Wafer Slicing Diamond Saw from Japan
Wafer slicing saws with diamond blades cut ultra-thin semiconductor wafers from monocrystalline boules while minimizing damage. Classified HTS 8443.99.5050 as printing machinery accessories for semiconductor wafer manufacturing per statistical note (a)(ii)(B). Kerf loss control is critical for yield optimization.
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
• Include blade specifications showing <50 micron kerf; critical for classification
• Document cleanroom compatibility (ISO Class 1); avoids general saw classification