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Thu, 10 Jan 2002 08:38:58 +0800 |
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Mel,
I whole-heartedly second your desire to see more SMT applications detailed
in the spec, especially BGA mounting and inspection (with X-ray pictures
and how to interpret them).
Peter
Mel Parrish
<mparrish@SOLDERIN To: [log in to unmask]
GTECH.COM> cc: (bcc: DUNCAN Peter/Asst Prin Engr/ST
Sent by: TechNet Aero/ST Group)
<[log in to unmask]> Subject: Re: [TN] Lead Length/Protrusion
01/10/02 12:05 AM
Please respond to
"TechNet E-Mail
Forum."
Olivia
Amendment 1 to 610C identifies 2.5mm as the correct value. The amendment
was released a couple of months ago and is available on the IPC web site.
By the way, work is in progress toward Revision D to this document. We
have
accumulated a number of comments and would appreciate any additional
information that you would like to see in the new 610. We certainly could
use some additional information on the newer technology applications.
The next technical meeting will be at APEX on 19 Jan.
Mel Parrish
Soldering Technology International
Madison, AL
256 705 5530
256 705 5538 Fax
[log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Olivia Mc Dermott
Sent: Wednesday, January 09, 2002 5:41 AM
To: [log in to unmask]
Subject: [TN] Lead Length/Protrusion
Hi ALl,
Why are there 2 references to lead length/protrusion in IPC-A-610C. In
'Component Installation Location/Orientation' - point 5.2.7.1 table 5.2
lead
protrusion for class 2 is 2.5mm but in 'Soldering' point 6.2 table 6.1 lead
protrusion for class 2 is 2.3mm. Which one do we use?
_________________________________________________________________
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