This seems to be a pretty popular FIB. Based on the XL30?

Refilling

Chemicals Markus is using to refill (TODO: get image of Ga bottle, process):

Calibration

General procedure is to wobble the focus and minimize how much drift occurs when sweeping. Looks something like this: https://youtu.be/Ln2GDMw-Vf8

mcmaster: took a bunch of notes, but they were lost. I still have the pictures though

GIS cluster. Note one of the injectors missing (more on it below)

A new Pt injector tip:

This XeF2 injector sat for a long time in storage. The XeF2 ate through the seals and caused considerable damage in the FIB