A coil component includes a body including a plurality of pattern layers and a via electrode layer connecting the respective conductive pattern layers to each other, and external electrodes disposed on an external surface of the body. A cross-sectional shape of the via electrode layer is divided into an upper region and a lower region, a side surface of the upper region has a tapered shape, and a lower surface of the lower region includes a curved portion.

An inductor device includes a pattern ground shield (PGS) structure, a first trace, a second trace, and a first center-tapped element. The first trace is disposed above the pattern ground shield structure, and located in a first area. The second trace is disposed above the pattern ground shield structure, and located in a second area. The first area is adjacent to the second area. The first center-tapped element is disposed above the first trace or below the first trace, and passes through a first center point of the first area.

A coil component includes: a body having first and second surfaces facing each other, third and fourth surfaces connecting the first and second surfaces and facing each other, and fifth and sixth surfaces connecting the first to fourth surfaces and facing each other; an insulating substrate disposed inside the body; a coil portion disposed on at least one surface of the insulating substrate, connected to a coil portion and an end portion connected to the coil pattern, and including a lead-out portion where one surface is exposed externally of the body; and first and second external electrodes covering the lead-out portion exposed externally of the body. The first external electrode is disposed on at least a portion of each of the first, third, fifth and sixth surfaces, and the second external electrode is disposed on at least a portion of each of the second, third, fifth, and sixth surfaces.

A coil device includes a first conductor in a first layer and including a spiral shape and a second conductor in the first layer connected in parallel with the first conductor and extending adjacent to and parallel or substantially parallel to the first conductor. A cross-sectional area of the first conductor and a cross-sectional area of the second conductor are different.

A multilayer inductor comprises a plurality of magnetic layers and metal electrode tracks formed on the magnetic layers. A ceramic-inorganic material composite is placed in the magnetic core area in the pattern of coils formed by the metal electrode tracks. The ceramic-inorganic material composite comprises two or more first layers and second layers. The first layers comprise a ceramic material having a positive slope of the dielectric constant versus temperature curve. The second layers comprise an inorganic material having a negative slope of the dielectric constant versus temperature curve. The first layers and the second layers are stacked on each other in an alternating manner. The metal electrode tracks are arranged in such a way that the void space between two adjacent metal electrode tracks where no effective magnetic lines of force exist is minimized. The multilayer inductor enables stable device characteristics and enhances the inductive performance.

An inductor device includes a first inductor, a switch, and a second inductor. The first inductor includes a first, a second, a third, and a fourth trace. The first trace is disposed at a first area of the inductor device. The second trace is disposed inside the first trace. The third trace is disposed at a second area of the inductor device. The fourth trace is disposed inside the third trace. When the switch is turned off, the first, the second, the third, and the fourth trace form first path. When the switch is turned on, the first, the third, and the fourth trace form second path. The second inductor includes a fifth and a sixth trace. The fifth trace is disposed at the first area of the inductor device. The six trace is disposed at the second area of the inductor device, and coupled to the fifth trace.

An electronic component includes an element body including two end surfaces opposite to each other and a bottom surface connected between the two end surfaces. A coil is provided in the element body and an external electrode is provided in the element body. In a first cross-section intersecting with the two end surfaces and the bottom surface of the element body, the external electrode has a first portion extending along a first surface that is one of the end surface and the bottom surface of the element body. The coil is disposed such that an outer circumferential edge of the coil faces the first surface of the element body. A shortest distance between the outer circumferential edge of the coil and the first surface of the element body is smaller than a minimum width of the first portion in a direction orthogonal to the first surface.

Disclosed herein is a coil component that includes first and second coil parts each spirally wound in a plurality of turns in directions opposite to each other. An innermost turn of the first coil part is radially divided into first and second conductor parts by a spiral slit, and at least an innermost turn of the second coil part is radially divided into third and fourth conductor parts by a spiral slit. The first conductor part is positioned radially inward of the second conductor part, and the third conductor part is positioned radially inward of the fourth conductor part. The inner peripheral end of the first conductor part is connected to the inner peripheral end of the fourth conductor part, and the inner peripheral end of the second conductor part is connected to the inner peripheral end of the third conductor part.

First internal conductors are separated from each other in a first direction. Each of the first internal conductors includes a coil portion and a pad portion having a width larger than a width of the coil portion. The pad portions adjacent to each other in the first direction are connected to each other via a through-hole conductor and overlap each other when viewed from the first direction. When viewed from the first direction, each of the coil portions includes a first portion not overlapping the pad portion adjacent in the first direction and a second portion overlapping a part of the pad portion adjacent in the first direction. A second internal conductor is disposed on the same layer as the second portion and is positioned to overlap a portion of the pad portion adjacent in the first direction not overlapping the second portion when viewed from the first direction.

Embodiments of this application disclose an inductor device wiring architecture, including an inductor device and a plurality of dummy metals located under the inductor device. The plurality of dummy metals are arranged in a plurality of metal layers. Each of the plurality of metal layers corresponds to some of the plurality of dummy metals. Arrangement areas of dummy metals corresponding to at least two of the plurality of metal layers progressively increase in a direction away from the inductor device. In the inductor device wiring architecture, adverse effects on performance of the inductor device can be reduced, and a product yield can be increased. The embodiments of this application further disclose an integrated circuit and a communications device.