Crystal Boule Grinder from China
Precision grinder that shapes semiconductor crystal boules to exact diameter and grinds orientation flats indicating conductivity type and resistivity. Falls under HTS 8445.90.00.00 per statistical note (a)(ii)(A) for wafer preparation equipment in semiconductor processing.
Duty Rate — China → United States
23.7%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Submit boule diameter specs and flat grinding tolerances to confirm wafer prep classification
• Pair with end-use statement for semiconductor boule processing