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2841.90.40.00/Lanthanum Aluminate Substrate/Japan

Lanthanum Aluminate Substrate from Japan

Lanthanum aluminate (LaAlO3) single crystal substrates for epitaxial thin-film growth in superconductors. Unworked crystals under HTS 2841.90.40.00 per notes on doped elements. 2-inch diameter wafers.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Lattice constant cert (3.79Å); cleanroom packaging

• Reclass risk to 3818 if polished