The fastest way to make crisp PCBs at home!

Comments · 833

• YO

  @yonggor · 4 years ago (edited)

  Dry-film photoresist is the solution you need. It comes in thin blue film that you can iron on copper-cladded board (not the solder mask paste). The exposed photoresist turns darker and hardens while unexposed part dissolves in alkaline solution (sodium carbonate). It's much cheaper than presensitized UV PCB, and can be removed & reapplied if something goes wrong during exposure.

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• EL

  @ellisgl · 4 years ago

  I've seen this done before, but I can see someone making a device that would be two LCDs that would sandwich the board to make 2 layer boards easy to make.

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• AL

  @alexhri · 4 years ago

  OMFG....  I've been looking for a way to do this for months and the solution was in front of my face, on my desk this whole time! Thank you so much for this!!!!!!

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• BR

  @BRUXXUS · 4 years ago

  First saw this method on Huygens Optics channel and was shocked that this wasn't more common!  Such a clever use of MSLA printers!

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• PE

  @peterschmelcher2754 · 4 years ago

  This takes me back 50 years when I was a teenager making pcbs in the bathroom by exposing boards with a sun tanning lamp. &nbsp;In hindsight I had lots of failures mostly because I was spraying the Kodak liquid resist. The resulting coating thickness was not uniform enough requiring different exposure times across the board, basically clean off the resist and try again. As I recall the Kodak literature recommended spinning the board to produce a uniform film thickness. The copper surface also needed to be insanely clean before attempting resist coating. &nbsp;If the resin printer UV light source is columnated consider spin coating before placing the coated board on the printer. This way the flatness of the board will not be a factor.<br>Cheers-Peter

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• ST

  @StevenIngram · 4 years ago

  I imagine that for prototyping and small scale fabrication, this is kind of a game changer.

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• TE

  @TechnoidProduction · 4 years ago

  I feel like I&apos;ve just unlocked a new skill! Very smart idea. A lot easier than printing on acetate and using a UV lamp!

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• MA

  @maju.portal · 4 years ago

  Very good video except I can&apos;t subtract the traces from &quot;box&quot;? I say a New Video showing the detailed steps would be in order and much appreciated.

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• RO

  @RomanoPRODUCTION · 4 years ago

  What a nice accomplishment! Thank you for the tip, now the resin 3D printer sales will increase ❤️

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• MI

  @miniman3112 · 4 years ago

  Final video of the year sounds like a big one!

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• PA

  @parrottm76262 · 4 years ago

  This is one of those &quot;why didn&apos;t I think of that&quot; revelations. Great job!

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• RO

  @ronnybergmann7569 · 4 years ago

  Today is one of the days that I thought, thank God that I subbed to your channel! This is just brilliant!!