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Old Nov 06, 2012, 08:12 AM
Registered User
Belgium, Brussels
Joined Jul 2010
220 Posts
pcb covering

Hi everyone,

I've started doing my own pcb lately and enjoy it a lot.

I learned from the internet and do them with a laser printer, transparent sheet, iron to transfer the schematic and acid to dissolve.

but what do you put over it once you have done all that to protect the circuit? mine are naked and a drop of water or a finger can create an issue... is there a liquid cover to protect the pcb?

thank you for any tip.

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Old Nov 06, 2012, 08:28 AM
Way to many airplanes!
Canada, QC
Joined Oct 2009
5,495 Posts
You can coat it relatively easily. Do a search on google for PCB silver plating.
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Old Nov 06, 2012, 10:58 AM
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United Kingdom, Bristol
Joined Aug 2008
1,785 Posts
immerse tin plating crystals not very cheap at all. In US they got something cheaper and name escapes me no matter no shipping overseas. I use thin coat of spay paint. Needs to be very thin when thick soldering burns it quite badly.
or if your setup with UV light
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Last edited by SadSack; Nov 06, 2012 at 11:04 AM.
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Old Nov 07, 2012, 03:39 AM
Registered User
Belgium, Brussels
Joined Jul 2010
220 Posts
thanks a lot for the tips and directions, I really appreciate it.

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Old Nov 07, 2012, 04:30 AM
Proud to eat Kraut ;-)
Julez's Avatar
Joined Dec 2003
5,413 Posts
Conrad Electronic carries a spray called "Plastic 70".
It smells horrible, but covers PCBs nicely and does not cause problems when resoldering is required.
But clear spray paint works well also.
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