[sdiy] just when you think DIY spirit is fading out

[Roman Sowa]

At my university the most advanced component we could make was a single 
diode. IIRC they used 50mm wafers and doping process was the most 
advanced thing they could do. No litography at all.

Roman

W dniu 2021-10-19 o 22:34, Mike Bryant via Synth-diy pisze:
> 
> 
> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of m brandenberg
> 
>> And then there's going beyond SMD at home:
>> https://www.youtube.com/watch?v=IS5ycm7VfXg
> 
> 
> You'll find many smaller and hence poorly funded university labs doing similar things.  The only difference is some use simple homebrew electron beam imagers but all the rest of the steps are identical.  A few guys even use holography to expose the image pattern which gives a lot more resolution.
> 
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