Wafer Grinder Spindle Air Bearing Compressor Housing from Canada
Precision housing for hermetic compressors generating clean compressed air for air bearing spindles in wafer grinders, maintaining sub-micron runout for boule diameter control. Essential for semiconductor wafer flat preparation. Under 8414.90.41.55 for crystal grinder compressors.
Duty Rate — Canada → 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
• Include air bearing pressure specs linking to grinder tolerance requirements
• Certify housing for zero particle shedding in cleanroom
• Prove 8414.40 compressor parent vs 8411 turbine classification