David,

Thank you for the mediation.

Given the rapid changes occurring in the electronics industry matching coatings to the correct application for a given use environment has become a daunting complex challenge. It's significance can not be over estimated or ignored.

David A. Douthit
Manager
LoCan LLC



David D. Hillman wrote:

>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]
>
>
>
>
>                      Steve Gregory
>                      <[log in to unmask]        To:       [log in to unmask]
>                      M>                       cc:
>                      Sent by: TechNet         Subject:  Re: [TN] acyrlic coating deformed BGA balls
>                      <[log in to unmask]>
>
>
>                      03/23/2004 10:01
>                      PM
>                      Please respond to
>                      "TechNet E-Mail
>                      Forum."; Please
>                      respond to
>                      SteveZeva
>
>
>
>
>
>
>
>Hi Graham,
>
>I must say, I find your comments pretty harsh. David Douthit has many
>publications that are accepted as factual, and he always back-ups
>everything that he
>says with documentation that proves what he says is fact.
>
>If you can show, or lead us to anything that he says is false, please
>provide
>us links, or anything else that would substantiate what you are saying...
>
>Best regards,
>
>-Steve Gregory-
>David
>
>Your comment is grossly misleading.
>
>You cast aspersions on the intelligence of the users
>
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