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April 2001

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Subject:
From:
"Samuel.Ares" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 2 Apr 2001 15:51:00 -0400
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Hey Scott...

We here actually weight the amount of flux deposited. We had a glass window
made to fit our optimizer board. We weight this window before and after it
has gone through the fluxer. Naturally we take the window and optimizer
window out before it reaches the reflow ovens, we also try and do this
collection before the ovens have heated up first thing at the beginning of a
shift. The flux will evaporate quite rapidly and therefore the weighing of
the window must be done as soon as possible after is has exited from the
fluxer. We used a window because we were also looking at flux distribution
on the boards.

Hope this helps...
Samuel Ares
Process Engineering
Leitch Technology Int.
[log in to unmask] <mailto:[log in to unmask]>
(416) 445-9640  x. 3395

        -----Original Message-----
        From:   Rougeux, Scott [SMTP:[log in to unmask]]
        Sent:   Monday, April 02, 2001 3:28 PM
        To:     [log in to unmask]
        Subject:        [TN] Flux Deposition

        Good Afternoon,

        I am wondering what approaches are available for measuring the
amount of
        flux applied to the bottom side of a circuit card using a spray
fluxer...or
        for that matter any type of flux application method.

        Thanks in advance,


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