Silicon Boule Grinder Flattening Fixture from Mexico
Precision fixture for grinding flats on silicon boules to indicate crystal orientation and resistivity type for subsequent wafer slicing. Classified under HTS 8466.93.98.85 as a special attachment for semiconductor crystal processing machines of heading 8461. Ensures repeatable flat positioning critical for wafer fabrication.
Duty Rate — Mexico → United States
14.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include angle tolerance specifications (typically ±0.5°); provide semiconductor doping indication correlation data; ensure fixture material prevents silicon contamination