公开(公告)号：US20220399165A1

公开(公告)日：2022-12-15

申请号：US17740769

申请日：2022-05-10

申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.

发明人： Jin Woo Kim ,  Chang Hak Choi ,  Seok Hyun Yoon ,  Ki Yong Lee ,  Jong Myeong Jeon

IPC分类号： H01G4/12 ,  H01G4/232 ,  H01G4/248 ,  H01G4/30

摘要： A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of grains and grain boundaries disposed between adjacent grains. The grain boundary includes a secondary phase including Sn, a rare-earth element, and a first subcomponent. The rare-earth element includes at least one of Y, Dy, Ho, Er, Gd, Ce, Nd, Sm, Tb, Tm, La, Gd and Yb. The first subcomponent includes at least one of Si, Mg, and Al.