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Piezoelectric material Cerawave® (piezoelectric element)-NP-6
Piezoelectric material Cerawave® (piezoelectric element)-NIKKO COMPANY

Piezoelectric material Cerawave® (piezoelectric element)
NIKKO COMPANY

NIKKO COMPANY's Response Status

Response Rate

100.0%

Response Time

95.3hours


About This Product

■Summary

Cerawave® is a piezoelectric element made by printing conductors on piezoelectric green sheets, laminating and firing them. Voltage control generates vibrations due to minute changes in expansion and contraction, making it suitable for control mechanisms that require high precision and high-speed response. Cerawave® is available in three types of materials (NP-6, NP-7, and NP-T1). NP-6 A hard material with a high mechanical quality factor Qm value, suitable for applications that utilize ultrasonic vibrations generated at resonant frequencies. It has high energy conversion efficiency and generates little heat when operating at the resonant frequency. A small-sized, high-torque actuator can be realized. NP-7 is a soft material with a Qm value of 100 or less, a high piezoelectric strain constant d value, and a high dielectric constant ε, making it suitable for applications such as actuators, sensors, and speakers that take advantage of high displacement. NP-T1 has properties intermediate between NP-6 and NP-7, and is characterized by a high phase transition temperature (Curie temperature Tc). It is resistant to polarization loss due to the thermal history of component mounting, making it suitable for use in high temperature ranges. It is also possible to operate by applying an electric field opposite to the polarization direction, making it ideal when you want bimorph-like behavior. Cerawave® is a registered trademark of our piezoelectric element. Features

■Thin laminate products possible

The advantages of using a stacked type include ``larger displacement,'' ``faster response speed,'' ``higher resolution,'' and ``lower input voltage.''

■Customized products made from three types of piezoelectric materials to suit your needs

There are no standard products for Cerawave®, and all products are custom made. Customization of various shapes is possible. We propose materials that meet customer requirements such as low loss, large displacement, and expanded operating temperature range.

■Products used

・Piezoelectric speaker ・Tactile sensor (haptic technology) ・AF (autofocus) actuator ・Ultrasonic motor

■Material properties

・Compliance constant S11E (×10^-12m2/N): 11.8 ・Compliance constant S33E (×10^-12m2/N): 16.8 design guidelines

■Standard specifications

・Maximum external dimensions: 80×80mm ・Thickness: 15mm or less ・Layer thickness: 30μm~ ・Via diameter: 0.1,0.15mm ・Electrode material: Silver-based *The item values ​​are representative values ​​and are not guaranteed values.

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    Piezoelectric material Cerawave® (piezoelectric element)

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1 Models of Piezoelectric material Cerawave® (piezoelectric element)

Image Part Number Price (excluding tax) Electromechanical coupling coefficient kr (%) Electromechanical coupling coefficient k33 (%) Electromechanical coupling coefficient k31 (%) Dielectric loss tanδ (%) Features Relative permittivity ε33T/ε0 Mechanical quality factor Qm Density ρ (%) Piezoelectric strain constant d33 (×10^-12m/V) Piezoelectric strain constant d31 (×10^-12m/V) Piezoelectric output constant g33 (×10^-3V・m/N) Piezoelectric output constant g31 (×10^-3V・m/N) Young's modulus Y33E (×10^10N/m2) Young's modulus Y11E (×10^10N/m2) Poisson's ratio σ Curie point Tc (℃)
Piezoelectric material Cerawave® (piezoelectric element)-Part Number-NP-6

NP-6

Available upon quote

57

69

33

0.5

HighQm material
used in resonance
hard material

1,800

1,400

7.9

353

-141

Twenty two

-10

6

8.5

0.33

280

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About Company Handling This Product

Response Rate

100.0%


Response Time

95.3hrs

Company Overview

Nikko Company, founded in 1908 and headquartered in Hakusan, Japan, is an ISO 14001-certified manufacturer of ...

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