Double-Sided Polished Doped Silicon Wafers from China
Precision-polished silicon wafers doped on both sides for advanced sensors and MEMS fabrication. Ensures flatness for thin-film deposition in electronics. Covered by HTS 3818.00.00.95.
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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Total thickness variation (TTV) <1um certification critical
• Site flatness maps prevent undervaluation disputes