| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminate that is resistant to decrease in sensitivity.SOLUTION: A laminate has a crystalline polymer piezoelectric material having molecular orientation, and a surface layer in which a relationship between tensile elasticity Ec (GPa) and thickness d (μm) satisfies the following formula (A): 0.6≤Ec/d.SELECTED DRAWING: None |
