Coil component and manufacturing method therefor

A coil component comprising:

• a coil part having a structure in which a plurality of interlayer insulating films and a plurality of spirally wound coil patterns are alternately stacked in a coil axis direction;
• and
• a magnetic element body embedding therein the coil part,
• wherein the plurality of coil patterns includes at least a first coil pattern positioned at one end in the coil axis direction and a second coil pattern different from the first coil pattern,
• wherein the plurality of interlayer insulating films includes a first interlayer insulating film covering the first coil pattern at least in a radial direction and a second interlayer insulating film covering the second coil pattern at least in the radial direction,
• wherein the magnetic element body has a first part positioned in an inner diameter area of the coil part,
• wherein a radial width of a part of the first interlayer insulating film that is positioned between the first part of the magnetic element body and an innermost turn of the first coil pattern is larger than a radial width of a part of the second interlayer insulating film that is positioned between the first part of the magnetic element body and an innermost turn of the second coil pattern, and
• wherein a width in the radial direction of the innermost turn of the first coil pattern is narrower than a width in the radial direction of the innermost turn of the second coil pattern.