If you do run into Ron buy him too beers and I'll pay for
Steve,
If you do run into Ron buy him too beers and I'll pay for yours and his.
Great dendrite images. I've seen silver dendrites grow off a silver
plated die paddle before but not off a die bond pad.
Regards,
George
George M. Wenger
Andrew Wireless Solutions
Senior Principal FMA / Reliability Engineer
40 Technology Drive, Warren, NJ 07059
(908) 546-4531 [Office] (732) 309-8964 [Cell]
[log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Friday, November 07, 2008 2:51 PM
To: [log in to unmask]
Subject: [TN] DENDRITE GROWTH
Hi Jon!
Got your pictures posted. Go to:
http://stevezeva.homestead.com/files/Dendrites_1.jpg
http://stevezeva.homestead.com/files/Dendrites_2.jpg
http://stevezeva.homestead.com/files/Dendrites_3.jpg
Really nice photos of dendrites, beautiful fern-like structure.
Maybe one day we'll run into each and you can buy me that beer, but only
if I can buy you one too...
Steve
________________________________
From: Roberts, Jon [mailto:[log in to unmask]]
Sent: Friday, November 07, 2008 12:58 PM
To: Steve Gregory
Subject: DENDRITE GROWTH
Steve, I was told you could post my pictures concerning the Dendrite
Growth inside of plastic ICs. I have enclosed the pictures two ways, in
the email body and on a .doc. The information related to this I sent
out to the TechNet group this week. Thanks in advance I was told if I
see you to buy you a beer, Jon
Enclosed is pictures of the dendrites.
Here is what the report stated associated with the pictures.
EDX Spectra #1 is from the thick part of the dendrite on the bond pad
area, and shows a strong peak of silver (Ag) along with smaller peaks of
gold (Au), copper (Cu). EDX Spectra #2 is the dendrite growth on the
Si surface; here the stronger peak is Ag with a trace of Cu. The wire
ball is seen in EDX Spectra #3 and is primarily Au with smaller traces
of Ag.
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