Abstract: A coil component includes a core having a winding core portion, a first flange portion disposed on a first end portion of the winding core portion, and a second flange portion disposed on a second end portion of the winding core portion; a wire winding on the winding core portion of the core; and a plate member disposed so as to bridge the first flange portion and the second flange portion. The coil component further includes an adhesive portion disposed between the first flange portion and the plate member and adhering the first flange portion to the plate member, and an adhesive portion disposed between the second flange portion and the plate member and adhering the second flange portion to the plate member. The adhesive portion contains a resin and magnetic powder.

Abstract: A coil component is capable of suppressing permeation of liquid or gas into a magnetic portion and increasing mechanical strength of the magnetic portion. A coil component includes a magnetic portion including soft magnetic metal particles having an insulating oxide layer on a surface thereof, with the soft magnetic metal particles being bonded to each other with the insulating oxide layer interposed therebetween; and a coil portion provided inside or on the surface of the magnetic portion. A mixture containing a resin and inorganic particles is disposed between the soft magnetic metal particles.

Abstract: A coil component that suppresses a decrease in adhesion in a magnetic adhesive. The coil component includes a core and a top plate. The core and the top plate are made of magnetic materials. The coil component includes a first wire and a second wire. The first wire and the second wire are wound around the core. The coil component includes an adhesive. The adhesive is interposed between the core and the top plate. The adhesive adheres the core to the top plate. The adhesive includes a thermosetting resin, a metal powder made of a soft magnetic material, and a ferrite powder.

Abstract: A method for manufacturing a magnetic powder includes a step of producing a magnetic powder by spray-drying a spray liquid containing first magnetic particles, second magnetic particles, a thermosetting resin, and an organic solvent. A magnetic powder includes first magnetic particles and a thermosetting resin coating film on surfaces of the first magnetic particles. The first magnetic particles are soft magnetic metal particles. The resin coating film contains second magnetic particles. The second magnetic particles have a smaller average particle size than the first magnetic particles.

Abstract: A coil component includes a core having a winding core portion, a first flange portion disposed on a first end portion of the winding core portion, and a second flange portion disposed on a second end portion of the winding core portion; a wire winding on the winding core portion of the core; and a plate member disposed so as to bridge the first flange portion and the second flange portion. The coil component further includes an adhesive portion disposed between the first flange portion and the plate member and adhering the first flange portion to the plate member, and an adhesive portion disposed between the second flange portion and the plate member and adhering the second flange portion to the plate member. The adhesive portion contains a resin and magnetic powder.

Abstract: An inductor includes a body containing soft magnetic powder and resin, a coil embedded in the body, outer electrodes on the body, and a protective film on the surface of the body. The protective film has a thickness of 10 ?m or more and contains silica particles and resin. In the protective film, the silica particles have an average diameter of 15 nm to 75 nm, and the percentage by weight of the silica particles to the resin is between 150% and 250%.

Abstract: A method for manufacturing a magnetic powder includes a step of producing a magnetic powder by spray-drying a spray liquid containing first magnetic particles, second magnetic particles, a thermosetting resin, and an organic solvent. A magnetic powder includes first magnetic particles and a thermosetting resin coating film on surfaces of the first magnetic particles. The first magnetic particles are soft magnetic metal particles. The resin coating film contains second magnetic particles. The second magnetic particles have a smaller average particle size than the first magnetic particles.

Abstract: A coil component is capable of suppressing permeation of liquid or gas into a magnetic portion and increasing mechanical strength of the magnetic portion. A coil component includes a magnetic portion including soft magnetic metal particles having an insulating oxide layer on a surface thereof, with the soft magnetic metal particles being bonded to each other with the insulating oxide layer interposed therebetween; and a coil portion provided inside or on the surface of the magnetic portion. A mixture containing a resin and inorganic particles is disposed between the soft magnetic metal particles.

Abstract: A temperature sensor that includes a first electrode layer, a second electrode layer, and a thermistor layer between the first and second electrode layers. The thermistor layer includes a spinel-type semiconductor ceramic composition powder containing Mn, Ni, and Fe, and an organic polymer component. In the semiconductor ceramic composition powder, the molar ratio of Mn to Ni is 85/15?Mn/Ni?65/35, and when the total molar quantity of Mn and Ni is 100 parts by mole, the content of Fe is 30 parts by mole or less, and the semiconductor ceramic composition powder is 2 ?m or less in particle size.

Abstract: A rotary encoder includes a shaft and an encoder mechanism that holds the shaft in a rotatably inserted state and detects a rotation direction and a rotation angle of the shaft. The encoder mechanism includes a substrate that rotatably holds the shaft, an insulator portion and a resistor portion provided on one surface of the substrate and alternately provided in the rotation direction of the shaft, a rotor attached to the shaft so as to be integrally rotatable with the shaft, and a slider that is attached to the rotor and alternately slidably contacts the insulator portion and the resistor portion by rotation of the shaft. The insulator portion includes a base material made of a resin, spherical silica, and a fluororesin filler.

Abstract: A rotary encoder includes a shaft and an encoder mechanism that holds the shaft in a rotatably inserted state and detects a rotation direction and a rotation angle of the shaft. The encoder mechanism includes a substrate that rotatably holds the shaft, an insulator portion and a resistor portion provided on one surface of the substrate and alternately provided in the rotation direction of the shaft, a rotor attached to the shaft so as to be integrally rotatable with the shaft, and a slider that is attached to the rotor and alternately slidably contacts the insulator portion and the resistor portion by rotation of the shaft. The insulator portion includes a base material made of a resin, spherical silica, and a fluororesin filler.

Abstract: A temperature sensor that includes a first electrode layer, a second electrode layer, and a thermistor layer between the first and second electrode layers. The thermistor layer includes a spinel-type semiconductor ceramic composition powder containing Mn, Ni, and Fe, and an organic polymer component. In the semiconductor ceramic composition powder, the molar ratio of Mn to Ni is 85/15?Mn/Ni?65/35, and when the total molar quantity of Mn and Ni is 100 parts by mole, the content of Fe is 30 parts by mole or less, and the semiconductor ceramic composition powder is 2 ?m or less in particle size.

Abstract: A common mode choke coil as an electronic component includes a laminate. The laminate includes insulating layers stacked in a thickness direction and has a recess sinking in a stacking direction of the insulating layers. The laminate includes at least one coil conductor therein. The recess is filled with a magnetic resin material. The magnetic resin material is formed of a magnetic powder-containing resin that is a mixture of a soft magnetic metal powder and a thermosetting resin. The soft magnetic metal powder has an average particle size of 12 ?m or less. The magnetic powder-containing resin contains 65 vol % or more and 85 vol % or less of the soft magnetic metal powder.

Abstract: A common mode choke coil as an electronic component includes a laminate. The laminate includes insulating layers stacked in a thickness direction and has a recess sinking in a stacking direction of the insulating layers. The laminate includes at least one coil conductor therein. The recess is filled with a magnetic resin material. The magnetic resin material is formed of a magnetic powder-containing resin that is a mixture of a soft magnetic metal powder and a thermosetting resin. The soft magnetic metal powder has an average particle size of 12 ?m or less. The magnetic powder-containing resin contains 65 vol % or more and 85 vol % or less of the soft magnetic metal powder.

Abstract: A coil component that includes a drum-shaped core with an upper flange and a lower flange, a winding wound around the core, and an exterior resin between the upper flange and lower flange of the core. The exterior resin includes an inorganic filler at 91 to 95 mass % with respect to the exterior resin, and a resin that has more than one glass transition temperature and has a phase-separated structure. A flange spacing distance between the upper flange and the lower flange is 1.0 mm or less.

Abstract: This disclosure provides a magnetic material-containing resin to be used for coating and forming cores. A magnetite-containing resin of the present invention includes a magnetite having a residual magnetic flux density of less than 15 Am2/kg and a coercive force of less than 12 kA/m. A coil is provided that has a structure in which by coating a winding with the magnetite-containing resin, a magnetite-containing resin layer is formed.

Abstract: A magnetic metal-containing resin that includes 70 to 88 mass % of a magnetic metal powder and 5.0 mass % or more of an oxide, and the oxide is 2.8 ?m or more in average particle size. The magnetic metal-containing resin preferably includes 10 mass % or more of the oxide.

Abstract: A coil component that includes a drum-shaped core with an upper flange and a lower flange, a winding wound around the core, and an exterior resin between the upper flange and lower flange of the core. The exterior resin includes an inorganic filler at 91 to 95 mass % with respect to the exterior resin, and a resin that has more than one glass transition temperature and has a phase-separated structure. A flange spacing distance between the upper flange and the lower flange is 1.0 mm or less.

Abstract: A coil antenna structure includes a first magnetic component extending in the thickness direction of a tabular primary casing. A second magnetic component and a third magnetic component, which are magnetically connected to the first magnetic component, are disposed on the first principal surface side and the second principal surface side of the primary casing, respectively. The first magnetic component is provided with a coil component surrounding it. In this manner, a U-shaped magnetic path is provided at an end portion of the primary casing so as to detour around a substrate defining an internal conductor. Likewise, a U-shaped magnetic path including fourth to sixth magnetic components is provided in a secondary casing defining a clamshell type casing together with the primary casing so as to detour around a substrate defining as an internal conductor.

Abstract: A molecule introducing apparatus is provided with a power supply circuit 20 for supplying power, a step-up transformer 30 which is supplied with power from the power supply circuit 20 and which outputs a high voltage, a switching transistor 22 that blocks off and allows the supply of power from the power supply circuit 20 to the step-up transformer 30 and which generates an instantaneous high voltage, and a pair of electrode probes 50 for applying the instantaneous high voltage generated at the step-up transformer 30 to a predetermined region in a body. The molecule introducing apparatus oscillates DNA arranged outside a cell by the instantaneous high voltage so as to introduce the DNA into the cell.