One of our engineers has asked if we can implement via-in-pad on a handful of 0603 pads to facilitate routing of critical lines. We've never done it here before, and I know that it increases both fab and assembly costs. I'm also concerned about the risks involved (trapped solvents, rising via plugs, etc). Has anyone out there used this technology on only a few components with success (and minimal problems)? I'm not sure if we should be doing this on a layout spin that needs to be our production version. Thanks in advance for any feedback.

Alexis Meehan
Opnext Subsystems, Inc.
Desk: 408-385-3040

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