Monolithic capacitor, circuit board, and circuit module

Details Monolithic capacitor, circuit board, and circuit module Monolithic capacitor, circuit board, and circuit module

2007-08-10

2008-09-30

Ha, Nguyen T (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S306100, C361S303000, C361S321100, C361S321200, C361S313000

Reexamination Certificate

active

07430107

ABSTRACT:
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.

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