| 摘要 |
PROBLEM TO BE SOLVED: To form a slit with a small pitch without performing mechanical machining, by forming slits in parallel with electrode layers between the laminated electrode layers. SOLUTION: Internal electrodes 12a and 12b are buried into a piezoelectric ceramic lamination body 11 while they are alternately exposed on both side surfaces, and slits 13 are formed in parallel with the internal electrodes 12a and 12b while allowing the piezoelectric ceramic lamination body 11 to partially remain at each specific number of the internal electrodes 12a and 12b. A lamination piezoelectric element 10 is constituted by including the piezoelectric ceramic lamination body 11, the internal electrodes 12a and 12b, and the slits 13. In this way, the slits 13 are formed by the chiappearance of a pasty substance layer, reducing the thickness of the slits 13, drastically compared with the thickness of the slits by mechanical machining, and drastically miniaturizing the lamination piezoelectric element 10. |
