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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for optical light microscopes
Parts for optical microscopes fall under heading 9002, while 9012 covers only non-optical types like electron microscopes.
If suitable for multiple unrelated instruments
Per chapter note 2(c), parts not principally for 9012 apparatus are classified in 9033 as general parts.
If classified as machine parts of general use
Chapter exclusions send general-use parts to Section XVI headings like 8486.
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Import Tips & Compliance
• Verify compatibility with specific microscope models via manufacturer specs for proper classification under heading 9012
• Include detailed technical datasheets in documentation to prove principal use with non-optical microscopes
• Avoid misclassification as general optical parts (9002); ensure end-use declaration specifies SEM or TEM application
Related Products under HTS 9012.90.00.00
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.