Earl,
   I too am very much interested in StackUp/LayUp specification.   Could you
please keep me in touch too.   It appears to me that offshore MLB vendors
don't
provide the same level of documentation as state side vendors do.   I often
question the quality of material use, ie.  glass cloth grade.

Victor G. Hernandez
Component/Material Failure Analysis Eng.
PS4-1, Rm. 132
Ofc:     512-725-3471
Pgr:     512-907-0005


-----Original Message-----
From: Earl Moon [mailto:[log in to unmask]]
Sent: Wednesday, July 10, 2002 2:29 PM
To: [log in to unmask]
Subject: Re: [TN] Stackup specification, tolerance, power plane
resonance?


It's way past time to specify exactly what materials you require - as long
as you know what they are. Working concurrently with your fabricator, you
will do the right thing.

I'm about to release my latest DFM/CE check lists. Indicated clearly therein
are detailed requirements for MLB constructions.

I'll provide some samples off line if you wish.

Earl Moon

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