Steve:

Great question. Show me the data. HP provided a detailed report based on their reliability with 50% filled PTH with 14 leads or more. So all their data was based on at least 14 leads so the committee went with the data. 

Gregg 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Tuesday, September 15, 2015 4:30 PM
To: [log in to unmask]
Subject: [TN] Dumb vertical fill question...

Hi all,

I have a dumb question, why does the IPC-610 have the cut-off at 14-pins for 50% minimum vertical fill? Just curious is all...

Steve

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