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What if Humanity forgot how to make CPUs?
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this post was submitted on 24 Sep 2025
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Forgot? Have you seen what's needed to make CPUs? Clean Room Manufacturing is a fragile thing.
Developing countries often need a lot of help just getting to ISO Class 7, which is what's needed to safely make cough syrup.
Injectable drugs are ISO Class 5. CPU manufacturing is ISO Class 1 and 2. In some post-apocalyptic scenario, depending on the scenario, it would be decades or generations of work to get semiconductor manufacturing back. Even if you have an abandoned factory sitting right there. It would potentially be decades to get back to making anything safely injectable. Supply chains involved with specific parts and inputs. shudder
No, it wouldn't. It'd take decades to get back to nano-scale modern CPUs, but not CPUs in general. The smaller the CPU the more it matters to be clean. If you could measure by atoms, then yeah, any stray atoms could matter. If you're measuring something that can be seen with the naked eye then you could probably do it in open air and not have an issue.
Actually, using intel as an example, any CPU that is not a I9 is a failed CPU. The I3, I5 and I7 are I9 with complete sections of the prossessor fucked up, doing CPUs are difficult also in perfect conditions.