Difference between revisions of "FEI FIB 200"

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Revision as of 00:55, 13 February 2019

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

Refilling

Videos for GIS refill: https://www.youtube.com/channel/UCebcTTg_Al48R9Uxdy8sS9Q

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

Markus fei fib200 chem merk hexacarbonyl-w.jpg Markus fei fib200 chem sa tetraethyl orthosilicate.jpg


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


Markus

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

Problems when acquired:

  • LMIS empty
    • Fabricated replacement using Ga from Sigma-Aldrich, tungsten wire, syringe, and DIY spot welder
  • Sources were refilled?
  • Detector tube bad (outgassed)
    • Replaced
  • XeF2 leak. Damaged stage gears
    • Removed XeF2 GIS and blanked off
    • Bought similar replacement gears, machined to fit
    • TOOD: install new seals. Requires special XeF2 rated version not in other GIS
  • Faulty power supply
    • Repaired module (replaced resistor?)
  • Bad seal on pneumatic stabilizer
    • Bought (silicone?) sheet to repair
  • Turbo pump sometimes noisy, but seems to still work

GIS

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

Markus fei fib200 gis cluster1.jpg Markus fei fib200 gis cluster2.jpg Markus fei fib200 gis cluster3.jpg

A new Pt injector tip:

Markus fei fib200 gis pt-new btm.jpg Markus fei fib200 gis pt-new side.jpg Markus fei fib200 gis pt-new side2.jpg Markus fei fib200 gis pt-new top.jpg

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

Markus fei fib200 gis xef2-bad 1.jpg Markus fei fib200 gis xef2-bad 2.jpg Markus fei fib200 gis xef2-bad 3.jpg


Computer

Markus fei fib200 computer console.jpg

Markus fei fib200 computer front1.jpg Markus fei fib200 computer front2.jpg Markus fei fib200 computer front3.jpg

Markus fei fib200 computer back.jpg


Misc

Aperture motor test: https://youtu.be/TIqlTjR2UH4

Test edit after calibration (cut trace):

Markus fei fib200 edit1.jpg Markus fei fib200 edit2.jpg

GIS controller (pneumatics + heater controllers):

Markus fei fib200 gis control.jpg

High voltage power suppl:

Markus fei fib200 hv misc1.jpg Markus fei fib200 hv misc2.jpg

Main power distribution:

Markus fei fib200 power dist1.jpg Markus fei fib200 power dist2.jpg Markus fei fib200 power dist3.jpg


Markus fei fib200 column1.jpg Markus fei fib200 column2.jpg Markus fei fib200 column3.jpg

Markus fei fib200 column chamber.jpg Markus fei fib200 column detector1.jpg Markus fei fib200 column detector2.jpg Markus fei fib200 column detector3.jpg

Markus fei fib200 column side.jpg

Markus fei fib200 column under2.jpg Markus fei fib200 column under3.jpg Markus fei fib200 column under4.jpg Markus fei fib200 column under5.jpg

Markus fei fib200 column under front.jpg Markus fei fib200 column under.jpg Markus fei fib200 column under relay.jpg

Markus fei fib200 column unit overview.jpg Markus fei fib200 column valves.jpg Markus fei fib200 computer camera.jpg Markus fei fib200 floor support.jpg Markus fei fib200 lmis doc.jpg Markus fei fib200 sw1.jpg