<
jn__>
it's been mentioned in this channel a few times
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<
awygle>
It falls into a long long list of things that I discovered after having an idea and then googling to see if someone else had already done it
<
awygle>
I must have found it before I started hanging around here, or even the rust community, or I'd have recognized "whitequark"
<
whitequark>
huh nice
<
whitequark>
wanna work on it with me and others?
<
awygle>
I would like to but probably don't have time
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pie_>
azonenberg? ^
<
pie_>
i mean heck whats to stop you from just sticking a tiny wafer in the path of a couple sunk traces
<
lain>
that's still horrendously expensive
<
pie_>
(i havent actualyl finished the article lol)
<
lain>
this has been a thing for many years
<
lain>
but nobody does it :3
<
rqou>
yeah, you need to assemble it
_before_ laminating the PCB
<
rqou>
too much work :P
* pie_
mumbles something about implants :D
<
rqou>
hmm, now i wonder just how much work laminating a PCB really is
<
pie_>
might be less practical than alternatives i guess
<
rqou>
i assume you can't just take sheets of prepreg and feed it into one of those "make your wallet card fancy" laminators
<
cr1901_modern>
pie_: I could've gone without seeing that link and be much happier
<
pie_>
lol im sorry D:
<
pie_>
(though even i found the part about using traces for components as not new)
<
rqou>
wow, somebody made Nautilus (the file browser) astronomically slower recently
* pie_
ponders running explorer.exe with wine
<
pie_>
something something the linux desktop is going to shit?
<
rqou>
wow gimp is shit
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<
sn00n>
gimp is gimp
<
jn__>
na naaa nanana
<
sn00n>
opus, right?
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<
sn00n>
hm, a ice40hx1k has a thick passivation layer, or? the esp32 i decapped for reference has nicer details (esp-ecially the RF section)
<
rqou>
oh yeah, what's the recommended ghetto nitride etch?
<
sn00n>
oxygen plasma?
<
rqou>
that's not exactly trivial to set up, is it?
<
sn00n>
didn't tried yet :)
<
sn00n>
but i mean ... anisotropically should be easy?
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<
sn00n>
vakuum pump, reaction vessel, flask of oxygen, RF source?
<
sn00n>
maybe air is enough?
<
sn00n>
i mean isotropically, sry
<
sn00n>
RF source could be magnetron of a microwave oven or an amateur radio transmitter?
<
sn00n>
to get it cheap and robust .... i mean without the need to build a source from scratch
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<
rqou>
if you think this is trivial, please help contribute to homecmos at some point
<
sn00n>
but wet you can use phosphoric acid
<
rqou>
so i personally think wet etches are easier to ghetto-prepare, but azonenberg hates wet etches
<
sn00n>
ok, how to contribute? (if it work)
<
rqou>
i'll get back to you later, it's 3am and i'm rushing to finish a ppt for school
<
sn00n>
according to "Halbleiterelektronik" (Ruge et al.) cooking in H_3PO_4 (ortho phosphoric acid) will do the job
<
rqou>
yes, i know phosphoric is the industry standard etch
<
sn00n>
i would prefer plasma too, it's fancy & shiny :)
<
rqou>
but that's not super easy to come by
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<
rqou>
huh nevermind, apparently i can just order it off of Amazon
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<
sn00n>
85% is enough
<
sn00n>
according to literature ^^
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<
sn00n>
but maybe it's polyimide than oxygene plasma comes handy again
<
sn00n>
polyimide residues which survived the HNO3
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<
awygle>
If you could go to one conference in the next year, which would it be?
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<
grantsmith>
join ##psoc
<
grantsmith>
oops sorry
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<
pakesson>
awygle: start by figuring out where you want to go, and then find a conference there
<
pakesson>
(the answer is ShakaCon)
<
shapr>
awygle: ICFP
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<
pointfree>
digshadow: fyi, I'll need to be out of town beginning of this month. It sounded like you were already looking for another speaker though.
<
digshadow>
pointfree: uh yeah mtvre is next week isn't it
<
digshadow>
hmm think I had at least one person, but can't remember if that was you
<
digshadow>
anyway thanks for heads up
<
digshadow>
ah I remember, it was someone else
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