Variable Pressure SEM

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Specification
Resolution : 3.5 nm
at 30 kV ( Tungsten ), 2.5 nm at 30 kV ( LaB6 ), 5.5 nm at 30 kV ( BSD-VP )
Magnification : 9x - 900,000 x
Accelerating Voltage
: 200V to 30 kV
Variable Pressure : 1 Pa to 400
Pa
Probe Current : 1 pA to 1 uA Optibeam controlled
Detector : Everhart Thornley Secondary Electron with VPSE (Variable Pressure
Secondary Electron)
or
BSD ( Back Scattering Detector )
LEO 1420 Introduction
( 1420 VP )
LEO 1430 Introduction
( 1430VP )
LEO 1450 Introduction
( 1450VP
)