BSEM-691 is a Tungsten Filament Scanning Electron Microscope. It has excellent imaging quality capabilities. It has More than ten extend interface for accessories such as WDS, EDS, EBSD, etc. It helps users to characterize specimens and explore the world of microscopic imaging and analysis. BSEM-691LV has low vacuum modes, and the high and low vacuum modes can be quickly switched.

1.Specification

Resolution:

BSEM-691: 3nm@30KV (SE), 8nm@3KV (SE), 4nm@30KV (BSE).

BSEM-691LV: 3nm@30kV (SE) High Vacuum, 4nm@30KV (BSE) High Vacuum, Low Vacuum.

Magnification: 1-300000X 

Electron Gun: Pre-centered tungsten filament cathode

Accelerating Voltage:

BSEM-691: 0.2-30kV, continuously adjustable (0~10kV step in 100V, 10kV~30kV step in 1kV).

BSEM-691LV: 0.2－30 kV. Continuously Adjustable (0.2~10kV step in 100V, 10kV~30kV step in 1kV)

Lens System: Three stage high performance electromagnetic lens system.

Objective Aperture: Three objective apertures adjustable outside the vacuum system, replacing without disassemble lens.

Vacuum System: Turbo molecular pump*1, Mechanical pump*1 (optional oil free mechanical pump). Specimen chamber vacuum better than 2.6E-3Pa, automatic vacuum control with vacuum interlock in order to avoid mis-operation.

Low Vacuum of BSEM-691LV: 10-270 Pa, one-key switch between high vacuum and low vacuum, switching time less than 90s.

Detector: High vacuum secondary electron detector (SE), Integrated back scattering detector (BSE), IRCCD

More than ten extend interface for accessories such as WDS, EDS, EBSD, etc.

2.5 axis motorized stage

Five-axis eucentric motorized stage: X=0-80mm, Y=0-50mm, Z=0-30mm, T=-5°~+70°, R=360°.

Max loadable sample: Ф175mm. Max height of sample: 40mm.

Touching alarm and auto-stop, in case of mis-operation.

Optional five-axis eucentric motorized stage: X=0-150mm, Y=0-150mm, Z=0-65mm, T=-10°~+90°, R=360°.

Max loadable sample: Ф320mm. Max height of sample: 80mm.

3.Image Processing

4096*3072 pixels display. Image Format: TIF, BMP, GIF, JPG, PNG.

4.Work station

PC Workstation (Customized upon request). Image can be saved at hard or other storage medium, or printout.

Commercial workstation, Intel Xeon; 16G RAM+500G SSD+1TB graphics card, P1000 (independent graphics card -4G) +232 interface, 24” Monitor, wireless keyboard & mouse. Windows 10 operating system available in both Chinese and English language.

5.Software Control

High pressure regulation Vertical line scan, Electric displacement regulation, Filament current regulation, Condenser adjustment, Multi scale measurement, Astigmatic adjustment, Electric to central adjustment, Automatic brightness/contrast, Brightness adjustment, Objective lens adjustment, Auto focus, Contrast adjustment, Photo Preview, Automatic astigmatism elimination, Magnification adjustment, Active ruler, Automatic filament adjustment, Selected area scanning mode, 4 Scanning speed setting, Management of parameters, Point scanning mode, Objective lens inversion Image snapshot, image freezing, Surface scanning, Condenser reversal, One Key Quick View, Horizontal line scanning, Electric rotation adjustment, etc. 

1.Power supply requirements

Voltage: AC 220V ± 10%, 50Hz ± 1 Hz, standard sine wave.

It is not recommended to share the power supply line with the instrument for equipment with high power and large power consumption change.

Three power sockets needed for: Scanning electron microscope instrument body. Computer: AC 220V, 50Hz, 16A. Mechanical pump and air compressor: AC 220V, 50Hz, 16A.

2.Environmental requirements for installation site

Temperature between 16-30°C is recommended. The relative humidity shall be less than 60%.

Recommend configuration: air conditioner, dehumidifier and other equipment that can ensure the temperature and humidity of the laboratory.

Noise: <68 DB.

The durability of the instrument operation: continuously working.

• To fulfill above environment condition is the key factor to reach the best performance of the instrument.

3.Instrument Dimension & Weight

Microscope body: 800mm*800mm*1850mm

Working table: 1340mm*850mm*740mm

Total weight: 400kg

The floor bearing capacity should ≥ 500kg/m³, and it is recommended to place it on the first floor/ground floor.

Packaging Dimension & Weight:

1 Set in 3 Wooden Boxes: 110cm*110cm*180cm*1, 130cm*122cm*136cm*1, 161cm*90cm*115cm*1.

Total Volume 5.3189CBM, Total G.W. 872 kg.

Note: ● Standard Outfit, ○ Optional

Graphene

Cobaltosic oxide

Plastic powder

Solder ball

PCB Failure analysis

Coscinodiscus

Kiwi pollen