Phosphorus-Doped N-Type Silicon Wafers from Mexico
High-purity silicon wafers doped with phosphorus for n-type conductivity, used in solar cells and CMOS manufacturing. The doping alters electrical properties specifically for electronic circuitry. HTS 3818.00.00 applies as doped chemical elements in wafer form.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include resistivity and dopant density certificates; mismatches lead to CBP holds
• Package in nitrogen-sealed cleanroom bags to prevent contamination during transit