Stochiometric Silicon Nitride LPCVD


  • Typical film thickness: 0.1 - 2 µm
  • Refractive index at 550 nm / 1.98 - 2.0
  • Batch Size: 50
  • Deposition rate: 3 - 4.5 nm/min
  • Gases: dichlorosilane, ammonia
  • Uniformity: ± 3%
  • Residual Stress: 1000 - 1250 MPa
  • Deposition Gas Ratio: 3:1
  • Deposition Temperature: 800 - 830 °C Gradient



LPCVD Processes