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Piezoelectric ceramic composition and laminate structure variation component manufacture process using it

This invention is about the piezoelectric ceramic composition and laminate structure variation component manufacture process using it. It is about the composition which enabled lower temperature sintering than the current one because the additives are substituted. By substitution, practical piezoelectric composition operates at the temperature of 1000oC ~ 1050oC and it is applicable for displacement component that requires high mechanical displacement with relatively low voltage.