– – – Parts and accessories including printed circuit assemblies of optical instruments and appliances for inspecting semiconductor wafers or devices or for inspecting masks, photomasks or reticles used in manufacturing semiconductor devices; parts and accessories of optical instruments and appliances for measuring surface particulate contamination on semiconductor wafers

Commodity Details Chapter 90.31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors. Heading 9031.90 – Parts and accessories : Subheading 9031.90.10 – – For electrically...

– – Other

Commodity Details Chapter 90.31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors. Heading 9031.80 – Other instruments, appliances and machines : Commodity 9031.80.90 –...

– – Cable testers

Commodity Details Chapter 90.31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors. Heading 9031.80 – Other instruments, appliances and machines : Commodity 9031.80.10 –...

– – – Other

Commodity Details Chapter 90.31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors. Heading 9031.40 – Other optical instruments and appliances : Subheading 9031.49 – –...