Al,

   Vertical solder fillet fill is covered under IPC-A-610 sec. 7.5.5.1
PTH vertical fill is affected by solder wave height and internal ground
planes.   I see this all the time.

Victor,

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Al Onderick
Sent: Thursday, May 19, 2005 1:54 PM
To: [log in to unmask]
Subject: [TN] XRAYed through holes ??

Technetters, Any idea what might cause this? The SMT soldered fine, but
the thru holes look like this



http://www.texas-gold.org/PCB/pages/xray/index.htm



-Al Onderick


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