Silicon Boule Grinder Flattening Fixture from China
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 — China → United States
42.2%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include angle tolerance specifications (typically ±0.5°); provide semiconductor doping indication correlation data; ensure fixture material prevents silicon contamination