US 12,170,163 B2
Coil component and manufacturing method therefor
Nobuyuki Okuzawa, Tokyo (JP); Kazuhiko Ito, Tokyo (JP); Munehiro Takaku, Tokyo (JP); and Junichiro Urabe, Tokyo (JP)
Assigned to TDK Corporation, Tokyo (JP)
Filed by TDK Corporation, Tokyo (JP)
Filed on Oct. 18, 2021, as Appl. No. 17/504,344.
Claims priority of application No. 2020-177753 (JP), filed on Oct. 23, 2020.
Prior Publication US 2022/0130596 A1, Apr. 28, 2022
Int. Cl. H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 27/32 (2006.01); H01F 41/12 (2006.01)
CPC H01F 27/2823 (2013.01) [H01F 27/292 (2013.01); H01F 27/327 (2013.01); H01F 41/127 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A coil component comprising:
a resin body;
a coil pattern embedded in the resin body and helically wound in a plurality of turns; and
first and second terminal electrodes provided on a surface of the resin body and connected respectively to one and other ends of the coil pattern,
wherein the resin body includes:
a winding core area surrounded by the coil pattern and having a first surface and a substantially flat second surface different in the circumferential direction position from the first surface; and
a first surrounding area covering the first surface of the winding core area,
wherein the coil pattern includes a plurality of first sections extending along the first surface of the winding core area and a plurality of second sections extending along the second surface of the winding core area,
wherein one ends of the plurality of first sections are connected respectively to their corresponding one ends of the plurality of second sections, and
wherein other ends of the plurality of first sections are connected respectively to their corresponding other ends of the plurality of second sections.