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April 2006

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Subject:
From:
Vladimir Igoshev <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Vladimir Igoshev <[log in to unmask]>
Date:
Sat, 22 Apr 2006 10:10:53 -0400
Content-Type:
text/plain
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text/plain (118 lines)
When you are saying fluix, I assume you solder it. If that is the case, then it is possible that you see "Gold embrittlement" issue. 
Sent from my Blackberry Wireless 
Vladimir Igoshev, 519-888-7465 ext.5283


----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Sat Apr 22 09:48:46 2006
Subject: Re: [TN] Die Attach

Both Actually. Some die are attached with flux and others with conductive
epoxy.


>From: Vladimir Igoshev <[log in to unmask]>
>Reply-To: TechNet E-Mail Forum <[log in to unmask]>,              Vladimir
>Igoshev <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: [TN] Die Attach
>Date: Sat, 22 Apr 2006 09:00:00 -0400
>
>Hi Scott,
>
>Are soldering or usind conductive epoxy for die attach?
>
>Regards,
>
>Vladimir
>Sent from my Blackberry Wireless
>Vladimir Igoshev, 519-888-7465 ext.5283
>
>
>----- Original Message -----
>From: TechNet <[log in to unmask]>
>To: [log in to unmask] <[log in to unmask]>
>Sent: Sat Apr 22 08:45:06 2006
>Subject: [TN] Die Attach
>
>Got a question for you die attach gurus. We are currently using boards with
>electroless gold finish. We have a supplier that has sent in boards with
>electro-plated gold and we are seeing our die shear's going down. I would
>expect to see some decrease in die shears but we are seeing in some cases
>50% reduction. Any body out there doing both types of gold finishes and if
>so are your parameters and things like flux the same for both?
>
>
>Thanks
>
>
>Scott B. Westheimer
>
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