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

[David Lanzendörfer]

Well.
I guess I still haven't gotten used to the new reality of not living in China 
anymore, which is to a certain degree like the wild west. Haha
But considering that they're also there introducing more and more 
environmental protection laws, I might as well go with the time and
find ways to take a bit more care of the environment.

On Sunday, August 15, 2021 12:16:01 AM WEST Dilek Isik Akcakaya wrote:
> Wow, no!
> 
> Laws are laws especially these sensitive issues must be obeyed in my
> opinion.
> 
> I would build a plasma etch system.
> 
> Sent from ProtonMail mobile
> 
> -------- Original Message --------
> 
> On Aug 14, 2021, 10:56 AM, 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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> > (")_(")
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