Key Types of Electron MicroscopesScanning Electron Microscope (SEM): Scans the surface of a sample to create 3D topographic images. Used for observing surface features, fractures, and composition.Transmission Electron Microscope (TEM): Transmits electrons through a thin specimen to image internal structures, such as organelles or atomic arrangements.Scanning Transmission Electron Microscope (STEM): Combines TEM and SEM techniques by scanning a tiny probe across a thin sample.How It WorksElectron Source: A tungsten filament or field emission gun generates a stream of electrons.
Electromagnetic Lenses: Instead of glass lenses, electron microscopes use electromagnetic fields to focus the electron beam, as electrons are charged particles.Vacuum System: The entire column is kept under a high vacuum to allow electrons to travel freely without interacting with air molecules.Imaging: Interactions between the electrons and the specimen are detected to form an image on a screen or digital detector.Key ApplicationsMaterials Science: Analyzing microstructures, grain structures, and defects in metals, polymers, and composites.Semiconductor & Electronics: Failure analysis, defect detection in microchips, and nanotechnology research.Biological & Pharmaceutical Research: Studying viruses, cell structures, and imaging macromolecules.Key Features and CapabilitiesHigh Resolution: Electrons have a wavelength 100,000 times smaller than visible light, allowing for resolutions as low as 0.1 nm.
Environmental SEM (ESEM): Allows for imaging of wet, oily, or non-conductive samples without complex preparation.Elemental Analysis (EDS): Many systems include Energy Dispersive X-ray Spectroscopy (EDS) for real-time elemental composition analysis.Main Differences from Light MicroscopesWhile conventional light microscopes magnify up to 2,000 times, electron microscopes can resolve features over 1 million times smaller. However, they are generally large, expensive, and require special sample preparation (e.g., maintaining a vacuum).
Specifications
Specifications
Audio Format
Dolby Digital Stereo (2ch.)
Recording Format
DVD
Memory Stick Duo Slot
Yes
Record Start / Stop & Zoom Buttons on LCD Frame
Yes
LCD Screen Size & Type
2.5" Wide (4:3) LCD Screen with Touch Panel
Dimensions (W x H x D)
54.5 x 89 x 130.5mm
Mass (w/o Tape, Battery, etc.)
Approx. 390g
Video Codec
MPEG-2
Optical / Digital Zoom
40x / 2000x
Media Storage Type
8cm DVD (DVD+R DL / DVD+RW / DVD-RW / DVD-R)
Colour Slow Shutter
Yes
Maximum Still Image Capture Resolution (4:3)
VGA (640 x 480 pixels)
USB Terminal
Yes (USB 2.0 High Speed)
NightShot Mode
Super NightShot Plus
Multi AV Out
Yes
Carl Zeiss Lens / Filter Diameter
Vario-Tessar / 30mm
Image Sensor Type
1/6" 800K (PAL) / 680K (NTSC) Advanced HAD CCD
Image Stabiliser
Super SteadyShot (Electronic)
Supplied Accessories
Enjoy Handycam DVD
Yes
USB Cable
Yes
Rechargeable Battery Pack
NP-FH40
Application Software
Picture Motion Browser / USB Driver
AC adaptor
AC-L200
AV Cable
Yes
Clock Lithium (Installed)
Yes