Sapphire Substrates for LEDs

PHOTO: Sapphire Substrates for LEDs

Sapphire substrates are highly regarded by the LED industry for their reliability, abundance and cost efficiency.

Our substrates for growing LED crystals are used by many LED manufacturers. Kyocera has extensive experience in every stage of the production process, from growing the crystals to processing and inspection. We contribute to the industry by providing a steady supply of substrates and by supporting cost reductions.


  • Thermal Stability
  • Chemical Stability
  • High Strength
We support custom products from prototypes to mass production. Please contact us to explore options, even if your specifications are different from those shown on our Web site.
  • Product specs

Product specs

Material Single-Crystal Sapphire
Size up to 6"
Precision Standard Specifications (mm)
8": φ200±0.25×0.725±0.05
6": φ150±0.25×0.625±0.05
5": φ125±0.25×0.625±0.05
4": φ100±0.25×0.53±0.05
3": φ76.2±0.25×0.43±0.05
2": φ50.8±0.25×0.33±0.05
Download catalog

Single-Crystal Sapphire(PDF/2MB)PDF