Applications
MPCVD Diamond Dome Tweeter Diaphragm Loudspeaker Earphone Headphone
---Unleashing the Full Potential of High-Frequency Acoustics with CVD Diamond Domes----
All DIASEMI diamond dome tweeters are manufactured only by MPCVD process delivers the highest possible quality
DIASEMI is the trusted primary supplier of CVD diamond tweeter domes for top-tier loudspeaker manufacturers. We engineer ultra-thin, lightweight diamond domes that set new standards in acoustic performance. With a Young’s modulus of ~1,200 GPa and thermal conductivity exceeding 1500 W/m·K, our domes support pistonic motion beyond 40 kHz—delivering crystal-clear high frequencies with minimal distortion or breakup.
Ideal for high-end loudspeakers, studio monitors, and luxury automotive sound systems, DIASEMI’s diamond domes embody the pinnacle of material science and acoustic engineering
Grown on precision substrates and chemically etched into free-standing diaphragms, our diamond domes are tailored for voice coil assemblies ranging from 5 mm to 160 mm. This advanced material and fabrication approach yields unmatched stiffness, thermal stability, and surface quality, redefining what is possible in:
We also offer seamless integration with our expertise in high-performance diamond wafers, creating synergy across applications where extreme mechanical and thermal properties are essential.
Technical Specifications
| Parameter | Specification |
|---|
| Thickness | ~50–1500 μm |
| Dome Diameter | 15-65 mm (Customizable) |
| Surface Finish (RMS Roughness) | <10 nm |
| Speed of Sound in Diamond | ~18,000 m/s |
| Thermal Conductivity | >1500 W/m·K |
| Coefficient of Thermal Expansion | ~1 × 10⁻⁶ /K |
| Breakup Frequency (First Resonance) | Typically > 40 kHz (geometry dependent) |
| Transparency (thin films) | ~70% (varies by thickness and method) |
Surface coating titanium,platinium ,gold ,copper( texure and pattern possible)
With skirt or without skirt
All customizable
