Silicon Boule Flattener Jig from Japan
Custom jig fixture for holding semiconductor silicon boules during flat grinding operations that create orientation flats indicating crystal properties. Mechanical alignment tool only. Falls under 8487.90.00 unspecified parts.
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 jig drawings showing flat angle specifications per SEMI standards
• Confirm compatibility with boule grinders only
• Avoid classification as generic tooling