Wafer Bow Measurement Fixture from Mexico
Fixture that holds wafers during bow/warp measurement in grinding process control stations. Designed for wafer grinder/polisher equipment of heading 8428. Parts in 8431.39.00.
Duty Rate — Mexico → 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 bow measurement range (sub-micron); cleanroom class 1 compatibility
• Pitfall: chapter 90 measuring instrument confusion