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| Date: | Thu, 15 Aug 96 07:52:26 CST |
| Content-Type: | text/plain |
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There are two types of bonding mainly. Mechanical and
chemical/metallurgical/Van der Waals/etc. If you can easily pop off
the solder and no AL comes up with it, it means mechanical adhesion is
there. Try polishing the Al. If the solder is difficult to remove
and/or AL comes off with the solder, the second type is in place. You
will have to change the surface chemistry of the Al.
______________________________ Reply Separator _________________________________
Subject: Solder Sticking to Wave Soldering Pallets
Author: [log in to unmask] at internet
Date: 8/15/96 5:52 AM
Yes, we've noticed that to. Why, we're not sure. But we changed the
material on our pallets and use a compressed fiberglass pallets.
But the "frame" around our pallet is made of Al. There we can see solder
sticking pretty hard onto the frame. Strange.
/Jan Merstrand
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