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

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Specify flat positions (e.g

primary/secondary) matching industry standards

Use advance rulings for 'other' subcategory confirmation