8487.90.00/Silicon Boule Flattener Jig/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include jig drawings showing flat angle specifications per SEMI standards

• Confirm compatibility with boule grinders only

• Avoid classification as generic tooling