Multilayer ceramic capacitor

Details Multilayer ceramic capacitor Multilayer ceramic capacitor

2006-02-14

2006-02-14

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S321500, C501S138000

Reexamination Certificate

active

06999302

ABSTRACT:
In a multilayer ceramic capacitor of the present invention, a first rare earth element (R1) and a second rare earth element (R2) respectively diffuse in each of crystal grains forming dielectric layers and, assuming that, in the crystal grains each having an average grain diameter D, a ratio of a depth d1 of a diffusion layer of the first rare earth element (R1) from the surface of the crystal grain relative to the diameter D of the crystal grain is given as X1(%) and a ratio of a depth d2 of a diffusion layer of the second rare earth element (R2) from the surface of the crystal grain relative to the diameter D of the crystal grain is given as X2(%).

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U.S. Appl. No. 11/165,286, filed on Jun. 24, 2005, Ito, et al.
U.S. Appl. No. 11/077,281, filed on Mar. 11, 2005, Iguchi, et al.

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