Hi Dave!

I've put your paper up on my page. Go to: http://www.stevezeva.homestead.com
and look for "DavesPaper.pdf"

-Steve Gregory-

P.S. Be patient after you click on it, it's a 945 KB file...takes a bit to
download.


> Hi Gang! I'll take a swipe at finding the middle ground on this one! Both
> Graham and Dave are correct from each of their perspectives - Graham has a
> multitude of real life use data of AR type conformal coating being used in
> a number of severe use environments successfully and Dave has been involved
> in some of the "uglier" aspects of when AR type conformal coating is an
> incorrect application for a given use environment. Collins published a
> paper on an investigation comparing AR and Paralyene conformal coating
> types with BGA style components. The investigation shows both coating types
> work well and the application method (as other TechNetees have mentioned)
> can be critical in impacting solder joint reliability. Steve - if I send a
> copy of the paper can you put it out on your website?
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>


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