[time-nuts] Completely OT: Removing electrolytics of leaking capacitors from a pcb

Werner Zychlinski Silverhead at gmx.net
Wed Jan 19 14:56:34 UTC 2011


In a lost cause I will use the "Nitro-Universalverdünnung" (it's aggressive to some plastics, take care) and after them "Tuner 600"

Werner Z.

-------- Original-Nachricht --------
> Datum: Wed, 19 Jan 2011 15:02:34 +0100
> Von: "Ulrich Bangert" <df6jb at ulrich-bangert.de>
> An: "Time nuts" <time-nuts at febo.com>
> Betreff: [time-nuts] Completely OT: Removing electrolytics of leaking	capacitors from a pcb

> Gentlemen,
> I know this is completely out of topic but I know there are some dedicated
> material experts among you. So please allow me to put the following
> question
> forward: 
> Is there any good suggestion available on how to remove electrolytic
> coating
> resulting from leaking electrolytic capacitors from a pcb? It is not a
> question of good looking, the coating seems to have a real "electrical
> conducting" property which is absolutely bad on higher-impedance circuitry
> as to be found on a Tektronix TDS45A scope mainboard, where the problem is
> encountered. The findings so far are that the classical method with
> isopropanol and a brush won't work. And the internet won't give precise
> answers for that problem.
> Any suggestion is highly appreciated!
> Best regards
> Ulrich Bangert
> www.ulrich-bangert.de
> Ortholzer Weg 1
> 27243 Gross Ippener 
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