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Subject:	Re: Rework
From:	"d. terstegge" <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Thu, 2 Aug 2001 09:18:18 +0200
Content-Type:	text/plain
Parts/Attachments:	text/plain (40 lines)

Hi Craig,

One rework cycle for a BGA means desoldering, cleaning excessive solder from the BGA-pads, reballing and resoldering, all this in addition to the original soldering cycle.
I don't think there's any manufacturer that will guarantee that their BGA's will survive this.
In practice I've had some good results (meaning: the board still worked) with BGA's that were subjected to all these cycles for 4 or 5 times.

Kind regards,

Daan Terstegge
Unclassified mail
Personal Website: http://www.smtinfo.net 

>>> Craig Hillman <[log in to unmask]> 08/02 12:48 am >>>
Technetters,

Any recommendations on maximum number of rework cycles for a Plastic BGA?

TIA,
Craig

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