I have done that with /126 and /129.
Dewey

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier
Sent: Thursday, May 25, 2006 5:38 PM
To: [log in to unmask]
Subject: Re: [TN] Rohs Weeeeeee board material

Hi Dewey,
I did not blame Doug, not do I you for that matter.
I know all of that is difficult, and many different approaches are
sugested.
The BIG PROBLEM, of course is that Juli 1 is almost upon us.
People already have problems and the slash sheets are so broad that they
cannot be used for specifying PCBs. Also, once you set the slash sheets,
they are
essentially cast in concrete. So why not take the new slash sheets and
tighten
up the property ranges by spreading each of them over 4 or 5 slash
sheets.
Because of the slash sheet property ranges, I have developed a
multi-client
study that recommends PCB FAB Notes that specify all aspect of PCBs that
impact
survivability of the LF-process and reliability, including the resin
properties.

Werner

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