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October 2002

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Subject:
From:
"Tobias.Chang" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 22 Oct 2002 15:36:08 -0400
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can anyone suggest methods for drilling small holes in PCBs to facilitate
temperature profiling (putting thermocouples from under the board to the
surface - under a BGA)

and while i'm at it, can anyone recommend a specific epoxy or adhesive that
can be easily applied to fill up the (small hole), that can handle the high
temperatures, and hold the thermocouple in place?

(i'm told this is the best practice to get accurate temperature profiles for
BGA's - for a rework station, if there are better methods out there i'd be
glad to hear about those too) =)

thanks,

toby

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