Patent ID: 8593248

Claim:
An inductor comprising: a first core having a first side and a second side opposite to the first side, comprising a pillar formed on the first side of the first core and a protrusion formed on the second side of the first core to form a first recess and a second recess along the edges of the second side of the first core; a conducting wire disposed around the pillar, wherein the conducting wire comprises a first end and a second end; and a first lead frame having a first portion and a second portion spaced apart from the first portion, wherein the first portion comprises a first embedded portion and the second portion comprises a second embedded portion; wherein the first embedded portion and the second embedded portion are embedded in the first recess and the second recess, respectively, wherein the first portion and the second portion of the first lead frame are electrically connected to the first end and the second end of the conducting wire, respectively.