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January 1999

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Subject:
One more thing on Double side reflow
From:
Wade Oberle <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 18 Jan 1999 09:18:25 -0600
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Andrew,
        One more thing, we use the same alloy of solder paste on both
sides of the board.

There has been one board where we had to build heat resistant pallets to
support the boards and keep the heat from side 1 when reflowing side2.
This was due to the fact that we had many large mass components on both
sides of the board.  The pallets worked great but they cost $150 each
and need periodic repair and are an obstruction to high volume
manufacturing.

Wade Oberle
[log in to unmask]

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