Wide-Gap Semiconductor Material Polishing

Material
SiC (Silicon Carbide), GaN (Gallium Nitride), Sapphire Wafers, etc.
Specifications
2, 3, 4, and 6 inch wafers
  • SBIR ≦ 1μm
  • GBIR ≦ 2μm
  • Ra ≦ 0.1nm or less
Quality
Quality assurance by state-of-the-art inspection equipment
  • Candela
  • NIDEK
  • AFM
  • TXRF
  • Edge Profiler
Features
High flatness and heavy metal-free cleaning
  • Substrate Polishing
  • Backside Polishing of Epitaxial Growth Wafers
  • Patterned Wafer Polishing (Planarization + Backside Polishing + Heavy Metal-Free Cleaning)
  • Regeneration Polishing of Used Wafers
  • Chamfering and Laser Marking

Lapping and Polishing Equipment