Semiconductor Crystal Grinder Coolant Valve
Temperature-controlled coolant valve for grinders shaping crystal flats indicating resistivity/conductivity type on semiconductor boules. HTS 8481.90.9085 per note (a)(ii)(A).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thermostatically controlled
Temperature-regulating valves have principal 8481 heading regardless of end use.
If lab furnace parts
Semiconductor lab thermal equipment uses Chapter 84 lab apparatus.
If interchangeable tool bits
Grinding tooling without valves classifies Chapter 82 tools.
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Import Tips & Compliance
• Link to flat orientation specs (e.g
• <100> crystal planes) in classification rationale
• Valve cycle test reports aid customs verification
Related Products under HTS 8481.90.90.85
Wafer Prep Lapper Flow Regulator
Adjustable flow regulator valve for lapping machines maintaining consistent slurry pressure across wafer surface for tolerance compliance. Under HTS 8481.90.9085, statistical (a)(ii)(C).
Monocrystalline Silicon boule Vacuum Valve
Vacuum isolation valve for boule processing chambers preventing contamination during wafer slicing/grinding prep. HTS 8481.90.9085 for semiconductor wafer manufacturing equipment parts.
Semiconductor Wafer Grinder Air Valve
Pneumatic air valve actuating wafer grinder spindles for precise boule diameter control in prep equipment. Per HTS 8481.90.9085, note (a)(ii)(A/C).
Wafer Lapping Machine Slurry Valve
Corrosion-resistant valve dosing abrasive slurry in wafer lappers achieving sub-micron flatness for fabrication readiness. Classified HTS 8481.90.9085 under statistical note (a)(ii)(C) for wafer grinder/lappers/polishers.
Semiconductor Wafer Processing Valve
A precision stainless steel valve designed for controlling gas flow in semiconductor wafer processing equipment, such as crystal growers and pullers using Czochralski methods. It falls under HTS 8481.90.9085 as a part of semiconductor manufacturing apparatus classified as 'other' parts of valves for pipes and tanks. This ensures accurate classification separate from general industrial valves.
Czochralski Crystal Puller Flow Control Valve
High-purity valve for regulating argon or nitrogen flow in Czochralski crystal growers used to produce monocrystalline silicon boules for wafers. Classified under HTS 8481.90.9085 as 'other' parts tailored for semiconductor material growth equipment. Meets statistical note (a)(i) for crystal pullers.