Crystal Boule Grinder from China
Precision grinding machine used to grind semiconductor crystal boules to exact diameters and create flats indicating conductivity type and resistivity, as defined in statistical notes for wafer manufacturing equipment. Classified under HTS 8465.96.0051 as a splitting, slicing or paring machine for hard materials like silicon boules. Essential for preparing monocrystalline semiconductor material before wafer slicing.
Duty Rate — China → United States
Rate breakdown
Import Tips
• Verify machine specs match statistical note definitions for semiconductor crystal grinders to avoid reclassification to Chapter 84 heading 8486
• Provide detailed technical documentation proving use in monocrystalline boule processing; common pitfall is insufficient end-use certification
• Ensure FDA or cleanroom compatibility certifications if for silicon/GaAs processing to meet import compliance