Crystal Boule Melt Stirrer from Japan
Magnetic or mechanical stirrer for semiconductor melt crucibles ensuring dopant uniformity during crystal growth, preventing striations in finished silicon ingots. HTS 8479.82.0040 classification for stirring machines in wafer manufacturing equipment per statistical note (a)(i). Critical for resistivity control across wafer diameter.
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
• Specify rotation speeds (10-50 RPM) and magnetic coupling specs for melt containment
• Provide crucible compatibility certification for silicon/gallium arsenide processing