--- Log opened Tue Apr 12 00:00:52 2022
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07:23 < lsneff> What axis to MLCCs expand in
07:28 < lsneff> If it’s lengthwise, it may be feasible to fabricate a flexure out of a PCB with MLCCs on both sides
07:37 < lsneff> Ah, it’s in the heightwise direction
07:53 < lsneff> https://mdpi-res.com/d_attachment/actuators/actuators-05-00006/article_deploy/actuators-05-00006-v2.pdf
07:57 < lsneff> https://www.transmute.com/
07:57 < lsneff> .t
07:57 < saxo> transmute
07:58 < lsneff> > ProScan is a maskless, direct-write proton-beam lithography. Utilizing particle accelerators fabricated on a chip, ProScan writes the entire width of a 300mm wafer using an array of 3 million parallel proton beams. Low-energy protons are used to expose resist with 20nm pixels with minimal wafer heating, while maintaining current fab production rates of 100 wafers per hour.
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08:01 < superkuh> Well that's neat. 
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08:26 < lsneff> Yeah, isn’t it?
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09:20 < lsneff> It seems to me like a low-cost interferometer would be a very useful project
09:47 < lsneff> It'll probably be necessary to make a flexible enough positioning stage for the photolithography system
09:47 < lsneff> The interferometer will be, I mean
10:08 < kanzure> 3 million parallel proton beams?
10:19 < lsneff> Yes
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12:13 < fenn> yowsers tjat
12:13 < fenn> that's a lotta beams
12:13 < fenn> i told halcyon to do that with e-beams but they ignored me
12:14 < fenn> why proton beams?
12:15 < fenn> "Writing a true hardware CPU-ID onto each individual processor chip that would be impossible to change" <- dystopia fuel
12:22 < darsie> https://en.wikipedia.org/wiki/Intel_Management_Engine <- dystopia is real
12:35 < fenn> sigh.. figuring out why wget isn't downloading images, session #133
12:38 < mrdata> if you cant disable intel management engine, then take a hammer and smash the thing to sand
12:41 < juri_> "There is no truth in flesh, only betrayal." "There is no strength in flesh, only weakness." "There is no constancy in flesh, only decay." "There is no certainty in flesh but death." - Credo Omnissiah
12:52  * juri_ continues working on her escape plan.
12:53 < fenn> http://psung.blogspot.com/2008/06/freerunner-entering-mass-production.html foresight re: mobile phones
12:54 < fenn> (not *that* foresight, just, you know, being smart and making good predictions)
12:56 < fenn> "I'm currently a software engineer at Transcriptic."
12:58 < kanzure> join hplusroadmap, home of the liberated transcriptic software engineers! cc maaku
13:19 < lsneff> You both?
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15:00 < muurkha> lsneff: these numbers are great, but I wonder if the activations that don't happen account for more computation than the ones that do
15:01 < muurkha> well, I guess that doesn't make a lot of sense, since you're already multiplying by synapses per neuron.  each neuron activation affects some 7000 synapses
15:02 < muurkha> fenn: you can have many more MEMS actuators in a given space or mass than non-MEMS actuators, so you can do things faster
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15:03 < muurkha> fenn: PVDF is a piezo material that's cheap and flexible
15:04 < muurkha> this ProScan could be a powerfully transformative technology
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15:05 < muurkha> fenn: presumably proton beams can be focused more tightly than electron beams
15:06 < maaku> who is the software engineer at Transcriptic?
15:09 < nmz787> fenn: it's basically a multi-beam FIB
15:10 < nmz787> the /proscan and /technology pages are good explanations, but this is the general thing that first popped into my mind
15:10 < nmz787> "Since the mass of a proton is large relative to its charge, the focus of the proton bunches should stay constant regardless of the number of protons in the bunch."
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15:11 < muurkha> yeah, also, shorter de Broglie wavelength
15:12 < nmz787> and 
15:12 < nmz787> "The electron has to be at rest with respect to the molecule in order to react most strongly via dissociative electron attachment, where the electron comes to rest at the molecule, depositing all its kinetic energy. Protons generate on the order of 100 collateral electrons that are less than 10eV. These not only are effective in splitting the polymer bonds, they also do not spread as much as the 
15:12 < nmz787> hotter electrons from e-beams. "
15:12 < muurkha> oh interesting, I didn't know that
15:13 < nmz787> hotter I guess meaning your avg starting accel for SEM type systems of like 30keV
15:14 < nmz787> or their secondaries/children
15:14 < nmz787> progeny?
15:14 < muurkha> right, the electrons have all that energy as kinetic energy when they hit something if they've been flying through vacuum
15:14 < nmz787> https://images.squarespace-cdn.com/content/v1/5b6a0308b98a78b918c0e81a/1535063443143-2T434Z8RYS83XX051Z24/e-beam+vs+p-beam.JPG?format=500w
15:14 < muurkha> so if you think of temperature as the average kinetic energy per particle they are very hot
15:15 < nmz787> 10x more heating for same "exposure strength" with e-beam, is how I read that table
15:15 < muurkha> I think that's what it's saying, yeah
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18:30 < fenn> maaku: phil sung (psung.blogspot.com) is the software engineer at transcriptic. just a random blog i hit while trying to figure out how to make wget do what i want (from the archive team wiki page on wget)
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20:40 < maaku> ah
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--- Log closed Wed Apr 13 00:00:53 2022