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Subject:	Spacing between SMT and breakaway
From:	"James, Ron CAR" <[log in to unmask]>
Reply To:	(Designers Council Forum)
Date:	Mon, 4 Apr 2005 16:43:32 -0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (23 lines)

IPC-7351 discusses V-score and "mouse bite" breakaway
patterns, but I can't find a recommended spacing between
those and SMT parts.  Does this exist in another IPC spec?
Or can anyone provide the benefit of their experiences?

In-house we specify .200" clearance from v-score, but have
nothing formal for the tabs.  The mouse-bite breakaways
are called "low stress", so I am hoping to place the SMT
parts closer than with v-score.

Thanks for any pointers,

Ron James, C.I.D.

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