Abstract: A coil component includes: a substrate body having a first resin part formed by a resin that contains magnetic grains, and a second resin part joined to the surface of the first resin part and formed by a resin that contains filler, and whose resin content is higher than that of the first resin part; a coil embedded at least in a part of the first resin part and formed by a conductor having an insulating film; leader parts formed by the conductor and led out from the coil to the second resin part; and terminal parts connected electrically to the leader parts and provided in the second resin part. The above structures can enhance mechanical strength.

Abstract: In an exemplary embodiment, a coil component includes: an element body part 10 that is formed containing a magnetic material; a coil 40 that is embedded within the element body part 10 and constituted by a wound conductive wire; lead wires 44a, 44b that are extended from the conductive wire and are led out from the coil 40; and terminal parts 70a, 70b that are joined to the lead wires 44a, 44b; wherein tip parts 46a, 46b of the lead wires 44a, 44b, each having a prescribed length from the tip, are embedded in the element body part 10 and also extend along the bottom face 22 of the element body part 10, and the terminal parts 70a, 70b are joined to the tip parts 46a, 46b of the lead wires 44a, 44b on the bottom face 22 of the element body part 10.

Abstract: A composition containing black ginger extract including black ginger extract, and cyclodextrin. The composition containing black ginger extract includes certain 6 polymethoxyflavones (6PMF). When a total amount of 6PMF in the composition containing black ginger extract is determined as 100 parts by mass, an amount of 5-hydroxy-7-methoxyflavone in the composition containing black ginger extract is 5 parts by mass or less. When absorbance of an aqueous solution of the composition containing black ginger extract, in which a total amount of the 6 polymethoxyflavones is adjusted to a certain amount, is measured, the absorbance of the aqueous solution satisfies P1/V1?1.45.

Abstract: A coil component, adopted to be mounted on an electronic device, includes: an element body part; a coil fixed to the element body part and constituted by a wound conductive wire; lead wires that are each extended from the conductive wire and led out from the coil, and whose tip parts are each disposed a bottom face, which is a mounting face, of the element body part; and terminal parts that are each constituted by the tip part and a metal member that is joined to the tip part on the bottom face, and also has an opening at a position overlapping the tip part in a direction intersecting the bottom face.

Abstract: A coil component includes: a substrate body having a first resin part formed by a resin that contains magnetic grains, and a second resin part joined to the surface of the first resin part and formed by a material that contains resin, and whose insulation property is higher than that of the first resin part; a coil embedded in the first resin part and formed by a conductor having an insulating film; leader parts formed by the conductor and led out from the coil to the second resin part; and terminal parts connected electrically to the leader parts; wherein covered parts of the leader parts, which are covered with the insulating film, are embedded partially in the second resin part, and the second resin part is disposed between the terminal parts and the first resin part, thereby preventing shorting between the terminal parts.

Abstract: A coil component, adopted to be mounted on an electronic device, includes: an element body part; a coil fixed to the element body part and constituted by a wound conductive wire; lead wires that are each extended from the conductive wire and led out from the coil, and whose tip parts are each disposed a bottom face, which is a mounting face, of the element body part; and terminal parts that are each constituted by the tip part and a metal member that is joined to the tip part on the bottom face, and also has an opening at a position overlapping the tip part in a direction intersecting the bottom face.

Abstract: In an exemplary embodiment, a coil component includes: an element body part 10; a coil 40 embedded within the element body part 10 and constituted by a wound conductive wire; lead wires 44a, 44b that are each extended from the conductive wire and led out from the coil 40, and whose tip parts 46a, 46b are each fixed to a bottom face 22 of the element body part 10; and terminal parts 70a, 70b that are each constituted by the tip part 46a or 46b and a metal member 72a or 72b that is joined to the tip part 46a or 46b on the bottom face 22, and also has an opening 74 or 76 at a position overlapping the tip part 46a or 46b in a direction intersecting the bottom face 22.

Abstract: A coil component includes: a substrate body having a first resin part formed by a resin that contains magnetic grains, and a second resin part joined to the surface of the first resin part and formed by a material that contains resin, and whose insulation property is higher than that of the first resin part; a coil embedded in the first resin part and formed by a conductor having an insulating film; leader parts formed by the conductor and led out from the coil to the second resin part; and terminal parts connected electrically to the leader parts; wherein covered parts of the leader parts, which are covered with the insulating film, are embedded partially in the second resin part, and the second resin part is disposed between the terminal parts and the first resin part, thereby preventing shorting between the terminal parts.

Abstract: A coil component includes: a substrate body having a first resin part formed by a resin that contains magnetic grains, and a second resin part joined to the surface of the first resin part and formed by a resin that contains filler, and whose resin content is higher than that of the first resin part; a coil embedded at least in a part of the first resin part and formed by a conductor having an insulating film; leader parts formed by the conductor and led out from the coil to the second resin part; and terminal parts connected electrically to the leader parts and provided in the second resin part. The above structures can enhance mechanical strength.

Abstract: In an exemplary embodiment, a coil component includes: an element body part 10 that is formed containing a magnetic material; a coil 40 that is embedded within the element body part 10 and constituted by a wound conductive wire; lead wires 44a, 44b that are extended from the conductive wire and are led out from the coil 40; and terminal parts 70a, 70b that are joined to the lead wires 44a, 44b; wherein tip parts 46a, 46b of the lead wires 44a, 44b, each having a prescribed length from the tip, are embedded in the element body part 10 and also extend along the bottom face 22 of the element body part 10, and the terminal parts 70a, 70b are joined to the tip parts 46a, 46b of the lead wires 44a, 44b on the bottom face 22 of the element body part 10.

Abstract: In an exemplary embodiment, a coil component includes: an element body part 10; a coil 40 embedded within the element body part 10 and constituted by a wound conductive wire; lead wires 44a, 44b that are each extended from the conductive wire and led out from the coil 40, and whose tip parts 46a, 46b are each fixed to a bottom face 22 of the element body part 10; and terminal parts 70a, 70b that are each constituted by the tip part 46a or 46b and a metal member 72a or 72b that is joined to the tip part 46a or 46b on the bottom face 22, and also has an opening 74 or 76 at a position overlapping the tip part 46a or 46b in a direction intersecting the bottom face 22.

Abstract: An organic electroluminescent device including at least one organic layer between a pair of electrodes, wherein the at least one organic layer includes a luminescent layer, at least one layer of the at least one organic layer includes at least one metal complex containing a tri- or higher-dentate ligand, and a compound represented by formula (I) is contained in an organic layer containing the metal complex and/or in other organic layer(s). In formula (I), R11 to R14 each independently represent a hydrogen atom or a substituent group, and at least one of R11 to R14 represents an aryl or heteroaryl group.

Abstract: An organic electroluminescent device including at least one organic layer between a pair of electrodes, wherein the at least one organic layer includes a luminescent layer, at least one layer of the at least one organic layer includes at least one metal complex containing a tri- or higher-dentate ligand, and a compound represented by formula (I) is contained in an organic layer containing the metal complex and/or in other organic layer(s). In formula (I), R11 to R14 each independently represent a hydrogen atom or a substituent group, and at least one of R11 to R14 represents an aryl or heteroaryl group.

Abstract: An organic electroluminescent device including at least one organic layer between a pair of electrodes, wherein the at least one organic layer includes a luminescent layer, at least one layer of the at least one organic layer includes at least one metal complex containing a tri- or higher-dentate ligand, and a compound represented by formula (I) is contained in an organic layer containing the metal complex and/or in other organic layer(s). In formula (I), R11 to R14 each independently represent a hydrogen atom or a substituent group, and at least one of R11 to R14 represents an aryl or heteroaryl group.

Abstract: An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.

Abstract: An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.

Abstract: A multi-layer ceramic capacitor has a temperature characteristic satisfying an X8R property and has a high specific resistance under a high temperature circumstance, in which the dielectric ceramic composition forming the dielectric ceramics is expressed by a formula: BaTiO3+aMgO +bMOx+cReO3/2+dSiO2, wherein MgO represents MgO conversion, MOx represents oxide conversion for 1 atom in 1 molecule of at least one metal selected from V, Cr, and Mn, ReO3/2 represents oxide conversion for 1 atom in 1 molecule of at least one rare earth metal selected from Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Y, and SiO2 represents SiO2 conversion, and wherein 0.4?a?3.0 mol, 0.05?b?0.4 mol, 6.0?c?16.5 mol, 3.0?d?5.0 mol, 2.0?c/d?3.3, based on 100 mol of BaTiO3.

Abstract: To provide an organic electroluminescent device which suppresses crystallization of a material to be used in an organic electroluminescent device and which is good in luminous characteristics, device drive durability and storage stability, the organic electroluminescent device has at least one organic layer including a light emitting layer between a pair of electrodes, wherein the light emitting layer contains a compound represented by formula (1) defined in the specification and a light emitting material.

Abstract: To provide an organic electroluminescent device having excellent durability and having high luminous efficiency and luminance, the organic electroluminescent device includes an organic compound layer containing a hole transport layer, a light emitting layer, a block layer, and an electron transport layer between a pair of electrodes, wherein the block layer contains an electron transport material and an electrically inactive organic compound capable of being subjected to dry film formation and having an energy difference Eg between highest occupied molecular orbital and lowest unoccupied molecular orbital of 4.0 eV or more.

Abstract: An organic electroluminescence element, which contains at least one organic layer that includes a luminescent layer between a pair of electrodes, wherein the organic layer contains at least one compound represented by formula (1): wherein R11 and R12 each independently represent an aryl or heteroaryl group; when R11 or R12 is a phenyl group, it has no nitrogen-containing heterocyclic group on R11 or R12 as a substituent; Ar11 and Ar12 each independently represent a group represented by formula (2): wherein Ar21 represents an arylene or heteroarylene group; R21, R22, R23, and R24 each independently represent a substituent or a hydrogen atom; L2 represents a substituted or unsubstituted o-arylene or vinylene group, —NR— (R represents a substituent), —O—, or —S—; and m is 0 or 1.