Subject: Re: [PolySix] some defects after battery leak
From: "Chromatest J. Pantsmaker" <chromatest@azburners.org> Date: 2015-05-14
There are two things (well, more than that actually) that the corrosion will do that we need to pay attention to.
First is the broken trace, or lack of continuity. You've checked this with your meter.
Second is the shorted trace, or too much continuity. By this I mean that a trace can have continuity to a trace next to it. That would cause the signals to affect each other. When you check continuity on the traces, it's important to not only check 1-1, 2-2, 3-3 (and so on) but also to check 1-2, 1-3, 2-3 (and so on) You want all of the 1-1, 2-2, 3-3 traces to have continuity, and you ∗DON'T∗ want the 1-2, 1-3, 2-3 traces to have continuity unless they are actually connected via the schematic.