Crystal Grinder Diameter Control Drive from Japan
Precision speed changer for grinding semiconductor crystal boules to exact wafer diameters. Statistical note (a)(ii)(A) coverage under HTS 8486.40.70.00. Controls grind rate for conductivity flat indication.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Reference statistical note for crystal grinders explicitly
• Diameter tolerance and flat grinding specs essential
• Semiconductor application documentation accesses special rates