Blades, rotating or stationary
Steam turbines and other vapour turbines. > Other turbines: > Parts > Other parts of the goods of tariff item No. 8406.10.00: > Blades, rotating or stationary > Blades, rotating or stationary
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8406.90.23
Czochralski Crystal Puller Rotating Blades
Rotating blades designed for Czochralski crystal pullers, which are machines used to grow monocrystalline silicon boules for semiconductor wafers. These blades facilitate the precise rotation and dipping of the seed crystal during the growth process. They are classified under this tariff item as rotating blades for steam turbines, as they are integral to the turbine-driven mechanisms in such equipment.
Float Zone Crystal Grower Stationary Blades
Stationary blades used in float zone crystal growers, which are machines for producing high-purity silicon ingots for semiconductor wafers. These blades maintain precise positioning during the float zone melting process and support the RF coil and zone movement. They are classified as stationary blades for steam turbines under this tariff item.
Gallium Arsenide Crystal Grinder Turbine Blades
Rotating and stationary turbine blades for steam-powered grinders used to process gallium arsenide boules for compound semiconductor wafers. These blades are critical for shaping boules to exact diameters and creating flats for resistivity indication. They are classified under this tariff item as blades for steam turbines, given their use in turbine-driven grinding machinery.
High-Purity Silicon boule Grinder Rotating Blades
Precision rotating blades used in steam turbine grinders for shaping high-purity silicon boules to wafer-ready diameters with conductivity flats. These blades are essential in semiconductor production lines immediately after crystal pulling. They are classified under this tariff item as rotating blades for steam turbines, as they are components of turbine-driven grinding machines.
Monocrystalline Boule Slicer Stationary Guide Blades
Stationary guide blades used in wafer slicing saws driven by steam turbines, which align the diamond wire or blade during boule slicing into thin semiconductor wafers. These blades maintain precision cuts for optimal wafer yield. They are classified under this tariff item as stationary blades for steam turbines, given their integration into turbine-driven slicing equipment.
RF Float Zone Turbine Stationary Support Blades
Stationary support blades in steam turbine systems for RF float zone crystal growers, which stabilize zone translation for ultra-pure silicon rods. These blades are essential for minimizing oxygen impurities in semiconductor material. They are classified under this tariff item as stationary blades for steam turbines, as they are components of turbine-driven crystal growing equipment.
Silicon Wafer Lapping Stationary Turbine Blades
Stationary blades in steam turbine-driven lappers that flatten silicon wafer surfaces to nanometer tolerances post-slicing for semiconductor fabrication. These blades guide lapping plates for ultimate flatness. They are classified under this tariff item as stationary blades for steam turbines, given their role in turbine-driven lapping machinery.
Steam Turbine-Driven Wafer Grinder Rotating Blades
Rotating blades for wafer grinders powered by steam turbines, used to grind semiconductor crystal boules to precise diameters post-growth. These blades ensure accurate flats indicating conductivity type for wafer production. They are classified under this tariff item as rotating blades for steam turbines, as they are components of turbine-driven grinding equipment.