#homecmos on 2015-05-06 — irc logs at freenode.irclog.whitequark.org

2013-03-20 01:50 azonenberg changed the topic of #homecmos to: Homebrew CMOS and MEMS foundry design | Wiki: http://homecmos.drawersteak.com/wiki/Main_Page | Repository: http://code.google.com/p/homecmos/ | Logs: http://en.qi-hardware.com/homecmos-logs/

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05:24 <Noxz> damn, nobody was home when my ultrasonic homogenizer was tried to be delivered today..

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08:37 <_Sync_> http://www.inmos.com/images/duffryn_fab/ oh wow

08:37 <_Sync_> I like how hotshot fabs were back then

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10:40 <SpeedEvil> It would be fascinating if there were writeups of the actual tech and equipment for 4004 class prototypes

10:50 <_Sync_> yeah

10:50 <_Sync_> there probably is

10:52 <_Sync_> 10µ pmos

10:52 <_Sync_> hmm

11:19 <_Sync_> a 4004 would probably doable at home

11:19 <_Sync_> although a LOT of R&D needs to go into that

11:19 <_Sync_> mostly to get the diffusion working

11:21 <SpeedEvil> Random question.

11:21 <_Sync_> Random answer.

11:21 <SpeedEvil> If you're thrown into a ~1900s class society, and wanted to make a transistor, is it sensible to go for germanium point contact first?

11:22 <SpeedEvil> Or was that a historical accident, and germanium is no harder to make

11:22 <_Sync_> the first fet was made on copper oxide

11:22 <SpeedEvil> Assuming a fair budget and staff

11:22 <SpeedEvil> hmm

11:22 <_Sync_> although the guy did not understand what was habbening

11:22 <SpeedEvil> Oooh - I forgot that

11:22 <SpeedEvil> _Sync_: you've seen the CdS one?

11:23 <_Sync_> the one made on a photocell?

11:23 <_Sync_> yeah

11:23 <SpeedEvil> Awesome site. http://sparkbangbuzz.com/ (for those not aware)

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