Rebuilt Wafer Lapping Machine NTC-82S from Japan
Used numerically controlled lapping machine for flattening semiconductor wafers to optical tolerances by cermet removal. HTS 8461.90.30.60 covers this rebuilt tool for other metalworking processes. Critical step after grinding in wafer preparation.
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
• Document lapping plate material and flatness specs (e.g
• <1μ)
• Obtain SEMI-GAS compatibility certification