Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1997-07-18
1998-11-10
Ledynh, Bot L.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361303, 361305, 3613061, 3613063, 3613081, 361309, 361310, 361311, 361313, 361320, 3613211, 3613214, H01G 406, H01G 420, H01G 4228, H01G 220
Patent
active
058353402
ABSTRACT:
A monolithic ceramic capacitor having a plurality of dielectric ceramic layers, internal electrodes, and external electrodes electrically connected to the internal electrode, wherein the dielectric ceramic layers comprise (a) barium titanate having an alkali metal oxide impurity content of not more than about 0.02% by weight, (b) scandium oxide and/or yttrium oxide, (c) gadolinium oxide, terbium oxide and/or dysprosium oxide, (d) manganese oxide, (e) cobalt oxide, and (f) nickel oxide, and is a material containing (1) 100 mols represented by the compositional formula:
REFERENCES:
patent: 5225960 (1993-07-01), Kishi et al.
patent: 5659456 (1997-08-01), Sano et al.
Sakamoto Norihiko
Sano Harunobu
Wada Hiroyuki
Ledynh Bot L.
Murata Manufacturing Co. Ltd.
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