Crystal Boule Diameter Grinder Workhead from Japan
Precision workhead assembly with servo drive for grinding semiconductor boules to diameters from 150-450mm with 0.01mm tolerance. Part of crystal grinder machinery for heading 8430. Classifies 8431.49.90.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.2215%Section 232: derivative steel (c)(xi), product of AR/EC/SV/GT/JP/KR/LI/CH/TW/GB/EU — 15%
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Provide servo accuracy specs and boule material compatibility (Si, GaAs)
• Avoid complete machine classification under 8460
• CNC certification often required