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Tue, 12 Oct 1999 15:05:54 -0500 |
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Jim -
Take a quick look at either IPC-6012 or IPC-2221 for a good graphic
description of test or conformance coupons and their intended functions -
which are multiple.
Regards - Kelly
-----Original Message-----
From: Stephen R. Gregory <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Tuesday, October 12, 1999 1:43 PM
Subject: Re: [TN] What are test coupons?
>In a message dated 10/12/1999 1:03:41 PM Central Daylight Time,
>[log in to unmask] writes:
>
><< Hey Techno's,
>
> I see people talking about test coupons and I'm not sure what this is all
> about. Could someone explain to me what they are, how are they used, and
> what do they do?
>
> Thanks,
>
> Jim West
> Manufacturing Engineer >>
>
>Hi Jim!
>
>They're small sections off the PCB that are supposed to have the
>representative circuitry and holes that are being used on a particular
>assembly so that cross-sections can be done without having to destroy a
good
>board. The test coupon can be put on a skirt, rail, or breakaway of each
>board (if it uses one) it can also be a place to put a comb pattern to do
SIR
>testing without having to send a whole board through a SIR test.
>
>Hope this helps...
>
>-Steve Gregory-
>
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