http://ipc-technet.groupsite.com/galleries/show/26943

Technetters, after my plea for help a few minutes ago, I immediately found how to post pictures. There are four under the link above, showing what appears to be missing copper plating on the surface of circuit boards.

Anyone have a suggestion on what might be causing this phenomenon? Louis Hart

PS - Please ignore my earlier request for help in posting the pictures.

Many thanks....

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