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July 1999

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TechNet <[log in to unmask]>
Subject:
FR4 Replacement
From:
"Hollandsworth, Ron" <[log in to unmask]>
Date:
Thu, 8 Jul 1999 10:30:45 -0500
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"TechNet E-Mail Forum." <[log in to unmask]>, "Hollandsworth, Ron" <[log in to unmask]>
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Hello TechNet

I have observed tons of conversation on Lead Free issues and speculation
which is great, however, I have a question concerning the replacement of
board material.  Specifically FR4.  I have heard that there is concern
surrounding the flame retardant used in FR4 and therefore FR4 may have to be
replaced by some other board material.  Polyimide may be an option, but what
will that do to cost.  Is polyimide more expensive?  Are there other
options?

Ron Hollandsworth
Ops Task Leader AME Group
ITT

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