| 摘要 |
PROBLEM TO BE SOLVED: To provide a layered capacitor which can reduce the extension and contraction due to the piezoelectric effect as much as possible. SOLUTION: A part 12a which is constituted of only dielectric material exists between a first capacitor C11 and a second capacitor C12. Parts 12b which are constituted of only dielectric material surrounding the first and the second capacitor parts C11, C12 exist at both ends in lengthwise direction and at both ends in height direction. Parts 12c which are mostly constituted of dielectric material exist at both ends of a chip 12 in the widthwise direction. A pair of external electrodes 14 cover both ends of the chip 12 in the widthwise direction. Suppression effect to the change in the length, width and height directions is obtained by the dielectric materials 12a, 12b and 12c and the external electrode 14. The extension and contraction in the layered capacitor 11 by the piezoelectric effect can be reduced as much as possible. COPYRIGHT: (C)2004,JPO&NCIPI
|
