Hans,

I've been of the understanding the Zone B is confined to areas between
holes/vias/circuits...and not between those characteristics and the
board edge....but hey ~grin~ I was wrong once before...

Franklin


Hinners Hans Civ WRALC/LYPME wrote:
>
> Hi All,
>
> Interesting discussion going on in our Inspection area regarding IPC-A-600F
> Section 3.1.1.
>
> Is the outer edge of the coupon considered Zone B?
>
> I think of Zone B being between the holes and nowhere else but hadn't really
> thought on it until now.  We have a laminate void that (probably)
> contributed to a delamination when the coupon was routed.  The Inspectors
> are gonna pull another coupon tomorrow but I'm interested in what y'all have
> to say.
>
> Here's a pic "lam void.jpg"
>
> <http://www.driveway.com/share?sid=a8f3cb1d.96df8&name=Pictures>
>
> (If this picture is viewable then Friday ought to be another Steve Day!)
> I look forward to everyone's replies over my morning coffee.
>
> Hasta!
>
> Hans
>
> ~~~~~~~~~~~~~~~~~~~
> Hans M. Hinners
> Materials (Process & Manufacturing) Engineer
> Warner Robins Air Logistics Center
> Avionics Production Division
> Manufacturing Branch
> 380 Second Street, Suite 104
> Building: 640, Mail Stop: LYPME
> Robins AFB, GA 31098-1638
> Voice: (912) 926 - 1970 Fax: (912) 926 - 7164
> mailto:[log in to unmask]
> http://www.robins.af.mil
>
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