Semiconductor Wafer Cleanliness Tester
Optical tester for non-destructive measurement of surface particulate and organic contamination on bare silicon wafers. Employs dark-field microscopy for real-time cleanroom monitoring. Qualifies under HTS 9031.49.70.00 for measuring surface particulate contamination on semiconductor devices.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general chemical test equipment
Not dedicated to semiconductor surface particulates, falling under other machines testing liquids/gases
If considered medical image intensifier parts
Chapter exclusions redirect non-medical optical instruments
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document particle size detection range (e.g
• 20nm-10μm) and throughput specs for customs review
• Obtain FDA equivalence if dual-use in pharmaceutical cleanrooms, though primarily semiconductor
• Bundle with stage adapters only if specified for wafer sizes; otherwise classify separately
Related Products under HTS 9031.49.70.00
DUV Mask Metrology Station
Deep ultraviolet metrology station for measuring chrome patterns, quartz thickness, and defectivity on DUV photomasks used in semiconductor fabs. Automated for high-volume inspection. HTS 9031.49.70.00 for semiconductor mask inspection.
Semiconductor Mask Inspection System
An optical inspection system designed specifically for detecting defects in photomasks and reticles used in semiconductor photolithography processes. It employs high-resolution imaging and automated analysis to ensure mask quality before wafer patterning. Classified under HTS 9031.49.70.00 due to its specialized function for inspecting semiconductor manufacturing masks.
Wafer Surface Particle Counter
A laser-based airborne and surface particle measurement tool for quantifying particulate contamination on semiconductor wafers during fabrication. It scans surfaces to detect particles as small as 10nm, ensuring cleanliness standards. Falls under HTS 9031.49.70.00 for its role in measuring surface particulate contamination on semiconductor devices.
Reticles Defect Scanner
High-precision scanner for inspecting reticle defects in extreme ultraviolet (EUV) lithography masks used in advanced semiconductor nodes. Utilizes UV light and AI algorithms for sub-10nm defect detection. Covered by HTS 9031.49.70.00 as equipment for inspecting masks in semiconductor manufacturing.
Photomask Pattern Analyzer
Automated analyzer that measures critical dimensions and overlay accuracy on photomasks for semiconductor production. It uses interferometry to verify pattern fidelity against design data. HTS 9031.49.70.00 applies for mask inspection in semiconductor device manufacturing.
EUV Mask Inspector
Specialized inspector for extreme ultraviolet lithography masks, detecting phase defects and absorber irregularities critical for 5nm+ semiconductor nodes. Features actinic wavelength imaging. HTS 9031.49.70.00 for semiconductor mask inspection equipment.