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飘零 任 2006-08-14 09:16:13

我公司是做压电堆叠陶瓷的,但是形状是螺旋弯曲状的,共有三个电极层,两个陶瓷层,而每个陶瓷层间又有四个小电极层(没有引出来而已),但是发现在经过极化之后发现所测出来的电容有的比极前的还低,有的比正常的高出近一倍。请问这是怎么回事?谢谢!
Tao Li  2006-08-18 16:22:00

四方相区,极化后介电系数可能升高。菱面体区,可能下降。 会不会串并联的问题 会不会电极短路,造成实际厚度变短。因为电容反比于厚度。 

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