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<pie_>
i havent done my research yet, how feasible is interference lithography @ home ?
<SpeedEvil>
In principle, very.
<SpeedEvil>
Holography is regularly done by amateurs
<pie_>
sweet.
<pie_>
whats the catch?
<pie_>
lasers tend to be pretty expensive, but meh, its probably worth it.
<pie_>
also, whats the practical resolution? (i forgot what its called, the size of circuit features)
<pie_>
of course when you get down to small features you gon' need some serious vibration damping i imagine
<SpeedEvil>
interference will only simply get you half a wavelength of light
<SpeedEvil>
so ~300nm
<pie_>
thats still pretty good though no?
<pie_>
valid point though
<SpeedEvil>
Simple interference lets you make gratings. not ICs
<pie_>
so...im guessing you need a very thin beam?
<pie_>
and even then, the lased area wont be homogeneous obviously.
<pie_>
though that could be a plus, if the wash material removes "weaker" areas faster, you could maybe get smaller feature size, though that seems unreliable
<pie_>
of course that could just mean spacing between components would grow, idk if you could actually pack components denser like that
<pie_>
anyway, i gotta run, thanks for the input.
<Sync>
well it always depends on what process you use
<Sync>
with contact masks 1µ strucutres are not too much of an issue
<pie_>
i feel like just g/bzipping human readable files wouldnt be too bad or something
<Sync>
tell that to the people who developed the formats 40 years ago
<pie_>
am i wrong though?
<pie_>
streams dont seem like a bright idea for a database to begin with, though to be fair idk how database files are implemented in any case...i should check that out once
<Sync>
how did you exchange large amounts of data in the old days?
<pie_>
i was thinking the alternative to a stream was still a binary blob, just split up into blocks or something...
<pie_>
dial-up :P
<Sync>
nah
<Sync>
on tapes
<pie_>
with any luck.
<pie_>
ah
<Sync>
and seeking on tapes sucks hard
<pie_>
right, the article mentioned tapes.
* SpeedEvil
mehs.
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<Sync>
so you had to have it as a stream
* SpeedEvil
got all excited about a new idea for microsat thruster that I now realise could be redefined as 'ideal dirty bomb'
<Sync>
otherwise throughput would have sucked even more
<pie_>
but i mean its not like its some hugeass database (i guess?), so why make it a databes to begin with?
<pie_>
though i guess you could say any kind of file is a database
<pie_>
stretching it a bit in some cases...
<SpeedEvil>
(Take a few tens of grams of nanometer dust of polonium-210, and put it in an electric/magnetic field to extract the fission products at ~0.5C
<Sync>
well, I think they used it because databases were quite advaned back then
<pie_>
well nuclear propolsion is probably pretty good, but people dont like the idea of irradiating ALL THE THINGS
<Sync>
and you could easily deal with them
<pie_>
hm.
<SpeedEvil>
Err - wrong channel
<SpeedEvil>
I meant - #highaltitude, where it's somewhat on-topic :)
<pie_>
ok, crazy idea that just popped into my head
<pie_>
so people generally need to make a one time-use mask for lithography, but what about placing some kind of ...say, transparent lcd which can be programmed in front of the lens?
<pie_>
instead of a "hard" mask
<pie_>
(i dont actually spend all day speculating :P)