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September 1999

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Subject:
From:
"Zajko, Robert A (PA62)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 28 Sep 1999 05:38:32 -0700
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text/plain
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text/plain (65 lines)
Bellcore specs, the one I use is TR-NWT-00078
Generic Physical Design Requirements for Telecommunications Products and
Equipment

Bellcore
445 South Street, Room 2J125
P.O. Box 1910
Morristown, NJ   07962-1910
(201) 829-4785


-----Original Message-----
From: Franklin [mailto:[log in to unmask]]
Sent: Tuesday, September 28, 1999 7:59 AM
To: [log in to unmask]
Subject: Re: [TN] IPC and Bellcore specs


Jacob,

IPC.ORG has a page to download the IPC-SM-840 specification you're after.

Good luck trying to find the Bellcore Spec. I've searched and searched to no
avail. I finally had the customer send me the specific requirements they
requested us to comply with. In my opinion, if the customer requires a
supplier to meet a certain specification, they should provide that
specification. To date we have not had a customer deny this request.

It's interesting that they would request compliance with both specifications
(IPC ~v~ Bellcore) as there are some distinct differences between the two,
especially for solder mask.

If they give you a choice, choose the IPC specification.

Good luck.

Franklin
-----Original Message-----
From: JACOB MOZEL < [log in to unmask] <mailto:[log in to unmask]> >
To: [log in to unmask] <mailto:[log in to unmask]>  < [log in to unmask]
<mailto:[log in to unmask]> >
Date: Tuesday, September 28, 1999 3:17 AM
Subject: [TN] IPC and Bellcore specs



Deat TechNetters

I was asked to test a solder mask according to the down-listed specs, could
anyone advise where are thse specs

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