Hello Technetters,

We have a multilayer board that is exhibiting higher than expected
resistance on an internal layer track.
The track is 0.006" and about 1.5 inches long, yet has a resistance of
approximately 1 ohm. From what we can tell, the track has not been over
etched.
I'm wondering if anyone can shed some light on what could be the cause
of this.
I'm thinking that the layer may have had an excessive 'black oxide'
treatment to promote adhesion. Is this possible?

thanks,

Phil Dutton C.I.D.

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