Semiconductor Wafer Lapper from Canada
Machine that lap-grinds both sides of semiconductor wafers simultaneously to achieve precise thickness uniformity and flatness. Classified under HTS 8479.89.95.99 as wafer preparation equipment per statistical note (a)(ii)(C). Prepares wafers for final polishing and fabrication.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Provide TTV (total thickness variation) specs (<0.5 microns typical) to prove semiconductor precision
• Include slurry handling systems documentation showing CMP compatibility
• Avoid misclassification as general lapping machines by specifying 200-450mm wafer carriers