Crystal Boule Flattener Attachment from Canada
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 — Canada → United States
13.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document flat length tolerances (±0.1mm) and angular positioning accuracy
• Include boule material compatibility (Si, GaAs, InP) specifications