If you're turned on by looking at pictures of naked chips, check out ZeptoBars.
Mikhail Svarichevsky strips transistors and integrated circuits of their packaging and posts beautiful photographs of the bare chips.
It appears he was once looking to acquire a i4004 CPU, but he's crossed it off his list. I looked for the results but didn't see an entry for one.
One of the more fascinating things to see is his comparisons of real versus "fake" chips. I've noticed BSS83 MOSFETs listed for sale from questionable sources. When (if?) I ever finish my i4004 reconstruction, I may buy some of these transistors and send them to him along with a couple real ones for comparison.
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