Patent ID: 6452312
Filing Date: 2002-09-17
Classification: H01L

Abstract:
A piezoelectric laminate body comprising a plurality of unit laminate bodies, each of said unit laminate bodies is an alternate electrode structure type including a center electrode portion and alternate electrode portions; said center electrode portion is a driving unit and said alternate electrode portions are a non-driving unit disposed on both sides of said center electrode portion;wherein one said unit laminate body on the upper side among a plurality of said unit laminate bodies is laminated serially at said center electrode portion thereof in such a fashion that it is deviated, at said both-side alternate electrode portions thereof, by a predetermined angle with respect to said both-side alternate electrode portions of another said unit laminate body just below said one unit laminate body in a laminating direction while it is separated from both said alternate electrode portions of said another unit laminate body just below said one unit laminate body.