LVEM5

LVEM5 SPECIFICATIONS

SPECIMEN
Grids 3 mm TEM grids
Specimen Exchange Time ~ 3 minutes
Motorized Stage Movement
ELECTRON OPTICS
Condenser Lens Permanent magnets
Smallest illuminated area 100 nm
Condenser apertures f 50, 30 µm
Objective Lens magnetostatic
Focal length 1.26 mm
C S 0.64 mm
C C 0.89 mm
α theoretical (aperture angle)
10-2 rad
Objective (contrast) aperture f 50, 30 µm
Projection Lenses (TEM) Electrostatic
Basic TEM Single Lens
TEM BOOST Double Lens
ELECTRON GUN (FEG)
Schottky cathode ZrO/W[100]
Current density 0,2 mA sr -1
Lifetime > 2,000 hours
LIGHT OPTICS
Objectives Olympus M 4x NA 0.13
Objectives Olympus M 40x NA 0.95
TEM IMAGE CAPTURE
Basic TEM
Camera Retiga 4000R CCD
Sensor Size 2,048 x 2,048 pixels
Digitization 12-bit
Pixel Size 7.4 x 7.4 µm
Cooling Peltier cooled
Read Noise 12 e -
TEM BOOST
Camera Zyla 5.5 Scientific CMOS
Sensor Size 2,560 x 2,160 pixels
Digitization 12 or 16 bit
Pixel Size 6.5 x 6.5 µm
Cooling TE Cooled
Read Noise 1.2 e -
IMAGING MODES TEM, ED, STEM, SEM
Basic TEM
Resolving power 2 nm
Total Magnification 2,200-230,000x
TEM BOOST
Resolving power 1.2nm
Total Magnification 1,400-700,000
ED (Electron Diffraction)
Minimum Probe Size 100 nm
Camera Length (binning 1x1) 2,100 Pixels
Camera Constant (binning 1x1) 36.3 nm pixels
STEM
Resolving Power 2.5 nm
Max. Magnification 250,000x
Max. Field of view 25 x 25 um
SEM (BSE detector)
Resolving Power 3 nm
Max. Magnification 100,000x
Max. Field of view 200x200um
VACUUM
Airlock System (for Sample Exchange)
Diaphragm and Turbomolecular pump 10-5 mbar
Object Space
Ion Getter Pump (10 lsec-1) 10-8 mbar
Electron Gun
Ion Getter Pump (3 lsec-1) 10-9 mbar
ELECTRICAL REQUIREMENTS (CONSUMPTION)
Standby (Ion Getter Pumps Only) 20VA
Power Supply 160VA
Airlock Vacuum Pumping System 300VA
ACCELERATING VOLTAGE 5kV
*No cooling water is required
DIMENSIONS
Weight Size (L x W X H)
Electron and Light Optics System
(Microscope proper and housing)
25 kg (55 lbs) 29 x 45 x 43 cm
(12 x 17 x 16 inches)
Airlock Pumping System
(Floor-based Turbo-Molecular Pump)
17 kg (37 lbs) 30 x 30 x 34 cm
(12 x 12 x 13 inches)
Power Supply
(Electronics Unit)
19 kg (41 lbs) 47 x 27 x 27 cm
(19 x 11 x 11 inches)