Multilayer ceramic capacitor and manufacturing method thereof

Details Multilayer ceramic capacitor and manufacturing method thereof Multilayer ceramic capacitor and manufacturing method thereof

2006-06-06

2006-06-06

Thomas, Eric W. (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S321500, C501S137000

Reexamination Certificate

active

07057876

ABSTRACT:
A multilayer ceramic capacitor comprises a dielectric layer and an internal electrode layer that are alternately laminated. Barium titanate particles containing an alkaline earth metal component except for Ba in a proportion of not more than 0.2 atomic % (BMTL), and barium titanate particles containing an alkaline earth metal component except for Ba in a proportion of not less than 0.4 atomic % (BMTH) coexist in the dielectric layer in an area ratio of BMTL to BMTH of 0.1 to 9. This provides excellent reliability of capacity temperature characteristic and high-temperature load lifetime, if the dielectric layer is thinned.

REFERENCES:
patent: 4863883 (1989-09-01), Menashi et al.
patent: 5014158 (1991-05-01), Nishimura et al.
patent: 6291380 (2001-09-01), Yokoi et al.
patent: 09-241075 (1997-09-01), None
patent: 2000-058378 (2000-02-01), None
patent: 2001-230149 (2001-08-01), None

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