding surface is a surface to which a wire connected to the semiconductor laser chip is connected. The wire bonding surface is shifted in a second direction perpendicular to the emitting direction and the first direction with respect to the supporting surface. The wire bonding surface is inclined relative to the supporting surface, such that the wire bonding surface is more offset to a second side in the first direction with increasing distance from the supporting surface in the second direction.

Abstract: The problem to be solved by the present invention is to provide an effect pigment dispersion that exhibits excellent water resistance, that can form metallic or pearly luster, and that further exhibits high stability; and to provide a method for forming a multilayer coating film. The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and a phosphate-group-containing cellulose-based rheology control agent (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa·sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.

Abstract: A method for forming a multilayer coating film, the method including the following steps (1) to (3): (1) applying a colored paint (X) to a substrate to form a colored coating film whose lightness L* value in the L*a*b* color space is 5 or less, (2) applying an effect pigment dispersion (Y) to the colored coating film formed in step (1) to form an effect coating film, and (3) applying a clear paint (Z) to the effect coating film formed in step (2) to form a clear coating film, wherein the effect pigment dispersion (Y) contains water, a rheology control agent (A), and a flake-effect pigment (B), the flake-effect pigment (B) being an effect pigment in which a transparent or translucent base material is coated with a metal oxide, and the effect pigment dispersion (Y) having a solids content of 0.

Abstract: A method for forming a multilayer coating film, comprising: (1) applying a yellow pigment-containing paint (X) to a substrate to form at least one layer of a yellow coating film; (2) applying an effect pigment dispersion (Y) to the yellow coating film to form an effect coating film; (3) applying a clear paint (Z) to the effect coating film to form a clear coating film; and (4) heating the yellow coating film, the effect coating film, and the clear coating film to separately or simultaneously cure the coating films, wherein the multilayer coating film has an h value of 60 to 120°, the multilayer coating film has a Y5 value of 200 or more, and the multilayer coating film has a CS value of 90 or more, wherein the CS value is expressed by a specific equation.

Abstract: A semiconductor phosphor configured to exhibit photoluminescence upon irradiation with excitation light, including: at least one active layer made of a compound semiconductor and containing an n-type or p-type dopant; and at least two barrier layers made of a compound semiconductor and having a larger band gap than the active layer. The active layer and the barrier layers are alternately stacked. This provides a semiconductor phosphor which allows easy wavelength adjustment, high efficiency and stability.

Abstract: A drive device to drive a semiconductor element includes: an identification signal generating circuit generating an identification signal depending on a type of an input error signal; a protection operation signal generating circuit generating a protection operation signal having a pulse width equal to that of one of the error signal and the identification signal having a longer pulse width; an identification signal terminal inputting and outputting the identification signal; a protection operation signal terminal inputting and outputting the protection operation signal; and a protection circuit performing an error protection operation depending on an own-phase protection operation signal generated by the protection operation signal generating circuit and an other-phase protection operation signal input through the protection operation signal terminal.

Abstract: An oily water separator for removing oil from oil-containing water, including a vessel, a filtration membrane unit and a discharge mechanism, the filtration membrane unit containing a filtration membrane module and a returning mechanism, the filtration membrane module for performing filtration in the state of allowing the module to be immersed into the oil-containing water, the filtration membrane module having an elongated filtration membrane with an opening portion, the opening portion of the filtration membrane being fixed to one end of the filtration membrane module, the opening portion of the filtration membrane being communicatively connected to the returning mechanism, and the returning mechanism being extended along the filtration membrane toward an end on a side opposite to an end portion having the opening portion thereof, the returning mechanism being communicatively connected with the discharge mechanism.

Abstract: A manufacturing method of laser diode unit of the present invention includes steps: placing a laser diode on top of a solder member formed on a mounting surface of a submount, applying a pressing load to the laser diode and pressing the laser diode against the solder member, next, melting the solder member by heating the solder member at a temperature higher than a melting point of the solder member while the pressing load is being applied, and thereafter, bonding the laser diode to the submount by cooling and solidifying the solder member, thereafter, removing the pressing load, and softening the solidified solder member by heating the solder member at a temperature lower than the melting point of the solder member after the pressing load has been removed, and thereafter cooling and re-solidifying the solder member.

Abstract: The present invention provides a method for the isolation of nucleic acid from microbial cells in an environmental sample. The method includes preparing a suspension of the environmental sample, lysing the suspended sample with a buffered solution, adding sodium dodecylsulfate solution to the lysed suspended sample, carrying out solvent extraction and separation to obtain an aqueous phase, reacting the aqueous phase with solvents to generate an insoluble precipitate containing nucleic acid, and isolating the nucleic acid therefrom, thereby releasing high molecular weight nucleic acid pellets from the cells.

Abstract: A wiring board includes electronic components, a multilayer core substrate including insulating layers and conductive layers such that the insulating layers include a central insulating layer in the center position of the core in the thickness direction, a first build-up layer including an insulating layer and a conductive layer such that the insulating layer has resin composition different from that of the insulating layers in the core, and a second build-up layer including an insulating layer and a conductive layer such that the insulating layer has resin composition different from that of the insulating layers in the core. The core has cavities accommodating the electronic components, respectively, and including a first cavity and a second cavity such that the first and second cavities have different lengths in the thickness direction and are penetrating through the central layer at centers of the first and second cavities in the thickness direction.

Abstract: A drive device to drive a semiconductor element includes: an identification signal generating circuit generating an identification signal depending on a type of an input error signal; a protection operation signal generating circuit generating a protection operation signal having a pulse width equal to that of one of the error signal and the identification signal having a longer pulse width; an identification signal terminal inputting and outputting the identification signal; a protection operation signal terminal inputting and outputting the protection operation signal; and a protection circuit performing an error protection operation depending on an own-phase protection operation signal generated by the protection operation signal generating circuit and an other-phase protection operation signal input through the protection operation signal terminal.

Abstract: A drive circuit of the present invention, which drives a switching device in response to a control signal, includes: a current mirror circuit including an output transistor connected to a control electrode of the switching device and a reference transistor that is connected to the output transistor in a current mirror manner and supplies a mirror current to the output transistor; and a potential change circuit that is connected to the reference transistor and changes a control potential of the output transistor from a potential during mirror operation of the current mirror circuit.

Abstract: The present invention provides a method for the isolation of nucleic acid from microbial cells in an environmental sample. The method includes preparing a suspension of the environmental sample, lysing the suspended sample with a buffered solution, adding sodium dodecylsulfate solution to the lysed suspended sample, carrying out solvent extraction and separation to obtain an aqueous phase, reacting the aqueous phase with solvents to generate an insoluble precipitate containing nucleic acid, and isolating the nucleic acid therefrom, thereby releasing high molecular weight nucleic acid pellets from the cells.

Abstract: A wiring board includes electronic components, a multilayer core substrate including insulating layers and conductive layers such that the insulating layers include a central insulating layer in the center position of the core in the thickness direction, a first build-up layer including an insulating layer and a conductive layer such that the insulating layer has resin composition different from that of the insulating layers in the core, and a second build-up layer including an insulating layer and a conductive layer such that the insulating layer has resin composition different from that of the insulating layers in the core. The core has cavities accommodating the electronic components, respectively, and including a first cavity and a second cavity such that the first and second cavities have different lengths in the thickness direction and are penetrating through the central layer at centers of the first and second cavities in the thickness direction.

Abstract: A semiconductor driving device includes a negative surge detection circuit and a level shifter circuit. The negative surge detection circuit detects whether the negative surge occurs at a connection point between a P-side SW element and N-side SW element. The level shifter circuit maintains a driving voltage used in driving the P-side SW element upon the negative surge detection circuit detecting occurrence of the negative surge.

Abstract: A printed wiring board includes a resin insulation layer having a first surface and a second surface on an opposite side of the first surface, the resin insulation layer having an opening for a via conductor, a pad formed on the first surface of the resin insulation layer and provided to mount an electronic component, a conductive circuit formed on the second surface of the resin insulation layer, and a via conductor formed in the opening and connecting the pad and the conductive circuit. The pad has an embedded portion embedded in the resin insulation layer and a protruding portion protruding from the resin insulation layer, and the embedded portion has an external shape which is greater than an external shape the protruding portion.

Abstract: The object of the invention is to provide a method of extracting useful ingredients: ceramide and/or pectin from whole apples and/or apple juice residues. In this context, the invention also provides a method of regenerating and recycling spent ethanol. These objects are achievable by a method of extracting useful ingredients: ceramide and pectin from whole apples and/or apple juice residues and a method of recovering and regenerating, or recycling the ethanol used for extraction.

Abstract: A drive circuit of the present invention, which drives a switching device in response to a control signal, includes: a current mirror circuit including an output transistor connected to a control electrode of the switching device and a reference transistor that is connected to the output transistor in a current mirror manner and supplies a mirror current to the output transistor; and a potential change circuit that is connected to the reference transistor and changes a control potential of the output transistor from a potential during mirror operation of the current mirror circuit.

Abstract: The invention is a semiconductor light emitting device successively including a conductive support substrate, a metal layer, and a light emitting part successively including an n-type current spreading layer, an n-type cladding layer, an active layer, a p-type cladding layer, and a p-type current spreading layer, which are made of an AlGaInP-based semiconductor layer. This device also includes a first thin ohmic electrode partially covering the p-type current spreading layer and a second thin ohmic electrode partially provided between the metal and n-type current spreading layers. The first and second thin ohmic electrodes are disposed so as not to overlap when seen from above. The lattice constant of the n-type current spreading layer matches that of the n-type cladding layer. The invention provides a P-side-up metal reflection type of semiconductor light emitting device having high luminance that inhibits increase in thickness of semiconductor layers and keeps current from locally concentrating.

Abstract: A semiconductor laser device includes a semiconductor laser chip configured to emit laser light forward in the emission direction and a stem having a tabular base whose thickness direction is in the emission direction. The base has a chip through-hole that passes through in the thickness direction. A part of the semiconductor laser chip is accommodated in the chip through-hole.