Multi-layer ceramic capacitor and method of producing the same

A multi-layer ceramic capacitor, comprising:

• a multi-layer unit including
• a capacitance forming unit including
• ceramic layers laminated in a first direction, and
• internal electrodes disposed between the ceramic layers and mainly containing nickel, and
• a cover that covers the capacitance forming unit from the first direction;
• and
• a pair of side margins that covers the multi-layer unit from a second direction orthogonal to the first direction,
• the internal electrodes each including a pair of oxidized areas, the pair of oxidized areas being adjacent to the pair of side margins and intensively including a metal element that forms an oxide together with nickel,
• the capacitance forming unit including a first portion and a second portion, the first portion being adjacent to the cover, the second portion being adjacent to the first portion in the first direction and including the pair of oxidized areas, each of the pair of oxidized areas of the second portion having a smaller dimension in the second direction than a dimension of each of the pair of oxidized areas of the first portion.