Monolithic ceramic capacitor

Details Monolithic ceramic capacitor Monolithic ceramic capacitor

1998-02-03

1999-11-30

Kincaid, Kristine

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

3613214, 3613063, 361313, 361309, 501134, 501137, H01G 406, H01G 4228, H01G 420

Patent

active

059953608

ABSTRACT:
A monolithic ceramic capacitor composed of laminated plural dielectric ceramic layers, internal electrodes disposed between the dielectric ceramic layers and external electrodes formed at both the edge surfaces of the dielectric ceramic layers such that they are alternately connected to the internal electrodes, wherein the dielectric ceramic layers are composed of a material comprising principal components shown by the formula: (1-.alpha.-.beta.){BaO}.sub.m .cndot.TiO.sub.2 +.alpha.{(1-x)M.sub.2 O.sub.3 +xRe.sub.2 O.sub.3 }+.beta.(Mn.sub.1-y-z Ni.sub.y Co.sub.z)O (wherein M.sub.2 O.sub.3 is at least one of Sc.sub.2 O.sub.3 and Y.sub.2 O.sub.3 ; Re.sub.2 O.sub.3 is at least one of Gd.sub.2 O.sub.3, Tb.sub.2 O.sub.3 and DY.sub.2 O.sub.3 ; 0.0025.ltoreq..alpha..ltoreq.0.025, 0.0025.ltoreq..beta..ltoreq.0.05, .beta./.alpha..ltoreq.4, 0<x.ltoreq.0.50, 0.ltoreq.y<1.0, 0.ltoreq.z<1.0, 0.ltoreq.y+z.ltoreq.1.0, and 1.000<m.ltoreq.1,035), and containing definite amounts of MgO and SiO.sub.2 as side components.

REFERENCES:
patent: 5731950 (1998-03-01), Sakamoto et al.
patent: 5742473 (1998-04-01), Sano et al.
patent: 5801111 (1998-09-01), Wada et al.
patent: 5815368 (1998-09-01), Sakamoto et al.
patent: 5822176 (1998-10-01), Sano et al.
patent: 5835340 (1998-10-01), Wada et al.
patent: 5862034 (1999-01-01), Sato et al.

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