Product example
Features
- N-99DLT (Low dielectric loss tangent Alumina ceramics) has Low dielectric loss tangent (10-4) in GHz or MHz band.
- Variety of Low dielectric constant type(ε), low dielectric loss tangent type, stronger type, etc.
- We can produce simple shape parts such as plates, but also small and complex shape parts. Also , we can supply it as filler.
Applications
- Parts for Plasma process like etcher, CVD process
- 5G Mobile communication devices
- Aerospace industries, Rader, Microwave, etc.
- Medical market
- Parts for high-frequency board with high heat resistance and high durability, Parts for antennas, RF Windows, Parts for semiconductor manufacturing equipment
Properties
| Products No. | N-99DLT | N-999DLT | N-75 | N-600 | |
| Materials | Alumina (Aℓ2O399.7%) |
Alumina (Aℓ2O399.9%) |
Forsterite | Cordierite | |
| Bulk desity | g/cm3 | 3.93 | 3.95 | 3.0 | 2.5 |
| Water adsorption | ％ | 0 | 0 | 0 | 0 |
| Flexural Strength | MPa | 289 | 348 | 150 | 150 |
| Young’s module | GPa | 388 | 392 | ━ | ━ |
| Linear expansion coefficient（30～300℃） |
×10-6/℃ | 8.97 | 0.98 | ||
| Volume resistivity | Ω・cm | > 1016 | > 1016 | > 1013 | > 1014 |
| Dielectric constant (Permittivity) ε | 1MHz | ━ | ━ | 6.5 | 4.9 |
| 1GHz | 9.5 | 9.6 | 6.6 | 4.8 | |
| 5GHz | 9.5 | 9.6 | 6.7 | 4.8 | |
| 10GHz | 9.5 | 9.6 | 6.6 | 4.7 | |
| Dielectric loss tanδ (×10-4) |
1MHz | ━ | ━ | 3.0 | 9.0 |
| 1GHz | 0.7 | 0.7 | 2.3 | 28 | |
| 5GHz | 1.1 | 1.0 | 4.7 | 24 | |
| 10GHz | 2.7 | 2.5 | 4.1 | 23 | |
| Symbols used in the graph below | 〇 | △ | □ | ◇ | |
※The above numbers are only representative values and not guaranteed value.
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Graph1 Relative permittivity(ε), and Dielectric loss （tanδ) of each ceramics in 1-10GHz.
Related pages
Properties comparison list : Compare by dielectric constant