Wafer Oxidation Furnace
Nonelectric horizontal furnace growing thermal oxide layers on semiconductor wafers via steam or dry oxygen ambient at 900-1200°C. Fundamental for MOS gate dielectrics and isolation structures. Classified under 8417.80.00.00 as industrial processing furnace.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If low-pressure oxidation capability
Advanced oxidation for sub-100nm devices under semiconductor processing.
If small tube furnaces for process development
R&D scale with limited zone control classifies as laboratory equipment.
If automated with robotic wafer handling
Mixing and stirring machines aspect if emphasizing gas mixing.
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Import Tips & Compliance
• Specify oxide thickness uniformity specs and LPCVD compatibility; document boat loading systems
• Common issue: classifying source gas cabinets separately as parts excluded from subheading
Related Products under HTS 8417.80.00.00
Czochralski Crystal Puller Furnace
A nonelectric industrial furnace using the Czochralski method to grow monocrystalline silicon boules from molten semiconductor material for subsequent wafer slicing. It maintains precise temperature gradients in a vacuum or inert gas environment to produce high-purity crystals essential for semiconductor manufacturing. Classified under 8417.80.00.00 as a specialized nonelectric furnace for industrial semiconductor processing, excluding electric heating elements.
Float Zone Crystal Growth Furnace
Nonelectric furnace employing the float zone method to purify and grow monocrystalline semiconductor rods, particularly silicon, by melting a narrow zone with RF heating in a vacuum chamber. Critical for producing ultra-high purity materials used in power semiconductors and solar cells. Falls under 8417.80.00.00 as an industrial nonelectric furnace tailored for semiconductor boule production.
Wafer Annealing Furnace
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Crystal Boule Grinder Furnace Enclosure
Specialized nonelectric furnace enclosure maintaining thermal stability during grinding of semiconductor crystal boules to precise diameters, as defined in statistical notes for wafer preparation equipment. Controls dust and temperature for flat grinding indicating conductivity type. HTS 8417.80.00.00 covers this industrial furnace for semiconductor boule processing.
Semiconductor Diffusion Furnace
Nonelectric industrial furnace for dopant diffusion into semiconductor wafers creating device junctions, using gas phase reactions in horizontal or vertical quartz tubes. Essential for bipolar and MOS device fabrication. Falls under 8417.80.00.00 as nonelectric furnace for semiconductor processing.
Rapid Thermal Processing RTP Furnace
Nonelectric semiconductor furnace using lamp arrays for ultra-fast wafer heating to 1200°C in seconds for annealing and silicide formation. Critical for submicron semiconductor device fabrication preventing dopant redistribution. HTS 8417.80.00.00 for industrial nonelectric processing furnaces.