I agree with Guy, incorporating all the fabrication info in 610 would
make it an unwieldy document, so backtracking to 600 for a fabrication
defect found after assembly is perfectly reasonable.

Regards
Ian Fox
Lead Materials and Process Engineer
Aero Engine Controls
A Rolls-Royce plc and Goodrich Corporation Joint Venture
 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey
Sent: 14 December 2009 15:41
To: [log in to unmask]
Subject: Re: [TN] Acceptability of Shredded Board Edge

The section in the 610 that addresses this is edge delamination. Is it
inadequate? 
I would say you can use the 600 spec even after assembly. The assembly
is a populated defect. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson
Sent: Monday, December 14, 2009 10:22 AM
To: [log in to unmask]
Subject: [TN] Acceptability of Shredded Board Edge

Greetings!

We have an assembly where the board edge was ripped badly during
depanelization.

I searched through the Assembly Acceptability IPC-A-610 and didn't find
much, but in the bare board IPC-A-600 section 2.1, I can see plainly
that ours is rejectable.

The question is, can I use the BARE BOARD spec to reject an ASSEMBLY?
Or is there anything in the assembly specs that covers depanelization
damage?

thanks,
Jack

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