Wafer Thickness Gauging Sensor Mount from Mexico
Aluminum precision mount that positions capacitive thickness sensors on wafer grinders (8429) for in-situ monitoring during semiconductor wafer thinning to ±0.5 micron tolerance. 8431.49.9020 attachment.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Sensor repeatability (±0.1μm) and grinder model compatibility docs
• Distinguish from chapter 90 instruments via mounting function
• Standalone sensor mounts may go to 9031