I concur, although I have done much work with a true 3D High resolution
X-ray system which will give a full model of the features - I used this
in my evaluations of CAF growth to "look" at the filaments.

It ONLY costs $4K for each sample set up and about another $3K to take
the shots----------8-)

Nice one Euro - Parliament, but PLEASE don't complain when your cell
phone fails when you are calling from the Auto Bahn because the
electronics in your eco-friendly car crapped out......... you have
implemented legislation that guarantees quality issues with electronics
in the short term.

John

 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Kane, Amol (349)
Sent: Friday, February 17, 2006 10:31 AM
To: [log in to unmask]
Subject: Re: [TN] Big Holes (no Pun intended) in the IPC610D Criteria
for Shrink/tear holes

Well said Werner....and also for great for PhD students like
me!!!!....as if there were not enough research opportunities due to RoHS
anyways!

Thanks,

Amol Kane
M.S (Industrial Eng.)
Process Engineer
Harvard Custom Manufacturing 
941 Route 38  Owego, NY 13827
Phone: (607) 687-7669 x349
[log in to unmask]

 -----Original Message-----
From:   TechNet [mailto:[log in to unmask]]  On Behalf Of Werner Engelmaier
Sent:   Friday, February 17, 2006 1:28 PM
To:     [log in to unmask]
Subject:        Re: [TN] Big Holes (no Pun intended) in the IPC610D
Criteria for         Shrink/tear holes

Hi Amol,
This is one of the many issues coutesy of the brainless EU-parliament.
The only way to avaluate this shrinkage fissures is to x-section
them--after
you do this, you need to make a judgment [great for consultants!?] of
whether
or not the crack tips provide a stress riser for any operational loading
conditions.



Werner

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