Parts and accessories
Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof: > Parts and accessories
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 9012.90.00.00
Electron Microscope Objective Lens
A precision electromagnetic lens assembly designed specifically for use in scanning electron microscopes (SEMs) to focus the electron beam on samples. It falls under HTS 9012.90.00.00 as a dedicated accessory for non-optical microscopes in heading 9012. These lenses are critical for achieving high-resolution imaging in materials science and biology.
Scanning Electron Microscope Sample Stage
A motorized XY stage for holding and precisely positioning specimens under a scanning electron microscope. Classified under HTS 9012.90.00.00 as it is principally suitable for use with SEMs (heading 9012). Enables automated imaging of nanoscale features in semiconductors and biology.
SEM Vacuum Pump Adapter Kit
Custom adapter flanges and seals connecting turbo pumps to scanning electron microscope chambers. Classified in HTS 9012.90.00.00 as parts principally for 9012 apparatus. Ensures ultra-high vacuum for clear imaging.
SEM Ionizer Accessory
Electron flood gun ionizer for neutralizing surface charge on non-conductive SEM samples. Dedicated accessory under HTS 9012.90.00.00 for non-optical microscopes. Improves imaging of plastics and biological specimens.
Electron Microscope Cryo-Holder
Liquid nitrogen-cooled specimen holder for cryogenic electron microscopy in TEMs. Principal accessory for HTS 9012.90.00.00, enabling imaging of frozen biological samples. Used in structural biology.
Microscope Stage Joystick Controller
Handheld joystick for precise manual control of electron microscope sample stages. HTS 9012.90.00.00 accessory principally for 9012 non-optical microscopes. Improves operator dexterity.
TEM Aperture Strip
Carousel strip holding interchangeable objective and condenser apertures for transmission electron microscopes. Critical HTS 9012.90.00.00 part optimizing beam alignment and resolution. Made of precision-machined platinum.
Transmission Electron Microscope Specimen Holder
A specialized grid holder for thin-section samples in transmission electron microscopes (TEMs), designed for high-vacuum and tilt functionality. It qualifies for HTS 9012.90.00.00 as an accessory dedicated to non-optical microscopes. Used in ultrastructural studies of viruses and nanomaterials.
Microscope Diffraction Pattern Camera
A digital imaging camera optimized for capturing electron diffraction patterns from non-optical microscopes like TEMs. Falls under HTS 9012.90.00.00 as a principal accessory for diffraction apparatus in heading 9012. Essential for crystallographic analysis.
Atomic Force Microscope Probe Tips
Silicon cantilever tips with nanoscale sharp points for scanning surfaces in atomic force microscopes (AFMs), a type of non-optical microscope. HTS 9012.90.00.00 applies as accessories for 9012 microscopes. Used for topography mapping at atomic resolution.
Electron Microscope Control Software Dongle
Hardware security dongle with embedded firmware for licensing and interfacing electron microscope control software. As a principal accessory, it fits HTS 9012.90.00.00 for 9012 apparatus. Prevents unauthorized operation in research facilities.
Diffraction Apparatus Calibration Grids
Precision gold calibration grids for aligning and calibrating electron diffraction apparatus in microscopes. HTS 9012.90.00.00 classification as accessories for heading 9012 diffraction equipment. Ensures accurate lattice spacing measurements.
AFM Vibration Isolation Platform Mounts
Specialized mounting feet for atomic force microscope vibration isolation tables, damping external noise. HTS 9012.90.00.00 as parts for non-optical microscopes. Critical for nanometer-scale measurements.
Diffraction Powder Sample Spinner
Motorized spinner stage for uniform rotation of powder samples in electron diffraction apparatus. Fits HTS 9012.90.00.00 as accessory for 9012 diffraction tools. Reduces preferred orientation artifacts.
SEM Secondary Electron Detector
Scintillator-based detector for capturing secondary electrons in scanning electron microscopes. Essential HTS 9012.90.00.00 part for surface topography imaging. Converts electrons to photons for PMT readout.