I agree with Glynn's analysis and conclusion. It's a pretty good (bad!)
example, too.
Tim Reeves

|-----Original Message-----
|From: Glynn Shaw [mailto:[log in to unmask]]
|Sent: Friday, October 06, 2000 9:53 AM
|Subject: Re: Etched Pits in Traces...
|
|
|This problem has been seen in pcb fabrication for years and
|years, and is
|known under several names, the most common of which is probably
|"mousebites." Unfortunately, I believe assembly also has a
|defect known by
|the same name. Anyway, the defect is not due to resist
|breakdown. Rather,
|during the copper plating process, bubbles attached to the edge of the
|dryfilm, .......................|

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