US 12,288,639 B2
Coil component and method of manufacturing the same
Hirotaka Wakabayashi, Tokyo (JP)
Assigned to TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed by TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed on Jan. 30, 2024, as Appl. No. 18/427,136.
Application 18/427,136 is a continuation of application No. 17/160,110, filed on Jan. 27, 2021, granted, now 11,923,126.
Claims priority of application No. 2020-015306 (JP), filed on Jan. 31, 2020.
Prior Publication US 2024/0170199 A1, May 23, 2024
Int. Cl. H01F 27/28 (2006.01); H01F 27/06 (2006.01); H01F 27/29 (2006.01); H01F 41/02 (2006.01)
CPC H01F 27/29 (2013.01) [H01F 27/06 (2013.01); H01F 41/02 (2013.01); H01F 2027/065 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A coil component comprising:
a base body;
a conductor wound around a coil axis; and
an external electrode provided on a surface of the base body and electrically connected to an end portion of the conductor,
wherein the external electrode includes an electrode layer containing a plurality of first fillers, a plurality of second fillers, and a resin,
wherein at least one of the plurality of second fillers is bonded by metallic bond to at least adjacent one of the plurality of first fillers and/or at least adjacent one of the plurality of second fillers,
wherein each of the plurality of second fillers has a flat shape,
wherein one end of each of said at least one of the plurality of second fillers is in direct contact with and bonded by metallic bond to said at least adjacent one of the plurality of first fillers and/or said at least adjacent one of the plurality of second fillers,
wherein the plurality of first fillers consist of at least one element selected from the group consisting of Ag, Cu, Au, Pd, and Ni, and
wherein the plurality of second fillers consist of at least one element selected from the group consisting of Ag, Cu, Au, Pd, and Ni.