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May 2004

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Subject:
Re: Selective Solder Mask Removal via Chemcial Means
From:
Ahne Oosterhof <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Mon, 17 May 2004 17:36:08 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (57 lines) 
Hi Bob,
It is possible to use a laser to selectively remove (ablate) soldermask.  I
have done it many times to save some very expensive circuit boards. But if
you are dealing with inexpensive boards and/or large areas to remove, than
laser ablation may not be economically. Contact me with some of your
details.

Regards,
Ahne Oosterhof,
A-Laser, Inc.,
Beaverton, OR.
503-641-9428


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of bob wettermann
Sent: Monday, May 17, 2004 11:32
To: [log in to unmask]
Subject: [TN] Selective Solder Mask Removal via Chemcial Means


Does anyone have experience in using chemicals to selectively remove solder
mask from a PCB?

Thanks

Bob Wettermann
BEST Inc


Bob Wettermann

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