Multilayer ceramic capacitor having multilayer external electrodes and board having the same
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United States of America Patent
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Jun 20, 2017
Grant Date -
Nov 5, 2015
app pub date -
Jun 29, 2015
filing date -
Feb 27, 2014
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Abstract
A multilayer ceramic capacitor and a board having the same are provided. The multilayer ceramic capacitor includes three external electrodes including a conductive layer, a nickel plating layer, and a tin plating layer sequentially stacked on a mounting surface of the ceramic body, and spaced apart from each other. When an outermost portion of a lead-out portion of an internal electrode exposed to the mounting surface is P, a total thickness of the conductive layer, the nickel plating layer, and the tin plating layer in a normal line direction of the conductive layer from P is a, a thickness of the conductive layer in the normal line direction of the conductive layer from P is b, and a sum of pore heights of pores existing in the conductive layer in the normal line direction of the conductive layer from P is bp, (b−bp)/a satisfies 0.264≦(b−bp)/a≦0.638.
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