Hi Harvey,
Thanks for your information. I am referring to
http://www.iconnect007.com/pages/zone.cgi?a=19837
<http://www.iconnect007.com/pages/zone.cgi?a=19837> - Ormecon
Introduces Nano-Thin PCB Surface Finish--Organic Metal Nanofinish.
TechNetters
Is there anyone tried this finish? If so how you rate this against the
other popular finishes like OSP, Immersion Ag,ENIG, Lead free HASL.
I am currently working on Cost reduction surface finishes for
conventional PTH designs with aspect ratio 10 to 12 having BGAs 1mm
pitch & fine pitch .5mm components) ; not compromising quality interms
of shelf life 6-12 months, co-planarity, RoHS, Testability,reworkability
and reliability.
Any help is much appreciated.
Thanks,
Nagaraj.
________________________________
From: harvey [mailto:[log in to unmask]]
Sent: Wednesday, March 17, 2010 10:02 AM
To: TechNet E-Mail Forum; Shanmugam, Nagaraj
Subject: Re: SPAM-LOW: [TN] Organic Metal Nano surface finish
Nagaraj
I believe you are referring to ZettaCore's
Molecular Interface (TM) technology. It is not currently being offered
as an OSP type product, though it would certainly have that capability.
At present MI technology is serving to improve electroless copper
plating in printed circuit boards. By eliminating the need for any
roughening of plastic surfaces to promote copper adhesion, two great
advantages are gained: 1) gHz signal transmission improvement and 2)
finer line/space definition. In IC substrates, under 10 microns has been
attained.
Re your questions re shelf life, etc, HAST tests indicate that it might
be a superior OSP, when and if it is offered for that application.
I refer you to the following for more information:
http://www.pcb007.com/pages/zone.cgi?a=53298&artpg=1&topic=0
There you will find a link to Dr. Werner Kuhr's paper that describes the
technology and HAST tests. Also refer to <www,ZettaCore.com>.
________________________________
From: "Shanmugam, Nagaraj" <[log in to unmask]>
To: [log in to unmask]
Sent: Mon, March 15, 2010 11:12:55 PM
Subject: SPAM-LOW: [TN] Organic Metal Nano surface finish
Dear TechNetters,
I recently got update on new Surface Finish 'Organic Metal Nano surface
finish' a replacement for existing finishes like OSP, Immersion Ag,
ENIG, Lead free HASL.
How this behaves interms of shelf life, Cost, Reliability, Fab &
Assembly, co-planarity, rework...
Any suggestions/reference to documents will be of much help.
TIA,
Nagaraj.
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