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March 2002

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Date:
Thu, 14 Mar 2002 15:43:37 -0700
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Polyimide is a complete resin/curing agent system and is a C stage resin
meaning it is full cured.  Polyamides are a curing agents for epoxies.  They
are described on page 61 as  preponderantly amines according to the book
Epoxy Resin by Irving Skeist (1958)

Wrom: YUCDDJBLVLMHAALPTCXLYRWTQTIPWIGYO
To: <[log in to unmask]>
Sent: Wednesday, March 13, 2002 6:29 PM
Subject: Re: [TN] High Rel BGA Guidelines


> Bob,
>
> What's the difference between polyimide and polyamide?
>
> David A. Douthit
> Manager
> LoCan LLC
>
> "Crain, Bob" wrote:
>
> > We may soon be adding BGAs to our approved parts list for some programs.
We
> > use polyamide boards and require electrical test under vibration and
thermal
> > cycling. What are the most important factors to address to maximize our
> > success?
> >
>
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