Parallel is better if close but have used approx 2mm
from score as standard with no problems if caps are parallel.
However will point out there are differences in de-panel units,
and at which speed the unit is run is a factor (operator dependant).
No problems at a slower speed through the machine but when trying to get
more through put there are problems on same board.
Bob
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris Ball
Sent: Wednesday, April 18, 2007 7:51 AM
To: [log in to unmask]
Subject: Re: [TN] Panellization query -- need urgent inputs
Depends,,, X7R caps should be way far. We say 7MM in our guidelines but
can't always comply. Orientation is also a factor. Parallel is better
than
perpindicular (to the Vscore. Same caps from different sources can make
a
difference too.
Our general rule is 3.5MM but again, it's not always possible and
doesn't
always cause a problem when closer.
-Chris
pras chop <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
04/18/2007 05:06 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
pras chop <[log in to unmask]>
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Subject
[TN] Panellization query -- need urgent inputs
Hi,
Need help to know as what is the latest DFM guidelines for the
spacing of the components from the V-score.
We are using a V-groove for panellization. So, what should be the
minimum distance of the components from the V-groove so as to avoid
component damage or cracking during the depanilization using pizza
cutter.
Thanks in advance to all for help.
Rgds
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