Float Zone Crystal Growth Compressor from Japan
Compressor designed for float zone crystal pullers that produce high-purity silicon ingots by creating controlled vacuum zones for semiconductor wafer production. Classified in HTS 8414.80.20 as an other compressor for semiconductor processing equipment. It ensures the inert gas atmosphere needed during the melting and zone refinement process.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include technical datasheets proving float zone method usage for semiconductor materials; ensure FDA or cleanroom compatibility certifications if applicable
• Avoid reclassification by documenting exclusion from Chapter 90 testing equipment