Abstract: The disclosure provides a novel electronic component that is highly safe against environmental pollution such as air pollution and water pollution, and has high flame retardancy. A relay includes a base, a card and a case molded from a flame-retardant resin composition containing a resin material, a brominated flame retardant, and a bismuth-based flame retardant aid.

Abstract: Provided are (i) a one-pack epoxy resin which exhibits excellent storage stability in terms of not only composition viscosity but also flowability and (ii) use thereof. The one-pack type epoxy resin composition, contains, as main components, (A) epoxy resin; (B) a modified aliphatic polyamine compound; and (C) inorganic filler treated with a long-chain hydrocarbon-group containing compound. Therefore, the present invention achieves (i) the one-pack type epoxy resin composition which exhibits the excellent storage stability in terms of not only the viscosity but also the flowability and (ii) use thereof.

Abstract: An epoxy resin composition is a one-part epoxy resin composition for hermetic sealing of an electronic component or an electrical component, containing: a liquid epoxy resin; dicyandiamide; and a filler, the filler having an average particle size between 0.1 ?m and 1 ?m, the filler containing particles not less than 5 ?m in particle size in an amount of not more than 20 wt %, and the amount of the filler contained in the one-part epoxy resin composition being between 5 and 60 parts by weight relative to 100 parts by weight of the liquid epoxy resin. This achieves a one-part liquid epoxy resin composition in which a great variety of curing agents can be used and dissociation of an epoxy resin and a curing agent is suppressed even when used in a gap of approximately several tens of micrometers.

Abstract: An optical module includes: a plurality of leads arranged in at least two lines, at least portions of the plurality of the leads being mounted on a circuit board; an optical semiconductor for emitting or receiving an optical signal; and a circuit portion connected to the optical semiconductor, for transmitting a pair of differential signals to or receiving a pair of differential signals from the circuit board through a pair of differential signal leads among the plurality of the leads. The pair of the differential signal leads are provided adjacent and in parallel to each other in one of the at least two lines.

Abstract: An optoelectric composite wiring module includes: a pair of optical circuit sections, each including an optical element that performs photoelectric conversion and that receives or outputs an optical signal; an optical wiring section including an optical wiring that transmit the optical signal between the pair of optical circuit sections; and an electric wiring section including an electric wiring that transmits an electric power or electric signal that is not related to the photoelectric conversion, the electric wiring section including a first portion being stacked above the optical wiring section and a second portion being separated from and not stacked above each of the pair of optical circuit sections.

Abstract: An optical transmission module includes: a substrate; an electric wiring section that is provided on the substrate; a photoelectric element that are mounted on the electric wiring section, and that emits an optical signal on the basis of a received electric signal or transmits an electric signal on the basis of a received optical signal; an optical part that comprises at least one of an optical conversion section and an optical fiber receptacle section, and that controls an optical path of optical signal between the photoelectric element and an optical fiber; a mounting support member that positions the photoelectric element; and a positioning mechanism that positions the optical part and the mounting support member.

Abstract: An optoelectric composite wiring module includes: a pair of optical circuit sections, each including an optical element that performs photoelectric conversion and that receives or outputs an optical signal; an optical wiring section including an optical wiring that transmit the optical signal between the pair of optical circuit sections; and an electric wiring section including an electric wiring that transmits an electric power or electric signal that is not related to the photoelectric conversion, the electric wiring section including a first portion being stacked above the optical wiring section and a second portion being separated from and not stacked above each of the pair of optical circuit sections.

Abstract: An optical transmission module includes: a substrate; an electric wiring section that is provided on the substrate; a photoelectric element that are mounted on the electric wiring section, and that emits an optical signal on the basis of a received electric signal or transmits an electric signal on the basis of a received optical signal; an optical part that comprises at least one of an optical conversion section and an optical fiber receptacle section, and that controls an optical path of optical signal between the photoelectric element and an optical fiber; a mounting support member that positions the photoelectric element; and a positioning mechanism that positions the optical part and the mounting support member.

Abstract: A luminescent material composed of the polymer of the organic silicon compound represented by the following general formula (1): Chemical Formula 1 [where X is an organic molecule which emits fluorescence or phosphorescence; R1 is a lower alkoxy group, a hydroxyl group, an allyl group, an ester group, or halogen atoms; R2 is a lower alkyl group or a hydrogen atom; n is an integer of 1 to 3; and m is an integer of 1 to 4].

Abstract: An optical transmitter-receiver includes: an optical module including a metal package housing at least a light receiving element and a light emitting element; a circuit board for transmitting/receiving an electric signal with respect to the optical module; a first wiring for connecting a side of the light receiving element to the circuit board; a second wiring for connecting a side of the light emitting element to the circuit board; and a shield member for shielding at least the first wiring.

Abstract: An optical distribution module includes at least one light emitting element that converts an optical signal to an electrical signal, at least one light receiving element that converts the optical signal to the electrical signal, and a distribution circuit that is arranged so as to optically couple the light emitting element and the light receiving element. The distribution circuit branches or couples the optical signal from the light emitting element so as to emit the optical signal to the light receiving element.

Abstract: An optical module includes a base portion; a surface type optical element receiving or emitting light; an optical waveguide being mounted on the base portion; a holding member being mounted on the base portion; a cap being mounted on the base portion; and a fixing member. The optical waveguide includes on an end portion of the optical waveguide light input/output end face that transmits light therebetween. The holding member positions and holds the surface type optical element and one end portion of the optical waveguide. The cap includes a light transmitting window provided in a position opposing to the other end portion of the optical waveguide. The cap at least partially covers the optical element and the optical waveguide. The fixing member fixes the other end portion of the optical waveguide and the cap.

Abstract: An optical module includes: a plurality of leads arranged in at least two lines, at least portions of the plurality of the leads being mounted on a circuit board; an optical semiconductor for emitting or receiving an optical signal; and a circuit portion connected to the optical semiconductor, for transmitting a pair of differential signals to or receiving a pair of differential signals from the circuit board through a pair of differential signal leads among the plurality of the leads. The pair of the differential signal leads are provided adjacent and in parallel to each other in one of the at least two lines.

Abstract: A UV detector is located at an arbitrary measuring position on an object on which UV intensity and dose are measured and measures the UV intensity and dose at the measuring position. The receptor includes a UV photo-receiving device having a photosemiconductive layer containing nitrogen and at least one of elements of Al, Ga and In, and a UV untransmissive member having a function of preventing UV transmitted through the UV receiving device from being received by the object.

Abstract: A UV detector is located at an arbitrary measuring position on an object on which UV intensity and dose are measured and measures the UV intensity and dose at the measuring position. The receptor includes a UV photo-receiving device having a photosemiconductive layer containing nitrogen and at least one of elements of Al, Ga and In, and a UV untransmissive member having a function of preventing UV transmitted through the UV receiving device from being received by the object.

Abstract: To provide a non-reducing dielectric ceramic composition for multilayer ceramic capacitor, in which decrease of specific resistance and shortening of life time do not occur due to reduction of dielectric ceramic composition even when it is fired in neutral or reducing atmosphere and capacitance does not vary extensively due to temperature change, the non-reducing dielectric ceramic composition according to the present invention comprises 86.32 to 97.64 mols of BaTiO.sub.3, 0.01 to 10.00 mols of Y.sub.2 O.sub.3, 0.01 to 10.00 mols of MgO, and 0.001 to 0.200 mol of V.sub.2 O.sub.5. An additive containing 0.01 to 1.0 mol % of at least one or more of MnO, Cr.sub.2 O.sub.3, or Co.sub.2 O.sub.3, and further, an additive containing 0.5 to 10.0 mol % of {Ba.sub.A, Ca.sub.(1-A) }SiO.sub.3 (where 0.ltoreq.A.ltoreq.1) may be added.

Abstract: Novel 1(2H)-isoquinolone compounds and the acid addition salts thereof are disclosed. These compounds are useful as pharmaceutical agents in view of their anti-ulcer, stomach mucous membrane blood flow increasing, anti-hypertensive, analgesic, anti-histamine, anti-cholinergic and gastric secretion inhibitory activities.

Abstract: 1(2H)-Isoquinolone compounds represented by the formula (1) ##STR1## wherein Y represents hydrogen, chlorine or a methoxy group, Z represents a straight chain or branched chain divalent saturated aliphatic hydrocarbon group having 2 to 4 carbon atoms, R.sub.1 represents a cyano group, a lower alkoxycarbonyl group, a carbamoyl group, an N-substituted carbamoyl group, a phenyl group or a substituted phenyl group, R.sub.2 represents hydrogen or a lower alkyl group, and R.sub.3 represents a lower alkyl group, or R.sub.2 and R.sub.3 can form, when taken together with the nitrogen atom to which they are attached, a heterocyclic group, and the acid addition salts thereof, useful as analgesic, gastric secretion inhibitory, anti-depression, anti-histamine, anti-cholinergic and anti-ulcer agents.