Hi Technetters

We have a full rack of rigid polyimide boards with pale, oxidized
surface onto the HASL-solder pads.
How can we remove the oxide layer whithout scrapping the boards?
Is there an economical way to run thru a cleaning machine?
I don't want to heat up the boards to reflow the solder...

Your help will be highly appreciated

Thomas Jacob

Phone:  0041-1-306 24 07 (direct)
Fax:    0041-1-306 36 40
e-mail: [log in to unmask]
Internet: http://www.dyconex.com

DYCONEX LTD.
Unterwerkstrasse 3
CH-8052 Zurich
Switzerland

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