Epitaxial Boron-Doped Silicon Wafers from China

Silicon wafers with an epitaxial layer doped with boron for advanced CMOS manufacturing and MEMS devices. The epitaxial growth ensures precise thickness control for high-performance electronics. Fits HTS 3818.00.00.95 as other doped wafers for electronics.

Duty Rate — China → United States

50%

Rate breakdown

9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Provide epi-layer specs including thickness, resistivity, and defect maps for customs valuation

Comply with ITAR if dual-use potential; cleanroom certification speeds clearance