please and thanks!!! Great work
Currently pondering whether I want to consider getting another M1 Mac Mini, to possibly destroy, for hardware reverse engineering purposes. Besides tracing out pins, I could use my extremely low tech decap/imaging technique on the M1. Sample: https://marcan.st/transf/latte_stitched.jpg …pic.twitter.com/lAFwju2iOM
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How did you do the Latte photo? It's new to me. I've seen from Chipworks and Techinsights before.
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Razor blade and heat to get the die off the carrier, razor blade to delayer the chip (seriously), ~$100 Chinese inspection microscope with a DSLR strapped on top. Take a bunch of photos and stitch with Hugin. No chemicals.
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Isn't the M1's process size nearly an order of magnitude smaller than the Latte? I wonder how much that would impact this...
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curious about this too, although i think its more a question of how much thinner (if at all) the top metal layers are above the actual silicon with the features
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What is M1 chip size?
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That’s a mission for
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Happy to do SEM for this
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How small can you resolve? I have access to a SEM, but this is as small as I've been able to go. There's some kind of horizontal noise going on.pic.twitter.com/RowcxxelBk
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I don't think any of us actually intends to reverse engineer the silicon for this... :) I want to work out PCB test points and connectivity, but if we're destroying a Mac we might as well get some beauty shots of the M1 itself.
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