Electronic component and fabrication method thereof

An electronic component comprising:

• a ceramic main body including two end surfaces in a length direction, two side surfaces in a width direction and top and bottom surfaces in a thickness direction;
• first and second external electrodes disposed on the two end surfaces in the length direction, respectively;
• third and fourth external electrodes disposed on the two side surfaces in the width direction, respectively;
• first internal electrodes disposed within the ceramic main body and connected to first and second external electrodes;
• and
• second internal electrodes alternately arranged with the first internal electrodes, while having a ceramic layer interposed therebetween, and connected to the third and fourth external electrodes, wherein:
• a roughness R1 of the first internal electrode is lower than a roughness R2 of the second internal electrode, and
• (R1/R2)≦0.9 is satisfied.

A multi-terminal electronic component comprising:

• first and second external electrodes disposed on two end surfaces of a ceramic main body in a length direction thereof, respectively;
• a plurality of third and fourth external electrodes disposed on two side surfaces of the ceramic main body in a width direction thereof, respectively;
• a plurality of first internal electrodes laminated within the ceramic main body and connected to the first and second external electrodes;
• and
• a plurality of second internal electrodes alternately arranged with the plurality of first internal electrodes, while having a ceramic layer interposed therebetween, and connected to the plurality of third and fourth external electrodes,
• wherein a roughness R1 of the first internal electrode is lower than a roughness R2 of the second internal electrode, and
• wherein 0.13≦(R2/t2)≦0.5 is satisfied, and t2 is the thickness of the second internal electrode.

A multi-terminal electronic component comprising:

• first and second external electrodes disposed on two end surfaces of a ceramic main body in a length direction thereof, respectively;
• a plurality of third and fourth external electrodes disposed on two side surfaces of the ceramic main body in a width direction thereof, respectively;
• a plurality of first internal electrodes laminated within the ceramic main body and connected to the first and second external electrodes;
• and
• a plurality of second internal electrodes alternately arranged with the plurality of first internal electrodes, while having a ceramic layer interposed therebetween, and connected to the plurality of third and fourth external electrodes, wherein:
• a roughness R1 of the first internal electrode is lower than a roughness R2 of the second internal electrode, and
• (R1/R2)≦0.9 is satisfied.