Plasma Etch Chamber Cooling Loop from Canada
Closed-loop cooling system for plasma etch reactor chambers, removing heat from RF electrodes and wafer chucks during dielectric etch processes. HTS 8419.89.9540 machinery for semiconductor temperature-controlled material treatment. Handles 500W+ power densities.
Duty Rate — Canada → United States
64.2%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document etch rate dependency on chuck temperature uniformity
• Specify RF power handling and vacuum chamber integration