LOW FIRING AND HIGH DIELECTRIC-CONSTANT X7R-CERAMIC DIELECTRIC FOR MULTILAYER CAPACITORS BASED ON RELAXOR AND BARIUM-TITANATE COMPOSITE

被引：35
|
作者：
FURUKAWA, O [1 ]
HARATA, M [1 ]
IMAI, M [1 ]
YAMASHITA, Y [1 ]
MUKAEDA, S [1 ]
机构：
[1] MARCON ELECTR CO LTD,CERAM CAPACITORS ENGN SECT,NAGAI,YAMAGATA 993,JAPAN
来源：
JOURNAL OF MATERIALS SCIENCE | 1991年 / 26卷 / 21期
关键词：
D O I：
10.1007/BF01130122
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A temperature stable ceramic dielectric with a low firing temperature (1130-degrees-C) and a high dielectric constant (3700 to 2600) has been developed by sintering the mixture of precalcined lead-based relaxor and prefired modified barium titanate. This dielectric was confirmed to be a two-phase ceramic composite body, according to X-ray diffraction analysis, scanning electron microscopy, transmission electron microscopy and dielectric measurements. A shortcoming of the high dissipation factor in the dielectric has been reduced by incorporating MnO into the barium titanate constituent prior to mixed sintering. This ceramic dielectric meets X7R specifications in the EIA (Electronic Industries Association) standard.
引用
收藏
页码：5838 / 5842
页数：5
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