MONOLITHIC CERAMIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME

摘要

A monolithic ceramic capacitor that contains a perovskite compound including Ba and Ti and at least one type of element selected from Gd, Tb, and Dy, and contains elements selected from Y, Si, Mn, Mg, and Zr. The content a of at least one element selected from Gd, Tb, and Dy satisfies 0.2≦a≦0.8, the content b of Y satisfies 0.0≦b≦0.5, the content c of Si satisfies 0.0≦c≦2.5, the content d of Mn satisfies 0.0≦d≦0.25, the content e of Mg satisfies 0.0≦e≦1.2, the content f of Zr satisfies 0.0≦f≦0.5, and the molar ratio m of the content of Ba/(f+the content of Ti) satisfies 0.99≦m≦1.01, where the total content of Ti is 100 parts by mole.

主权项

1. A monolithic ceramic capacitor comprising:
a multilayer body having a plurality of dielectric ceramic layers and a plurality of inner electrodes disposed at interfaces between the plurality of dielectric ceramic layers; and outer electrodes on the outer surface of the multilayer body and electrically connected to the inner electrodes, wherein the multilayer body contains a perovskite compound including Ba and Ti, contains at least one type of element selected from the group consisting of Gd, Tb, and Dy, and contains elements selected from the group consisting of Y, Si, Mn, Mg, and Zr, (a) the content a (parts by mole) of the at least one type of element selected from the group consisting of Gd, Tb, and Dy is 0.2≦a≦0.8, (b) the content b (parts by mole) of Y is 0.0≦b≦0.5, (c) the content c (parts by mole) of Si is 0.0≦c≦2.5, (d) the content d (parts by mole) of Mn is 0.0≦d≦0.25, (e) the content e (parts by mole) of Mg is 0.0≦e≦1.2, (f) the content f (parts by mole) of Zr is 0.0≦f≦0.5, and (g) the molar ratio m of the content of Ba/(the content of Zr+the content of Ti) is 0.99≦m≦1.01, where a total content of Ti is 100 parts by mole.