SEM Aperture strip assembly for FEI / TFS systems

SKU: 100208

Direct replacement for FEI/TFS part numbers 4022 268 00543 or 4022 260 56901.  Also known as SAM DIAFR.Mo2x30,50,2x30

Often described as the Final Lens Strip Aperture, this product is produced with the same plasma-FIB technology found in our HyperFIB Upgrade system to yield a set of precision micro-machined apertures, guaranteed to deliver the same quality beam as you ۪ve experienced for the life of your system.

Unlike the original OEM product which has a thin Mo film on a Si substrate, our SEM aperture strip is made of pure Molybdenum thus avoiding flaking of a Mo film which will affect image resolution and lifetime of the strip. We recommend installing a new SEM aperture strip assembly yearly, and on each installation of a new electron source for best performance.

Strip configuration aperture sizes: 2x 30um, 50um, 2x 30um, plus a larger diameter aperture for initial beam alignment.

Need different sized apertures? We excel at providing customized aperture configurations for your SEM and FIB - just Contact Us and describe what you need!

Our SEM aperture strip assembly is applicable on FEI several product lines including:

  • the XL and Quanta Series of SEMs
  • the 235, 830, 835, 860, 865 and 1265 systems FIB-SEM systems,
  • and the Helios, Strata, Altura, and Expida series of FIB-SEM systems.


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