Crystal Flat Lapper from Japan
Crystal flat lappers grind orientation flats on semiconductor boules to denote doping type, classified in HTS 8448.32.0090 for 8445 auxiliary machinery. Supports wafer prep per statistical notes by ensuring boule flatness tolerances.
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
• Specify flat positions (e.g
• primary/secondary) matching industry standards
• Use advance rulings for 'other' subcategory confirmation