Abstract: A flexographic printing raw plate including at least a support, a photosensitive resin composition layer, an ink absorbing layer, and an infrared ablation layer sequentially stacked, wherein the ink absorbing layer has a film thickness of 5 ?m or more and 50 ?m or less, the ink absorbing layer comprises polymer particles containing a butadiene skeleton and having a carboxyl group and/or a hydroxy group, and/or polymer particles obtained by polymerizing a monobasic or polybasic acid monomer, and a content of the polymer particles is 20% by mass or more and 95% by mass or less based on 100% by mass of the ink absorbing layer.

Abstract: When a winding density represents the number of turns of a wire per unit length in a longitudinal direction of a core portion, a plurality of inductor regions having mutually different winding densities of the wire are arrayed in the longitudinal direction of the core portion, and a low-density inductor region with the winding density being relatively low is located between first and second high-density inductor regions with the winding densities being relatively high.

Abstract: A winding core portion includes corner portions. The cross section of the winding core portion taken in a direction orthogonally intersecting the longitudinal axis thereof is a polygon having four corners or more. The interior angle of each corner between adjacent sides of the polygon is 90 degrees or more and less than 120 degrees (i.e., from 90 degrees to 120 degrees) on the cross section. At least one of the corner portions has a first round surface and a second round surface that are formed so as to protrude outward and are arranged adjacently to each other in a circumferential direction of the winding core portion.

Abstract: A wire-wound core includes a wound core portion and a first flange and a second flange provided on a first end portion and a second end portion, respectively. The first flange has a bottom surface facing a mounting substrate during mounting, a top surface facing away from the bottom surface, an inner end surface coupling the bottom surface with the top surface and facing the wound core portion, an outer end surface facing away from the inner end surface, and a first side surface and a second side surface that face away from each other and each couple the bottom surface with the top surface and the inner end surface with the outer end surface. In a region of the outer end surface close to the bottom surface, a first inclined surface inclined toward the inner end surface as the first inclined surface approaches the bottom surface is provided.

Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.

Abstract: When a winding density represents the number of turns of a wire per unit length in a longitudinal direction of a core portion, a plurality of inductor regions having mutually different winding densities of the wire are arrayed in the longitudinal direction of the core portion, and a low-density inductor region with the winding density being relatively low is located between first and second high-density inductor regions with the winding densities being relatively high.

Abstract: Terminal electrodes are disposed on mounting surfaces of flanges of a substantially drum-shaped core that are directed to a mounting substrate. A rounded surface is formed on the mounting surface. An end portion of the wire extends along the rounded surface from a side on which the inner end surface is present toward a side on which the outer end surface is present.

Abstract: A coil component includes a core having first and second flange portions, and a top plate. Convex first and second spacer portions are in a lower main surface of the top plate that faces the first and second flange portions and are in contact with top surfaces of the first and second flange portions to form gaps between the top surfaces of the flange portions and the lower main surface of the top plate. A stage portion is in a region of the lower main surface of the top plate that faces the winding core portion of the core, and the first and second spacer portions are connected to each other via the stage portion. The spacer portions and the stage portion form a convex portion having a relatively large area to prevent the spacer portions from being scraped and damaged in a polishing process for deburring or chamfering.

Abstract: Terminal electrodes are disposed on mounting surfaces of flanges of a substantially drum-shaped core that are directed to a mounting substrate. A rounded surface is formed on the mounting surface. An end portion of the wire extends along the rounded surface from a side on which the inner end surface is present toward a side on which the outer end surface is present.

Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.

Abstract: An inductor component includes a drum-shaped core, a wire, and a top plate. The drum-shaped core includes a winding core portion, a first flange portion, and a second flange portion. The winding core portion has a columnar shape extending along a central axis as a center. The first flange portion is connected to a first end of the winding core portion. The wire is wound around the winding core portion. The top plate is connected to the first flange portion. The top plate includes a first projection that protrudes toward the first flange portion. The first projection includes a distal end face that is parallel to a principal surface and a side surface that extends from the distal end face toward the principal surface. The side surface includes a vertical surface that is linked to a first end face and is flush with the first end face.

Abstract: A differential mode choke coil component includes a substantially drum-shaped core, a substantially plate-shaped core, and first and second wires. The plate-shaped core is secured to each of the first and second flanges by using an adhesive with the first major surface facing the top surface of each of the first and second flanges with a spacing. The spacing has a mean value greater than or equal to about 20 ?m between the first major surface and the top surface of each of the first and second flanges.

Abstract: Terminal electrodes are disposed on mounting surfaces of flanges of a substantially drum-shaped core that are directed to a mounting substrate. A rounded surface is formed on the mounting surface. An end portion of the wire extends along the rounded surface from a side on which the inner end surface is present toward a side on which the outer end surface is present.

Abstract: A common mode choke coil is configured in which end portions of first and second wires are connected to first and second terminal electrodes, end portions of third and fourth wires are connected to third and fourth terminal electrodes, and at least a part of each of the first, third, fourth and second wires is wound around a winding core portion to form first, second, third and fourth layers. Also, a common mode choke coil is configured in which end portions of first and second wires are connected to first and second terminal electrodes, end portions of a third wire are connected to third and fourth terminal electrodes, and at least a part of each of the first, third, and second wires is wound around a winding core portion to form first, second, and third layers.

Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.

Abstract: A coil component comprising a core having a winding core part, and a coil wound around the winding core part and including a plurality of wires. The coil includes a twisted wire portion in which the plurality of wires is twisted together. The twisted wire portion includes a bank region including a first layer wound multiple turns continuously around the winding core part and a second layer wound on the first layer continuously from the first layer. The bank region is sparsely wound with the number of turns of the second layer reduced by two or more as compared to the number of turns of the first layer.

Abstract: A coil component includes a first alignment winding region in which a second wire is continuously wound so as to have turns such that the turns of the second wire are aligned with turns of a first wire having the same ordinal number outside the first wire in a direction perpendicular to a central axis. The ordinal number is counted from the turn nearest to the first flange portion.

Abstract: A coil component having a first flange portion connected to a first end of a winding core portion on a first positive direction side, a second flange portion connected to a second end of the winding core portion on a first negative direction side, and a top plate extending through a longer range in a direction along a center axis than the winding core portion and connected to the first and second flange portions via an adhesive which does not contact the winding core portion. A first presence area is where the adhesive is on a surface of the top plate. A second presence area consists of a second area where the adhesive is on a surface of the first flange portion and a fourth area where the adhesive is on a surface of the second flange portion. The first presence area is larger than the second presence area.

Abstract: In a coil component, a first end of a wire is connected to a first terminal electrode. Part of the wire extends in a spiral shape around a peripheral surface of a winding core portion with a center axis as an axis of helix. A region of the wire from a first point at which the wire is connected to the first terminal electrode to a second point at which the wire has been wound through one turn around the center axis is referred to as a first wire range. Within the first wire range, the wire has a first connection point at which the wire is connected to a top plate via adhesive. The wire is separated from the peripheral surface of the winding core portion at the first connection point.

Abstract: A coil component comprising a core having a winding core part, and a coil wound around the winding core part and including a plurality of wires. The coil includes a twisted wire portion in which the plurality of wires is twisted together. The twisted wire portion includes a bank region including a first layer wound multiple turns continuously around the winding core part and a second layer wound on the first layer continuously from the first layer. The bank region is sparsely wound with the number of turns of the second layer reduced by two or more as compared to the number of turns of the first layer.