Crystal Boule Flattener Tool Head from Japan
Diamond tool head for grinding orientation flats on semiconductor crystal boules to indicate resistivity type. Part of crystal grinder systems under HTS 8422.90.91.95 statistical notes. Ensures proper wafer alignment in later processing.
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/angle specs per SEMI standards; pair with boule diameter; cleanroom certification required