8419.89.95.40/Epitaxial Reactor Cold Wall System/Japan

Epitaxial Reactor Cold Wall System from Japan

Cold wall cooling assembly for MOCVD epitaxial reactors, maintaining chamber walls at stable low temperatures during high-heat thin film deposition on wafers. Falls under 8419.89.9540 as cooling equipment for semiconductor processing temperature management. Critical for layer uniformity.

Duty Rate — Japan → United States

14.2%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Submit reactor chamber thermal profile data proving cold wall cooling necessity

• Classify as complete cooling system, not reactor part, to avoid 8479