NC Wafer Backside Grinder from Canada
Numerically controlled grinder removing backside material from semiconductor wafers to achieve target thickness post-processing. Classified HTS 8461.50.4050 as NC machine tool for cermet removal in wafer preparation per statistical notes. Critical for stress relief and TTV control.
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify grind wheel composition (diamond/CBN) and thickness control specs (micron-level)
• Include wafer handling systems documentation confirming semiconductor compatibility
• Verify cleanroom particle generation data for regulatory compliance