En MEB on parle de contrastants ou agents contrastants, mais je ne pense pas que c'est le cas ici.
In your question, it's a SEM image with
material contrast.
Desktop SEM, all about Desktop SEM
www.phenom-world.com/desktop-sem - Traduire cette page
Desktop SEM overcomes limitations and especially the Phenom G2 desktop SEM gives excellent resolution,
material contrast and depth-of-focus from 70 to ...
NANONICS - AFM SEM | AFM FIB | Nanonics.co.il
www.nanonics.co.il/afm-sem-fib.html - Traduire cette page
UltraHigh resolution Z imaging unavailable in SEM or FIB. 3D functional SPM imaging with on-line FIB; New directions in
Material Contrast With FIB Slicing ...
QUT | AEMF | Scanning Electron Microscopes
www.aemf.qut.edu.au/instruments/scanningelec.jsp - Traduire cette page
16 Mar 2011 – The ion beam can also be used for imaging with high spatial resolution and strong channeling and
material contrast. The SEM can operate in
The translation workplace 
