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February 2010

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Subject:
From:
"Harner, Chester" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Harner, Chester
Date:
Tue, 23 Feb 2010 07:12:56 -0800
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IPC-2222, 9.2.2, Table 9-3.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Roberts, Jon (SA-1)
Sent: Tuesday, February 23, 2010 6:46 AM
To: [log in to unmask]
Subject: [TN] LEAD TO HOLE RATIO QUESTION

I was trying to find in IPC 2200 series where the lead to hole ratio is
discussed.  I remember we would provide to contractor instructors the
requirements. That is going back to the WS5626 days.  Can you direct me
where to find that information.  I am looking for double side-multilayer
boards for meeting Class 3 of IPC J-Std-001. 

Thanks, Jon


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