de-ionized water is non-conductive.
They actually clean newly manufactured circuit boards with de-ionized
water. Basically think circuit board dish washer.
de-ionized water is also used as a coolant in high power high voltage
electronics where the water block is also the conductor for the device.
So that should work just fine to clean with. you will just have to give it
a final rinse to remove any impurities from the surface. Once water is
contaminated it is conductive.
Alcohol could also work, but i don't know if you can use alcohol in an
ultra-sonic cleaner. It may evaporate quickly. Also you now have flammable
alcohol around powered electronics. But an ultra-sonic cleaner in made to
have water in it and get wet. so "probably safe?"
On Wed, Feb 17, 2016 at 9:01 PM, Joachim Hall <jjoachimhall@xxxxxxxxx>
wrote:
I would think it would be best to just clean the circuit boards with
alcohol. That's what we cleaned flux and such off with when I worked at an
electronics assembler.
-Joachim
On Wed, Feb 17, 2016 at 8:21 PM, Andrew C. <soshumasamune@xxxxxxxxx>
wrote:
Chad,
My ultrasonic is an Elma S40H, same as used by chemical compounding
labratories and such.
The best there is basically.
I can clean anything that fits in it- but I need to know how big the
boards are. Also- assuming boards mean
they want this ultrasonically cleaned, while components are still
attached.
I don't know if it is safe to ultrasonically clean in a water based
solution electrical circuitry. I'm pretty sure that
would help destroy it. So not sure this would work for what they need.
There are special solutions available that
are non-water based, and there may be one for cleaning assembled
electronics.
I need more details as to how they need the boards cleaned, ie, what got
on them. I have not tried cleaning
circuitry before other than basic stuff- not boards covered in chips.
I'll look into special solutions for ultrasonic, and see if there is one
that can be used for this.
-Andrew
On Tue, Feb 16, 2016 at 7:22 PM, Chad Elish <chad@xxxxxxxxxxxxxxxxxx>
wrote:
They need to ultrasonic clean some circuit boards. I was curious if your
cleaner could do the job.
-chad
On Feb 16, 2016, at 5:28 PM, Andrew C. <soshumasamune@xxxxxxxxx> wrote:
Chad,
I'm lost- what machine do I have that will fix a laser cutter?
What do you mean? Not sure if I can help, I don't quite understand your
question
-Andrew
On Tue, Feb 16, 2016 at 12:29 PM, Chad Elish <chad@xxxxxxxxxxxxxxxxxx>
wrote:
The Akron Makerspace just got a broken laser cutter that had some
damage to it. They need to clean some of the circuit boards and test it
out.
Do we know of anyone who can do this?
Andrew, can your machine do this?
-chad
