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Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 22 Nov 2001 07:54:31 -0000 |
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I think this one depends on which side of the fence you are on.
I personally would prefer not to have any track repairs. If you do decide
to allow repairs then I would get a copy of IPC7721 and decide which of the
many methods in the standard you want your supplier to use. I would also
insist that any repaired boards are segregated from normal production with a
list of the locations of the repairs.
If you make the procedure complex enough your supplier may just decide it's
not worth the bother and scrap them / improve his yield!!
Neil
-----Original Message-----
From: Kathy Bergman [mailto:[log in to unmask]]
Sent: 21 November 2001 17:41
Subject: Re: Raw Card Track Repairs
IPC-6012A describes the characteristic "circuit repairs" as being acceptable
in Class 1, 2,
and 3 only "As agreed by user and supplier." Generally these repairs, if
done properly, are
reliable. See IPC 7721 for methods. It is your call, basically.
K. Bergman
Stephen Brown wrote:
> People.
>
> We get our PCB's assembled to IPC-610 class 2. We have recently been
> approached by our vendor regarding track repairs on our raw cards. Now I
> personally am not keen on allowing this, but is there a standard for raw
> cards similar to 610 which states an allowable quantity of track
> repairs, if any?
>
> Regards.
>
> Steve Brown.
> Commodity Specialist
> Xyratex.
>
>
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