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Subject:	Baking flexes prior to hot bar fixing
From:	Eric Christison <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Mon, 16 Apr 2001 10:23:35 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (24 lines)

If I attach a polyimide flex to an MCM using a Z axis adhesive and a hot bar
machine should I bake the flexes prior to fixing?

From memory the hot bar runs up to about 200 deg for 30 s.

If I don't what can I expect to go wrong?

Regards,




Eric Christison

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