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September 1999

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Subject:
Re: Brushing after wave
From:
Jon Moore <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 17 Sep 1999 11:23:47 EDT
Content-Type:
text/plain
Parts/Attachments:
text/plain (28 lines) 
In a message dated 9/16/99 9:02:35 AM US Eastern Standard Time,
[log in to unmask] writes:

>  As a
>  hint, if your boards have dry film mask, check the compatibility of the
mask
>  and flux very carefully.

Not only dry film, but LPI as well.  I found that the surface finish of the
mask has quite a large effect on the formation of solder balls.  A matte
finish will have much fewer solder balls than a smother finish.

Jon Moore

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