Laser Doppler Wafer Vibrometer from Canada
Non-contact laser Doppler vibrometry system measuring wafer vibration modes and chucking stability during processing. Critical for overlay improvement. Borderline HTS 9031.41.00.40 for wafer optical inspection applications.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Frequency response range (DC-20MHz) and velocity sensitivity specs required
• Prove wafer chucking application vs general vibrometry
• Risk reclassification as acoustic measurement under 9031.80