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Date: | Fri, 5 Sep 2014 11:42:07 -0400 |
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Jim,
Are your fiducials near the edge of the board? It's harder for the
board house to get those flat. Talk to your board house about this.
Sometimes if they are aware of this issue they can improve it but not
necessarily completely fix it.
Jerry
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jim West
Sent: Thursday, September 04, 2014 3:55 PM
To: [log in to unmask]
Subject: [TN] NOT Recognizing Panel Fiducials at paste printer.
Our paste printers are having difficulty recognizing the fiducials on an
older board that has been running for years. The board house is
applying HASL and because of that, as most are aware, the solder
covering the fiducial pad will be inconsistent. I'm told that this has
been an ongoing issue and the problem comes and goes.
We have three printers that are older that do not allow us to adjust the
lighting.
I can't remember if we can have the board house apply HASL on just the
component pads and not the fiducials? Any other suggestions?
Thanks,
Jim
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