Seed Crystal Holder Clip from Japan
Tungsten clip assembly for precisely holding seed crystals during Czochralski pulling in silicon wafer production equipment. Thermal shock resistant design for 1450°C process temperatures in 8456.11 crystal growers.
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 thermal expansion coefficients; specify seed diameter range compatibility; ensure tungsten purity certification