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

David C. Partridge david.partridge at perdrix.co.uk
Wed Jan 19 12:45:03 EST 2011


Dishwasher and Calgon - Bob Pease reckons it works a treat to remove polar contaminants.

Dave
-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of Ulrich Bangert
Sent: 19 January 2011 14:03
To: Time nuts
Subject: [time-nuts] Completely OT: Removing electrolytics of leakingcapacitors 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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