Key Principles of Lamella Sample Preparation for Transmission Electron Microscopy (TEM)


A Variety of Key Lamella Liftout Methods
In this video, Covalent's expert on S/TEM lamella preparation summarizes use cases and orientation of 3 of the most common lamella liftout methods performed on a DualBeam FIB-SEM to extract samples for S/TEM analysis.

Avoiding Common Types of Lamella Defects Caused by the Focused Ion Beam
In this video, Ryan Dudschus - Covalent's resident expert on sample preparation for S/TEM analysis - summarizes common defects in S/TEM lamella caused by the focused ion beam, as well as strategies you can use to avoid them.

Milling Rates and Overtilt
When polishing or thinning S/TEM lamella samples using a focused ion beam, several beam properties are key to getting a clean surface for S/TEM imaging. In this video, Ryan Dudschus - Covalent's resident expert on S/TEM sample preparation - explai...

Overview of STEM Lamella Preparation
There are 6 main steps to a FIB-SEM "lift out" of a sample S/TEM lamella. In this video, Ryan Dudschus - Covalent's resident expert on S/TEM sample preparation - walks you through these steps with screenshots of a lift out procedure, giving you a ...

The Impact of Lamella Thinness on Imaging
You've probably heard how important it is that a lamella prepared for S/TEM imaging is as thin and uniform as possible. But WHY is sample thinness so important to getting maximum resolution out of a S/TEM image? In this video, Ryan Duschus - Coval...


About Covalent Metrology
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