Composite product
Our company also provides a wide variety of piezoelectric composite products.
Our composite technique enables to improve the characteristics of the piezoelectric elements and thus achieve better reception sensitivity of probes, sensors, etc.
We supply composite products with various specifications based on the experience we have produced over the last 15 years.
Please feel free to contact us with your inquiries.
Piezoelectric composite
Integrated composite with improved piezoelectric characteristics by combining resin with piezoelectric material.
Piezoelectric material
- L-155N
- L-155NF
- L-201F
- H-8, etc.
Composite structure
- 2-2 composite
- 1-3 composite
Resin
- Epoxy resin
- Porous resin
Various characteristics can be achieved by selecting different types of resin, piezoelectric material, and composite specifications.
Please feel free to contact us for recommendations based on your specific request.
Composite structure
2-2 composite
1-3 composite
Ceramic width of 30 μm or more, and resin width of 20 μm or more, and thickness of 100 μm or more is available. Please feel free to contact us with your inquiries.
Types and characteristics of resins
| Item | Unit | AZ-2 | A0-B | T-BF |
|---|---|---|---|---|
| Density |
g/cm3 |
1.37 | 0.63 | 0.35 |
| Longitudinal Velocity | m/s | 2580 | 1770 | 1400 |
| Acoustic Impedance | MRayl | 3.53 | 1.12 | 0.49 |
| Attenuation | dB/mm @1MHz |
0.5 | 1.0 | 2 |
| Typical appication | Ultrasonic diagnostic (probe) | Non-destructive Testing, Ultrasonic diagnostic (probe) | Ultrasonic cleaning machine, Non-destructive Testing |
|
| Type | Epoxy resin | Porous resin | Porous resin | |
| Heat resistance |
High Middle Low |
|||
| Hardness |
Hard Middle Soft |
|||
* These data are reference examples.
Comparison of characteristics between ceramic and composite
Below is an example of a comparison of characteristics between the ceramic and composite of our representative material L-155N.
The acoustic impedance is lower and kt is improved in the composite compared to the ceramic.
| Ceramic Material | L-155N | ||
|---|---|---|---|
| Structure | 1-3 composite | Ceramic | |
| Composite structure | pitch : 200 μm ceramic width : 100 μm resin width : 100 μm |
- | |
| Resin | A0-B | - | |
| fr | MHz | 1.99 | 1.96 |
| kt | % | 68 | 51 |
| εr | - | 1380 | 5570 |
| Qm | - | 21 | 99 |
| thickness | mm | 0.68 | 1.06 |
| Volume fraction | vol% | 25 | 100 |
| Density |
g/cm3 |
2.5 | 7.9 |
| Sound velocity | m/sec | 3480 | 4640 |
| Acoustic impedance | MRayl | 8.7 | 36.0 |
