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US 5,853,515 AGranted
Process for producing a multilayer ceramic capacitor
AssigneeMurata Manufacturing Co., Ltd.
InventorsHarunobu Sano, Yukio Hamaji
Life of this patent
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Abstract
A multilayer ceramic capacitor and a process for producing the same, which comprises dielectric ceramic layers, internal electrodes disposed between the dielectric ceramic layers, and an external electrode connected to the internal electrodes, the dielectric ceramic layers comprising barium titanate, a bismuth compound, and an anti-reducing agent, the internal electrodes comprising nickel or a nickel alloy.
Claims6
A process for producing a multilayer ceramic capacitor which comprises the steps of:
- forming, by a thin-film forming method, a nickel or nickel alloy layer on ceramic green sheets comprising barium titanate, a bismuth compound, and an anti-reducing agent;
- superposing said ceramic green sheets on one another to form an assemblage;
- and
- subjecting said assemblage to high-speed firing,
- wherein the high-speed firing comprises heating the assemblage at an oxygen partial pressure of 10.sup.-6 to 10.sup.-10 MPa to a temperature in the range of 1000.degree. to 1180.degree. C. at a heating and cooling rate of 10.degree. C. per minute or greater.
2 more elements
Dependencies are inferred from the claim text.