A three-phase AC reactor according to an embodiment of the present invention includes three-phase coils that are not arranged in parallel, an input and output terminal block having an input and output unit having a parallel arrangement, and an external connection position change unit disposed between a coil end of each of the three-phase coils and the input and output terminal block to connect the coil end to the input and output terminal block.

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.

A coil component includes a core including a winding core portion and flange portions; wires wound around the winding core portion; and terminal electrodes on the respective flange portions. The wires respectively have flattened portions connected to the terminal electrodes. The flattened portions each have a shape that becomes thinner from the winding core portion toward a tip end of a corresponding one of the wires. When viewed from a side where mounting surfaces are located, a center axis of a part of each of the flattened portions closer to the winding core portion and a center axis of a part of a corresponding one of the flattened portions closer to the tip end extend in different directions. The center axis of the part of each of the flattened portions closer to the tip end extends in a direction parallel to an axial direction.

A coil electronic component includes an insulating substrate, a coil portion disposed on at least one surface of the insulating substrate, a body in which the insulating substrate and the coil portion are embedded, a lead-out portion connected to the coil portion and exposed from a surface of the body, and a connection portion including a plurality of connecting conductors each having a bent portion to increase lengths of the plurality of connecting conductors embedded in the body, the plurality of connecting conductors being spaced apart from each other, the connection portion connecting an end of the coil portion to the lead-out portion to each other.

An inductor device includes a first trace, a second trace, and a double ring inductor. The first trace is disposed at a first area. The second trace is disposed at a second area. The double ring inductor is located at an outside of the first trace and the second trace. The double ring inductor is respectively coupled to the first trace and the second trace in an interlaced manner.

To provide a coil device having high bonding strength and bonding reliability. The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.

A coil component includes first and second wires wound around a winding core portion of a core, and third and fourth wires wound around outside a portion of the first and the second wires wound around the winding core portion in an opposite direction to a winding direction of the first and second wires. The portion of the first and second wires wound around the winding core portion has a first twisted wire portion twisted together. A length of the first wire or a length of the second wire of the portion of the first and second wires wound around the winding core portion is configured to be equal to a length of the third wire or a length of the fourth wire of the portion of the third and fourth wires wound around outside the portion of the first and second wires wound around the winding core portion.

Methods and apparatus for inductor and transformer semiconductor devices using hybrid bonding technology are disclosed. An example semiconductor device includes a first standoff substrate; a second standoff substrate adjacent the first standoff substrate; and a conductive layer adjacent at least one of the first standoff substrate or the second standoff substrate.

A system and method for an additive platform for a wire-wound power transmission construct includes: a wire, comprising an interior metal core, and an adhesive coating; a wire plotting platform, that shapes and deposits the wire in a moving region of wire deposition and a bonding module, comprising components that fix the wire into place. The wire plotting platform may comprise a wire deposition component and a positioning component that includes an actuation system with at least two degrees of freedom. The bonding module may comprise a mechanism that activates the adhesive coating such that the wire anneals to itself, or to other components, in the region of wire deposition concurrent to deposition of the wire by the wire plotting platform. The system functions as a high-speed high-precision additive manufacturing device, wherein the device is suited for the construction of wire-wound power transmission devices.

A coil component including a terminal for external connection to which a plurality of secondary-side winding wires are connected, and a gathering member that gathers vicinities of terminal ends of the plurality of winding wires.