EM Core Equipment

Dual-Mode objective lens

Capabilities

Imaging

  • 120 kV compact-digital Biological transmission electron microscope.

  • User-friendly electron microscope that can be used in a lighted room.

  • Fully digital, so samples can be scanned simply be viewing a computer screen. This is particularly important for viewing low contrast samples, and is convenient for training students.

  • Associated software allows user to track the regions of tissue that have been viewed

  • Includes an automated multi-frame function, which facilitates efficient and precise data collection.

Ultramicrotome for ultrathin sectioning of samples for EM

Capabilities

Features

  • Adjustable cutting window (0.3-15mm) and cutting speed (0.2-90mm/s wheel controlled)

  • 360° rotatable knife block

  • Knife holder for 6-12mm knives

  • Top/back light LED Illumination

  • Magnification: S4E: 10X-48X

Cutting Transmission: vibration decoupled gravity stroke

Coarse knife-movements: N-S: 10mm stepping motor

E-W: 25mm manual drive


Imaging

  • 2 nm ultra-high resolution

  • Back-scattered detector (BSD)

  • Scanning Transmission Electron Microscopy (STEM) Detector

  • Energy-dispersive X-ray spectroscopy (EDS) Detector

  • Dual-Mode objective lens

  • Dual-Mode objective lens

Capabilities

Imaging

  • Field Emission Gun (Schottky emitter), with UC technology (monochromator)

  • Sub-nanometer resolution from 500 V to 30 kV

  • Beam deceleration capabilities (stage bias)

  • Specimen Stage: x, y 150 mm; z 10mm all piezo driven; tilt -10 to +60°

  • Six electron detectors for optimal imaging


Focused Ion Beam (FIB)

  • Gallium LMIS (Liquid Metal Ion Source) for precision milling, cross-sectioning, TEM sample preparation

  • Gas Injection System (GIS) for metal and insulator deposition

  • Slice milling and imaging steps automated for 3D SEM reconstruction


Characterization

  • Oxford EDX detector for elemental analysis

  • Oxford EBSD detector for crystal orientation analysis

  • 3D EDX and EBSD capabilties


Ideal for: Ultra high resolution imaging, in-situ cross-sectioning and TEM sample preparation, automated surface pattern generation (milling or deposition), 3D SEM, EDS and EBSD reconstruction

  • Dual-Mode objective lens

  • Analytical capabilities for biological and materials science.


Capabilities

Features

  • Filament Type: Cold-cathode field emission

  • Detectors: SE/BSE/EBSD

  • Image Resolution: Secondary Electron = 1.5 nm

  • Specimen Stage: Motion range = 50 x 100 mm

  • Tilt angle = 5° to + 60°

  • Rotation = 360° (continuous)

  • Max Specimen Size: 19-102 mm (height x dia)

  • Oxford HKL Electron Backscatter Diffraction (EBSD) system for crystal texture analysis and orientation image

Ideal for: high resolution imaging, crystal orientation, Z-contrast imaging

  • Dual-Mode objective lens

  • Analytical capabilities for biological and materials science.


Capabilities

FEI Quanta 250 Features

  • Filament Type: field emission

  • Detectors: SE/BSE/EDX/STEM/E-SEM

  • Image Resolution: Secondary Electron = 1.0 nm

  • Specimen Stage: X-Y 50 mm

  • Tilt angle = 15° to + 75°

  • Rotation = 360° (continuous)

  • Max Specimen Size: 19-102 mm (height x dia)

  • Low vacuum capability for environmental SEM

  • Peltier cooling stage for low temperatures work / heating stage up to 800°C

  • Solution injection needle


Ideal for: high resolution imaging, EDX, biological samples, temperature variation

  • Dual-Mode objective lens

Capabilities

Zeiss EVO MA 10 Features

  • Filament Type: Tungsten

  • Detectors: SE/VPSE (environmental)/BSE/EDX

  • Image Resolution: Secondary Electron = 1.9 nm

  • Specimen Stage: 5-axis motorized stage 80 x 100 x 35mm (translation XYZ)

  • Tilt angle = 10° to + 90°

  • Rotation = 360° (continuous)

  • Specimen Size: 100 mm x 200 mm (Height x Diameter), max weight 500g


Ideal for: elemental analysis and mapping, biological samples, large samples, fracture analysis, Z-contrast imaging

List of Equipment

  • Buehler Isomet: low speed precision saw

  • Buehler Ecomet 3: mechanical polishing

  • Allied High Tech Multiprep: mechanical automated polishing and thinning for advanced sample preparation

  • Buehler Vibromet 2: vibration polishing for final preparation of EBSD samples

  • Buehler Minimet 1000: precision mechanical polishing/grinding of small specimens

  • Gatan Ultrasonic Disc Cutter (Model 601): disk cutting for TEM sample preparation

  • Gatan Dimpler/Grinder (Model 656): grinding/dimpling of TEM samples

The facility is designed to handle groups of 10-15 students for demonstrations at each microscope, or sample preparation, including ultramicrotome use.

Capabilities

  • Equipped with IXRF-EDS detectors for elemental analysis

  • View samples either as analog images on a phosphor screen or contrast-enhanced digital images using an AMT CCD camera

  • Images can be captured either on film (ultimately scanned to 1.3 Gpixels) or on computer (8 Mpixels)

  • Dual-Mode objective lens

  • The facility is designed to handle groups of 10-15 students for demonstrations at each microscope, or sample preparation, including ultramicrotome use.


Capabilities

  • Equipped with IXRF-EDS detectors for elemental analysis

  • Useful for imaging surface structures

  • Can also be used for imaging three-dimensional structures embedded in plastic either by viewing serial sections mounted on a conductive substrate or by imaging the sample at the surface of the block face after each cut