Automated Wafer Particle Counter
This automated wafer particle counter is a dark-field optical microscope system that automatically counts and sizes contamination particles on unpatterned semiconductor wafers. It is critical for yield optimization in wafer fabrication cleanrooms. This product falls under tariff item 9031.41.00 as an optical instrument for inspecting semiconductor wafers.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the counter is used for inspecting non-semiconductor surfaces
This alternative covers other optical inspection instruments, which may apply if the system's use extends beyond semiconductor wafers.
If the system is primarily a microscope for particle review
Microscopes are classified under this heading, and if the primary function is microscopic examination, this could be an alternative.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify this counter under 9031.41.00 as it is specifically designed for inspecting semiconductor wafers
• The CBSA may require documentation showing the dark-field optical technology and its use for particle detection
• If the system includes a computer for data analysis, ensure its value is included in the declared transaction value
Related Products under Tariff item 9031.41.00
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A 3D NAND wafer structure inspector is a specialized optical scatterometry system that measures 3D NAND flash memory structures on semiconductor wafers. It analyzes complex stacked layer dimensions critical for advanced memory device manufacturing. This product is classified under tariff item 9031.41.00 as an optical inspection instrument for semiconductor wafers.
Advanced Packaging Wafer Inspector
An advanced packaging wafer inspector is an optical inspection system designed for fan-out wafer-level packaging (FOWLP) semiconductor wafers. It checks redistribution layers and underfill voids, making it essential for heterogeneous integration in advanced semiconductor packaging. This product is classified under tariff item 9031.41.00 as an optical inspection instrument for semiconductor wafers.
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