Silicon Boule Flattener from Japan
Machine for grinding flats on silicon boules to denote crystal orientation and doping type, with precise temperature management during surface generation. Part of wafer prep sequence. Fits 8419.90.50.80 classification.
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
• Document flat length/position tolerances per SEMI M1; specify resistivity marking conventions; include alignment verification