Silicon Wafers for US Semiconductor Fab
Prime silicon wafers imported for photolithography, etching, and doping into integrated circuits manufactured in US semiconductor foundries. Classifies under 9813.00.05.20 as material processed into US electronic components.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as semiconductor manufacturing materials
Silicon wafers not specifically for US processing fall under Chapter 38 chemical materials
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Import Tips & Compliance
• Include foundry process flow documentation proving wafer-to-die transformation
• Maintain cleanroom processing records for Customs verification of substantial transformation
• Pre-diced wafers may classify as parts under Chapter 85 rather than processing material
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