Steve,

I don't have a hard and fast number, but for new bare boards we like no
etch (track) cuts or repairs.  For production stuffed PTH boards we try
to keep the number of rework cuts and jumpers to a minimum partially for
reliability reasons but also for the labor cost reasons.  Hand rework
can get expensive not to mention the "artwork" some reworks take on
depending on the complexity.  For R&D boards, well... there R&D boards.
Need I say more?

Phil Nutting

-----Original Message-----
From: Stephen Brown [mailto:[log in to unmask]]
Sent: Wednesday, November 21, 2001 3:27 AM
To: [log in to unmask]
Subject: [TN] Raw Card Track Repairs


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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