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September 2009

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Subject:
Re: Solder Mask Question
From:
Paul Edwards <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Paul Edwards <[log in to unmask]>
Date:
Thu, 24 Sep 2009 14:12:19 -0700
Content-Type:
text/plain
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text/plain (56 lines) 
Reduce - possible and expensive...
Remove - easier and cheaper...

Paul

Paul Edwards
Surface Art Engineering


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
Sent: Thursday, September 24, 2009 12:54 PM
To: [log in to unmask]
Subject: [TN] Solder Mask Question

Eddie,

   Is cured solder mask re-workable.   I want to reduce the overall
solder mask thickness on some finished assembly to expose the ENIG
plated external pads.   The solder mask appear to be thicker than the
copper features,  Is it practical?

Victor,

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