Cut anything, even diamond

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Published 2023-11-01
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Today we're looking at an ion milling machine. This instrument accelerates argon particles to high velocities and then slam them into your sample, acting as an atomic sandblaster. The sample is slowly etched due to the transfer of kinetic energy from the argon gas molecules. It can etch literally any material, even diamond!


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All Comments (21)
  • @BreakingTaps
    What are those little "whiskers" on the diamond? Carbon adhesive goop, just an artifact from imaging 😅 I scanned the top of the diamond, then rotated it to get more of the profile. Apparently the carbon adhesive dot that's used to hold it down left some whiskers of polymer behind after I rotated it. Meant to put a caption on screen about that, but totally forgot!
  • @JorenVaes
    The chip research group I used to work at used a focused Ion Beam (FIB) to do chip repair and modification for prototype chips. We can go in and even deposit resistive material, or build up entirely new probe pads to connect to the center of a circuit to debug things. Pretty cool stuff, very expensive machine. The dummy filling process has made it much more challenging to get to the lower metal layers, and as a result we have to be clever about it when we etch or design.
  • @zollotech
    Those cross sections look incredible and your animations from Blender are great. Thanks for sharing.
  • @Inityx
    🦀 RUST SHIRT RUST SHIRT 🦀
  • @fridje
    Really nice work with the Blender viz in this video - Blender's particle engine and the molecular script can be a pain to work with, but you got them looking great, and even showing real-world behaviour!
  • @johnsjarboe
    It'd be really cool to have a video series following you troubleshooting lab equipment like this.
  • @MiZiDD1
    Awesome blast from the past! I used the exact model of machine for my university diploma thesis some 20+ years ago. It had the roughing pump (a diaphragm style pump inside the case though). Brings back memories... Hours and hours of disassembling and cleaning the etching gun, even the tiniest metal flake could short out the HV.
  • @FaldoAu
    The world needs more of this and less noise. Incredible stuff as always.
  • @NoblePineapples
    The thing I absolutely love about this incredibly underrated channel is that I learn so so much about things I wasn't even aware existed. And even for things that aren't even covered but merely mentioned, allowing me to delve into another subject on the internet. Thank you so much for what you do. You are a treasure.
  • @DigitalJedi
    I remember using these all the time during my doctorate program. I took so many cross sections of through-silicon-vias (TSVs) and surface micro-bumps, testing ways to stick chips together. I also remember using these machines to place in some "bodge wires" and fix up some very tiny pads (even sometimes those little bumps themselves) on prototype dies. Fascinating machines and incredibly powerful tools in the semiconductor world, but I've very glad my work is all computational now, as these things take forever to go from step to step compared to logic and signal simulations I can just let run.
  • @whyjnot420
    Yet again you show me one of the cooler things I have seen in awhile. (The last was that stop motion animation using the electron microscope.) This really is a neat bit of kit.
  • @wildgophers91
    Man the visualizations are amazing! so cool! Production values going through the roof.
  • @rafaelguida2317
    I've been amazed by what you accomplish in this channel. Wheter with a team or by yourself, it is amazing to see how one's effort combined with the wide amount of information can lead to something that would require a whole research group. Congrats!
  • Where was this channel all my life!!!!!!? I felt transported for a minute. Thank you for this amazing content!
  • @flyguy8791
    The cross sections and animations were amazing! Great work, really helped tell the story of what was going on.