Gallium Arsenide Wafer Gas Manifold Valve
Multi-port gas manifold valve for compound semiconductor (GaAs) wafer processing chambers controlling precursor gases. Falls under HTS 8481.90.9085 as 'other' parts for statistical note semiconductor materials processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for photoresist processing
Photoresist coat/developer equipment has dedicated subheading.
If for gas analysis in chambers
Testing-integrated gas valves go to Chapter 90 phys/chem analysis.
If plain stainless fittings
Pipe fittings without valve actuation stay in Chapter 73.
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Import Tips & Compliance
• Specify GaAs statistical note coverage and gas types (TMG, arsine) in docs
• Cleanroom packing protocols mandatory; document particle counts
Related Products under HTS 8481.90.90.85
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Semiconductor Wafer Processing Valve
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Czochralski Crystal Puller Flow Control Valve
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