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Product Introduction

Electro-ceramic products

Specifications

  • Standard piezoelectric ceramic materials
Item Symbol Unit Material name
L-1 L-6A L--201F L-11 L-9 L-155N L-145N H-8
Dielectric constant ε33T/ε0 – 2800 3250 3200 4000 5100 5700 6600 1350
Dielectric loss tanδ % 1.5 1.4 2.0 1.8 2.3 2.2 2.4 0.3
Electromechanical coupling coefficient kp % 69 72 70 70 71 71 71 61
k31 % 40 45 44 43 44 42 43 35
k33 % 76 79 79 75 77 77 75 72
kt % 52 52 53 51 52 51 52 49
Frequency constant Np Hz･m 1900 1890 1945 1930 1890 1870 1910 2200
N31 Hz･m 1375 1430 1440 1420 1410 1430 1430 1620
N33 Hz･m 1290 1200 1285 1320 1300 1350 1310 1490
Nt Hz･m 1990 1980 2070 2060 2040 2070 2050 2020
Piezoelectric constant d31 ×10−12m/V −260 −305 −295 −323 −370 −370 −410 −133
d33 ×10−12m/V 560 678 620 648 745 760 820 312
g31 ×10−3m/V −10.5 −10.6 −10.4 −9.1 −8.1 −7.4 −7.1 −11.1
g33 ×10−3m/V 22.3 23.6 21.9 18.3 16.4 15.1 14.0 26.1
Elastic constant s11E ×10−12m²/N 17.1 16.0 15.6 16.3 15.7 15.5 15.7 12.0
s33E ×10−12m²/N 21.5 25.6 22.0 21.0 20.9 19.6 20.7 15.7
c11E ×1010N/m² 12.7 14.4 15.2 13.2 13.7 13.6 13.2 14.4
c33E ×1010N/m² 11.9 11.4 12.6 12.4 12.5 12.9 12.4 12.3
Mechanical quality factor Qm – 65 70 60 50 40 50 50 2500
Density ρ ×103㎏/m³ 7.7 7.6 7.8 7.6 7.9 7.9 7.8 7.9
Curie temperature Tc °C 280 235 230 210 165 155 145 320
Main applications Various probes Medical ultrasound probes High frequency ultrasound cleaners
  • Standard electrode types
    Gold plating (over nickel plating), Fired silver
  • Standard resins used for composites
    Epoxy resin, Low-density resin<
* For other specifications, please inquire.
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