Crystal Boule Flattener Attachment from Japan
Precision flattener tool attachment for grinding flats on semiconductor crystal boules to indicate resistivity and dopant type. HTS 8451.90.90 part of crystal grinder equipment per statistical note (a)(ii)(A). Creates industry-standard flat orientations on 200-300mm diameter boules.
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%
Import Tips
• Document flat length tolerances (±0.1mm) and angular positioning accuracy
• Include boule material compatibility (Si, GaAs, InP) specifications