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June 1998

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Subject:
Re: SOLDERBALLS on bareboards
From:
Jeff Seeger <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 5 Jun 1998 13:56:00 -0400
Content-Type:
text/plain
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text/plain (32 lines) 
Erat, Wolfgang wrote:
>
> Hello Techs
> snip <
> Have you seen solderballs from the HASL process ?
> snip <

        (FWIW)

        I have seen solderballs on bare boards when the soldermask
        clearance sizes are too small - the balls were trapped in
        between the edge of the pad and the edge of the mask opening.

        Regards,
--

      Jeff Seeger                         Applied CAD Knowledge Inc
      Chief Technical Officer                  Tyngsboro, MA  01879
      jseeger "at" appliedcad "dot" com                978 649 9800

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