[Libre-silicon-devel] sam zeloof home-made IC

[David Lanzendörfer]

Hi all
I found a way around the issue, without future issues with people potentially
SWATing my garage later on:
AZ 9260 can be developed with AZ 400K, which is "only" Potassium based,
but not in any concentration which could go boom :-)
https://redmine.libresilicon.com/projects/maskless-lithography/wiki/Wiki

Cheers
-lev

On Saturday, August 14, 2021 6:56:05 PM WEST David Lanzendörfer wrote:
> Where I just have been living for a long time laws are just there so that
> people can find ways around them, so yeah, besides potentially building a
> simple plasma etcher by using this magnetron sputter setup from Hackaday and
> running it in reverse, we might also try to find ways to buy those
> chemicals in diluted form and then turning it into a more concentrated form
> in our lab... hmm
> 
> On Saturday, August 14, 2021 6:47:28 PM WEST Dilek Isik Akcakaya wrote:
> > Lets build a plasma etch system on the side then :)
> > 
> > Sent with ProtonMail Secure Email.
> > 
> > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> > 
> > Ferenc Éger <eegerferenc at gmail.com> 14 Ağustos 2021 Cumartesi saat 08:31
> 
> tarihinde yazdı:
> > > Hello Everyone,
> > > 
> > > As for poly-Si etching our never-ending problem came across again:
> > > 
> > > http://sam.zeloof.xyz/second-ic/
> > > 
> > > https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32019R1148
> > > 
> > > He is probably not an European guy... And Europe aims to be on the map
> > > 
> > > in terms of scientific progress... Never mind, we need no amateurs. Just
> > > 
> > > spill a ton of public money onto our for-profit firms, they will solve
> > > 
> > > everything in the right way. < / rant >
> > > 
> > > The problem is nitric acid, that is visible outright. The n-dopant is
> > > 
> > > also likely no-go (I did not find explicitly, but knowing how the
> > > 
> > > legislators think, they may crap their pants on the word "phosphorus
> > > 
> > > compound"). Any idea on solving this?
> > > 
> > > Regards,
> > > 
> > > Ferenc
> > > 
> > > On 14/08/2021 14:13, David Lanzendörfer wrote:
> > > > Hi
> > > > 
> > > > Yes. That's what I'm planning to do as well.
> > > > 
> > > > The idea just was to design a bit more compact stepper, which can also
> > > > be
> > > > 
> > > > scaled up and sold for professional industrial environments,
> > > > considering
> > > > that
> > > > 
> > > > the furnace costs 3200 USD and I've got to get the cash back in :-)
> > > > 
> > > > Cheers,
> > > > 
> > > > lev
> > > > 
> > > > On Saturday, August 14, 2021 9:44:11 AM WEST Luke Kenneth Casson
> > > > Leighton
> > > > 
> > > > wrote:
> > > > > https://www.youtube.com/watch?v=IS5ycm7VfXg
> > > 
> > > Libresilicon-developers mailing list
> > > 
> > > Libresilicon-developers at list.libresilicon.com
> > > 
> > > https://list.libresilicon.com/mailman/listinfo/libresilicon-developers
> > 
> > _______________________________________________
> > Libresilicon-developers mailing list
> > Libresilicon-developers at list.libresilicon.com
> > https://list.libresilicon.com/mailman/listinfo/libresilicon-developers


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