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May 2006

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Subject:
From:
John Burke <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Burke <[log in to unmask]>
Date:
Mon, 8 May 2006 09:59:25 -0700
Content-Type:
text/plain
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text/plain (48 lines)
Ah,

I believe you are trying to remove mask from the pads?

If you are doing this on enig boards be advised that you will also have to
"finish" them with Entec as you will expose bare copper if that is the case.

John

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Kevin Glidden
Sent: Monday, May 08, 2006 7:09 AM
To: [log in to unmask]
Subject: [TN] Laser Ablation of Soldermask

Hi all,
We have lasers available to us in house, used for other processes, but I am
wanting to use these lasers for laser ablation of solder mask on our PCBs.
I am new to the laser process and operation, but have experienced
technicians to rely upon.  Any general or specific advice in terms of
intensities, speed, or other factors?
Thanks,
Kevin

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