INSTITUTE OF APPLIED PHYSICS

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Clean room Lithography and milling machine

FE-SEM(Field Emission-Scanning Electron Microscope

Model MIRA3 XMH
Manufacturer (Country) TESCAN (Czech Republic)
Purchase Date 2013-08-09
Purpose of Use E-beam lithography, Image, EDS

Product Description and Specifications

● A microscope where a focused e-bean is scanned over the sample surface for image generation by collecting secondary electrons, with primary electrons refracted
● Equipped with EDS (energy dispersivespectrometer), enabling the analysis of the sample components and surface properties
● Resolution in high-vacuum mode:
SE: 1.2nm at 30keV , STEM: 0.8nm at 30keV
● Resolution in low-vacuum mode:
BSE: 2.0nm at 30keV
● Working vacuum
● Chamber high vacuum mode: <9*10^-3Pa
● Chamber low vacuum mode (available only for UniVac): 7-500Pa
● Gun vacuum: <3*10^-7Pa
● Electron optics working modes
- high-vacuum mode: Resolution, Depth, Field, Wide field, channelling
- low-vacuum mode: Resolution, Depth
● Magnification: continuous from: 1*1,000,000*(XM)
(for 5“ image width in continual Wide field / Resolution mode)
● Field of view: 6.4mm at WD 10mm
● Accelerating / landing voltage: 200V to 30kV
● Electron gun: High brightness schottky Emitter
● Probe current: 2pA to 200nA
● Scanning speed: From 20ns to 10ms per pixel adjustable in steps or continuously
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