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April 2008

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Subject:
From:
Ted Tontis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Ted Tontis <[log in to unmask]>
Date:
Mon, 14 Apr 2008 08:20:17 -0500
Content-Type:
text/plain
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text/plain (55 lines)
Graham,
	No it will not cause a problem. You could have a class 3 PCB and
specify class 1 for the workmanship, not sure why you would want too but it
is possible. IPC-A-600 is just the acceptability of bare boards, a standard
in which one would use to inspect incoming (if you are a contract
manufacturer) or out going material (if you are a board house).

Ted T 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Graham Collins
Sent: Monday, April 14, 2008 8:02 AM
To: [log in to unmask]
Subject: [TN] PWB spec Class 2 vs assembly spec Class 3

Good day 'Netters
A hypothetical question.
If a PWB is specified to IPC-A-600 class 2, and the assembly is specified to
IPC-A-610 class 3, does this cause any issues for assembly?  We have a new
designer who claims it would cause no problems, I am not familiar with
IPC-A-600 so can't offer a valid opinion.

Thanks!
 
Graham Collins
Halifax Production Engineering
L-3 communications Electronic Systems




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