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Subject:	Re: Bonded heatsinks
From:	Bev Christian <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Mon, 23 Mar 1998 12:33:22 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (49 lines)

Try dealing with a lab that does vibration testing for sudden shock and
transportation.

Bev Christian
Nortel

> ----------
> From:         Ascot[SMTP:[log in to unmask]]
> Sent:         Friday, March 20, 1998 4:24 AM
> To:   [log in to unmask]
> Subject:      [TN] Bonded heatsinks
>
> The question- does anyone have a good repeateatable way to test the
> bond strength of heatsinks?
>
> Background- We are manufacturing an .062 six layer board with an .062
> bonded heatsink on one side. The board is SMOBC, thermal cure matte
> finish mask. Our current method is pressing on the sink and board
> junction  to try to separate them manually. This is the same
> method our customer uses. This is not very repeatable or
> comunicatable. Any ideas out there?
>
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