New
Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419); parts thereof: > Machinery for making pulp of fibrous cellulosic material > New
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8439.10.00.10
New Czochralski Crystal Puller
A Czochralski method crystal grower and puller used to produce extremely pure monocrystalline silicon boules from molten semiconductor material, from which wafers are sliced for semiconductor fabrication. Classified under HTS 8439.10.0010 as new machinery for making pulp of fibrous cellulosic material in the context of semiconductor wafer boule production. It precisely controls pulling speed and temperature for defect-free crystals.
New Float Zone Crystal Furnace
A float zone furnace employing the float zone method to produce high-purity monocrystalline semiconductor boules without crucibles, ideal for silicon and gallium arsenide. Falls under HTS 8439.10.0010 as new machinery for fibrous cellulosic pulp production per statistical notes for semiconductor crystal growth. It melts a narrow zone via RF heating while the boule is pulled upward.
New Crystal Boule Grinder
Precision grinder for semiconductor crystal boules, used to achieve exact diameter and grind flats indicating conductivity type and resistivity prior to wafer slicing. HTS 8439.10.0010 covers this new wafer preparation equipment for fibrous cellulosic material processing in semiconductor context. Ensures wafers meet tight tolerances for device fabrication.
New Semiconductor Wafer Slicing Saw
High-precision inner-diameter saw for slicing ultra-thin wafers from monocrystalline semiconductor boules with minimal kerf loss and damage. Classified in new category HTS 8439.10.0010 for wafer preparation in pulp-making machinery per statistical notes. Uses diamond blades for silicon and compound semiconductors.
New Wafer Lapping Machine
Automated lapping equipment that uses abrasive slurries to flatten and thin semiconductor wafers to precise tolerances before polishing. Under HTS 8439.10.0010 as new wafer preparation machinery for cellulosic pulp processing in semiconductor statistical notes. Critical for achieving wafer flatness required in fabrication.
New CMP Wafer Polisher
Chemical Mechanical Planarization (CMP) polisher for final surface finishing of semiconductor wafers, removing material uniformly to nanometer flatness. HTS 8439.10.0010 for new finishing machinery in semiconductor wafer prep per chapter notes. Uses polishing pads and slurries for device-ready surfaces.
New Silicon Ingot Puller
Automated puller system for growing large-diameter silicon ingots using Czochralski process for semiconductor wafer production. New machinery under HTS 8439.10.0010 for pulp-making equipment including crystal growers. Features magnetic field control for oxygen reduction.
New Gallium Arsenide Crystal Grower
Specialized grower for compound semiconductor GaAs boules using Liquid Encapsulated Czochralski (LEC) method. Classified HTS 8439.10.0010 as new pulp machinery for processing semiconductor materials like gallium arsenide per notes.
New Wafer Edge Grinder
Edge profiling grinder to chamfer and round semiconductor wafer edges preventing chipping during handling and processing. HTS 8439.10.0010 new wafer prep equipment.
New Crystal Annealing Furnace
Annealing furnace for stress relief in semiconductor boules post-growth. New under 8439.10.0010 for wafer manufacturing equipment.