Keating & Bennett, LLP
Monolithic capacitor, circuit board, and circuit module
A monolithic capacitor includes a laminate of ceramic layers, the laminate having first and second surfaces, at least one pair of first and second internal electrodes, first and second external electrodes disposed on the first surface, third and fourth external electrodes disposed on the second surface, a first via conductor that electrically connects the first external electrode to the first internal electrode and to the third external electrode and that contains a metal oxide, and a second via conductor that electrically connects the second external electrode to the second internal electrode and to the fourth external electrode and that contains a metal oxide, wherein, in each of the first and second via conductors, the metal oxide content at an end on the second surface side is higher than the metal oxide content at a center or at an end on the first surface side.
Murata Manufacturing Co., Ltd
H H H H H H H H H H H H H H H H H H
H01L H01G H01L H01L H05K H01L H01L H01L H01L H01L H01L H01L H05K H05K H01L H01G H01L H01L
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Masashi Yoshio Hidetaka Masaaki
Nishimura Kawaguchi Fukudome Taniguchi