PVDF圧電フィルム

項目

仕様

Piezoelectric constant d₃₁

17±1　PC/N

d₃₂

5～6 PC/N

d₃₃

21PC/N 21×10-12

Piezoelectric constant voltage(g₃₃)

200×10-3Vm/N

Dielectric constant (ε/ε₀)

9.5±1.0(IKHZ)

Speed of sounds©

2000m/s

Acoustic impedance

2.5～3

Electromechanical coupling coefficient(K₃₃)

10~14%

Volume resistivity(ρ)

10¹³Ω.㎝

Thermal pyroelectric coefficient(P)

40c/cm².K

Detection sensitivity(4Hz)

10¹¹m.HZ1/2/W

Surface resistance

≤40Ω

Breaking elongation

20~50%

Young’s moudules

2500MPa/psi

Yield strength

45~55  10⁶N/m²

Tensile strength

35－50MPa/psi

Density(밀도)(ρ)

1.78×10³㎏/m³

Poisson’s ratio

0.35

Temperature(T)

-40~80℃

Thickness tolerance

±3~±5%（30~500μm）

Electrode fastness

透明テープで貼っても落ちる現象なし

Modulus of elasticity

2400~2600MPa