Crystal Boule Planer Grinder from Germany
Heavy-duty planer grinder used to achieve precise diameter and flatness on monocrystalline silicon boules before wafer slicing, employing Czochralski-grown crystals. Falls under HTS 8461.90.60.30 as specialized planing equipment removing silicon (cermet-like material) in semiconductor manufacturing. Includes diamond tooling and metrology feedback systems for sub-micron accuracy.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include crystal grower process flow documentation to demonstrate boule preparation role per statistical notes
• Label as 'semiconductor manufacturing equipment' and specify planing function to prevent misclassification